U.S. patent application number 14/974443 was filed with the patent office on 2017-03-02 for optical image capturing system.
The applicant listed for this patent is ABILITY OPTO-ELECTRONICS TECHNOLOGY CO.LTD.. Invention is credited to YEONG-MING CHANG, YAO-WEI LIU.
Application Number | 20170059819 14/974443 |
Document ID | / |
Family ID | 58103617 |
Filed Date | 2017-03-02 |
United States Patent
Application |
20170059819 |
Kind Code |
A1 |
LIU; YAO-WEI ; et
al. |
March 2, 2017 |
OPTICAL IMAGE CAPTURING SYSTEM
Abstract
A six-piece optical lens for capturing image and a six-piece
optical module for capturing image are provided. In order from an
object side to an image side, the optical lens along the optical
axis includes a first lens with refractive power, a second lens
with refractive power, a third lens with refractive power, a fourth
lens with refractive power, a fifth lens with refractive power and
a sixth lens with refractive power. At least one of the image-side
surface and object-side surface of each of the six lens elements is
aspheric. The optical lens can increase aperture value and improve
the imagining quality for use in compact cameras.
Inventors: |
LIU; YAO-WEI; (TAICHUNG
CITY, TW) ; CHANG; YEONG-MING; (TAICHUNG CITY,
TW) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
ABILITY OPTO-ELECTRONICS TECHNOLOGY CO.LTD. |
TAICHUNG CITY |
|
TW |
|
|
Family ID: |
58103617 |
Appl. No.: |
14/974443 |
Filed: |
December 18, 2015 |
Current U.S.
Class: |
1/1 |
Current CPC
Class: |
G02B 13/06 20130101;
G02B 27/646 20130101 |
International
Class: |
G02B 13/00 20060101
G02B013/00; G02B 27/64 20060101 G02B027/64; G02B 9/62 20060101
G02B009/62; G02B 27/00 20060101 G02B027/00; G02B 5/20 20060101
G02B005/20; G02B 7/04 20060101 G02B007/04 |
Foreign Application Data
Date |
Code |
Application Number |
Aug 27, 2015 |
TW |
104128204 |
Claims
1. An optical image capturing system, from an object side to an
image side, comprising: a first lens element with refractive power;
a second lens element with refractive power; a third lens element
with refractive power; a fourth lens element with refractive power;
a fifth lens element with refractive power; a sixth lens element
with refractive power; and an image plane; wherein the optical
image capturing system consists of the six lens elements with
refractive power, a maximum height for image formation on the image
plane perpendicular to the optical axis in the optical image
capturing system is denoted by HOI, at least one of the first
through sixth lens elements has positive refractive power, focal
lengths of the first through sixth lens elements are f1, f2, f3,
f4, f5 and f6 respectively, a focal length of the optical image
capturing system is f, an entrance pupil diameter of the optical
image capturing system is HEP, a distance on an optical axis from
an object-side surface of the first lens element to the image plane
is HOS, a distance on an optical axis from the object-side surface
of the first lens element to the image-side surface of the sixth
lens element is InTL, a length of outline curve from an axial point
on any surface of any one of the six lens elements to a coordinate
point of vertical height with a distance of a half of the entrance
pupil diameter from the optical axis on the surface along an
outline of the surface is denoted as ARE. The following relations
are satisfied: 1.2.ltoreq.f/HEP.ltoreq.10.0, 0<InTL/HOS<0.9
and 0.9.ltoreq.2(ARE/HEP).ltoreq.1.5.
2. The optical image capturing system of claim 1, wherein TV
distortion for image formation in the optical image capturing
system is TDT, a maximum height for image formation on the image
plane perpendicular to the optical axis in the optical image
capturing system is denoted by HOI, a lateral aberration of the
longest operation wavelength of a visible light of a positive
direction tangential fan of the optical image capturing system
passing through an edge of the entrance pupil and incident on the
image plane by 0.7 HOI is denoted as PLTA, and a lateral aberration
of the shortest operation wavelength of a visible light of the
positive direction tangential fan of the optical image capturing
system passing through the edge of the entrance pupil and incident
on the image plane by 0.7 HOI is denoted as PSTA, a lateral
aberration of the longest operation wavelength of a visible light
of a negative direction tangential fan of the optical image
capturing system passing through the edge of the entrance pupil and
incident on the image plane by 0.7 HOI is denoted as NLTA, a
lateral aberration of the shortest operation wavelength of a
visible light of a negative direction tangential fan of the optical
image capturing system passing through the edge of the entrance
pupil and incident on the image plane by 0.7 HOI is denoted as
NSTA, a lateral aberration of the longest operation wavelength of a
visible light of a sagittal fan of the optical image capturing
system passing through the edge of the entrance pupil and incident
on the image plane by 0.7 HOI is denoted as SLTA, a lateral
aberration of the shortest operation wavelength of a visible light
of the sagittal fan of the optical image capturing system passing
through the edge of the entrance pupil and incident on the image
plane by 0.7 HOI is denoted as SSTA. The following relations are
satisfied: PLTA.ltoreq.100 .mu.m; PSTA.ltoreq.100 .mu.m;
NLTA.ltoreq.100 .mu.m; NSTA.ltoreq.100 .mu.m; SLTA.ltoreq.100
.mu.m; and SSTA.ltoreq.100 .mu.m; |TDT|<250%.
3. The optical image capturing system of claim 1, wherein a maximum
effective half diameter position of any surface of any one of the
six lens elements is denoted as EHD, and a length of outline curve
from an axial point on any surface of any one of the six lens
elements to the maximum effective half diameter position of the
surface along the outline of the surface is denoted as ARS. The
following relation is satisfied: 0.9.ltoreq.ARS/EHD.ltoreq.2.0.
4. The optical image capturing system of claim 1, wherein the
following relation is satisfied: 0 mm<HOS.ltoreq.50 mm.
5. The optical image capturing system of claim 1, wherein a half of
a maximum view angle of the optical image capturing system is HAF,
and the following relation is satisfied: 0 deg<HAF.ltoreq.100
deg.
6. The optical image capturing system of claim 1, wherein a length
of outline curve from an axial point on the object-side surface of
the sixth lens element to a coordinate point of vertical height
with a distance of a half of the entrance pupil diameter from the
optical axis on the surface along an outline of the surface is
denoted as ARE61; a length of outline curve from an axial point on
the image-side surface of the sixth lens element to the coordinate
point of vertical height with the distance of a half of the
entrance pupil diameter from the optical axis on the surface along
the outline of the surface is denoted as ARE62, and a thickness of
the sixth lens element on the optical axis is TP6. The following
relations are satisfied: 0.05.ltoreq.ARE61/TP6.ltoreq.20, and
0.05.ltoreq.ARE62/TP6.ltoreq.20.
7. The optical image capturing system of claim 1, wherein a length
of outline curve from an axial point on the object-side surface of
the fifth lens element to a coordinate point of vertical height
with a distance of a half of the entrance pupil diameter from the
optical axis on the surface along an outline of the surface is
denoted as ARE51; a length of outline curve from an axial point on
the image-side surface of the fifth lens element to the coordinate
point of vertical height with the distance of a half of the
entrance pupil diameter from the optical axis on the surface along
the outline of the surface is denoted as ARE52, and a thickness of
the fifth lens element on the optical axis is TP5. The following
relations are satisfied: 0.05.ltoreq.ARE51/TP5.ltoreq.20; and
0.05.ltoreq.ARE52/TP5.ltoreq.20.
8. The optical image capturing system of claim 1, wherein the first
lens element has a negative refractive power and is made of glass
material.
9. The optical image capturing system of claim 1, further
comprising an aperture stop, a distance from the aperture stop to
the image plane on the optical axis is InS, and the following
relation is satisfied: 0.1.ltoreq.InS/HOS.ltoreq.1.1.
10. An optical image capturing system, from an object side to an
image side, comprising: a first lens element with negative
refractive power; a second lens element with refractive power; a
third lens element with refractive power; a fourth lens element
with refractive power; a fifth lens element with refractive power;
a sixth lens element with refractive power; and an image plane;
wherein the optical image capturing system consists of the six lens
elements with refractive power, a maximum height for image
formation on the image plane perpendicular to the optical axis in
the optical image capturing system is denoted by HOI, at least one
lens element among the first through sixth lens elements is made of
glass material, at least one of the second through sixth lens
elements has positive refractive power, focal lengths of the first
through sixth lens elements are f1, f2, f3, f4, f5 and f6
respectively, a focal length of the optical image capturing system
is f, an entrance pupil diameter of the optical image capturing
system is HEP, a distance on an optical axis from an object-side
surface of the first lens element to the image plane is HOS, a
distance on an optical axis from the object-side surface of the
first lens element to the image-side surface of the sixth lens
element is InTL, a length of outline curve from an axial point on
any surface of any one of the six lens elements to a coordinate
point of vertical height with a distance of a half of the entrance
pupil diameter from the optical axis on the surface along an
outline of the surface is denoted as ARE. The following relations
are satisfied: 1.2.ltoreq.f/HEP.ltoreq.10.0, 0<InTL/HOS<0.9
and 0.9.ltoreq.2(ARE/HEP).ltoreq.1.5.
11. The optical image capturing system of claim 10, wherein a
maximum effective half diameter position of any surface of any one
of the six lens elements is denoted as EHD, and a length of outline
curve from an axial point on any surface of any one of the six lens
elements to the maximum effective half diameter position of the
surface along the outline of the surface is denoted as ARS. The
following relation is satisfied: 0.9.ltoreq.ARS/EHD.ltoreq.2.0.
12. The optical image capturing system of claim 10, wherein at
least two among the first through the sixth lens elements are made
of glass material.
13. The optical image capturing system of claim 10, wherein a
maximum height for image formation on the image plane perpendicular
to the optical axis in the optical image capturing system is
denoted by HOI, a lateral aberration of the longest operation
wavelength of a visible light of a positive direction tangential
fan of the optical image capturing system passing through an edge
of the entrance pupil and incident on the image plane by 0.7 HOI is
denoted as PLTA, and a lateral aberration of the shortest operation
wavelength of a visible light of the positive direction tangential
fan of the optical image capturing system passing through the edge
of the entrance pupil and incident on the image plane by 0.7 HOI is
denoted as PSTA, a lateral aberration of the longest operation
wavelength of a visible light of a negative direction tangential
fan of the optical image capturing system passing through the edge
of the entrance pupil and incident on the image plane by 0.7 HOI is
denoted as NLTA, a lateral aberration of the shortest operation
wavelength of a visible light of a negative direction tangential
fan of the optical image capturing system passing through the edge
of the entrance pupil and incident on the image plane by 0.7 HOI is
denoted as NSTA, a lateral aberration of the longest operation
wavelength of a visible light of a sagittal fan of the optical
image capturing system passing through the edge of the entrance
pupil and incident on the image plane by 0.7 HOI is denoted as
SLTA, a lateral aberration of the shortest operation wavelength of
a visible light of the sagittal fan of the optical image capturing
system passing through the edge of the entrance pupil and incident
on the image plane by 0.7 HOI is denoted as SSTA. The following
relations are satisfied: PLTA.ltoreq.80 .mu.m; PSTA.ltoreq.80
.mu.m; NLTA.ltoreq.80 .mu.m; NSTA.ltoreq.80 .mu.m; SLTA.ltoreq.80
.mu.m; SSTA.ltoreq.80 .mu.m and HOI>1.0 mm.
14. The optical image capturing system of claim 10, wherein at
least one of the first, the second, the third, the fourth, the
fifth and the sixth lens elements is a light filtration element
with a wavelength of less than 500 nm.
15. The optical image capturing system of claim 10, wherein a
distance between the first lens element and the second lens element
on the optical axis is IN 12, and the following relation is
satisfied: 0<IN12/f.ltoreq.60.0.
16. The optical image capturing system of claim 10, wherein a
distance between the fifth lens element and the sixth lens element
on the optical axis is IN56, and the following relation is
satisfied: 0<IN56/f.ltoreq.3.0.
17. The optical image capturing system of claim 10, wherein the
distance from the fifth lens element to the sixth lens element on
the optical axis is IN56, a thickness of the fifth lens element and
a thickness of the sixth lens element on the optical axis
respectively are TP5 and TP6, and the following relation is
satisfied: 0.1.ltoreq.(TP6+IN56)/TP5.ltoreq.15.
18. The optical image capturing system of claim 10, wherein the
distance from the first lens element to the second lens element on
the optical axis is IN12, a thickness of the first lens element and
a thickness of the second lens element on the optical axis
respectively are TP1 and TP2, and the following relation is
satisfied: 0.1.ltoreq.(TP1+IN12)/TP2.ltoreq.10.
19. The optical image capturing system of claim 10, wherein a
distance from the third lens element to the fourth lens element on
the optical axis is IN34, a distance from the fourth lens element
to the fifth lens element on the optical axis is IN45, a thickness
of the fourth lens element is TP4, and the following relation is
satisfied: 0<TP4/(IN34+TP4+IN45)<1.
20. An optical image capturing system, from an object side to an
image side, comprising: a first lens element with negative
refractive power; a second lens element with refractive power; a
third lens element with refractive power; a fourth lens element
with positive refractive power; a fifth lens element with
refractive power; a sixth lens element with refractive power; and
an image plane; wherein the optical image capturing system consists
of the six lens elements with refractive power, a maximum height
for image formation on the image plane perpendicular to the optical
axis in the optical image capturing system is denoted by HOI, any
one lens elements among the first through sixth lens elements is
made of glass, an object-side surface and an image-side surface of
at least one of the six lens elements are aspheric, focal lengths
of the first through sixth lens elements are f1, f2, f3, f4, f5 and
f6 respectively, a focal length of the optical image capturing
system is f, an entrance pupil diameter of the optical image
capturing system is HEP, a half of maximum view angle of the
optical image capturing system is HAF, a distance on an optical
axis from an object-side surface of the first lens element to the
image plane is HOS, a distance on an optical axis from the
object-side surface of the first lens element to the image-side
surface of the sixth lens element is InTL, a length of outline
curve from an axial point on any surface of any one of the six lens
elements to a coordinate point of vertical height with a distance
of a half of the entrance pupil diameter from the optical axis on
the surface along an outline of the surface is denoted as ARE. The
following relations are satisfied: 1.2.ltoreq.f/HEP.ltoreq.10.0;
0.4.ltoreq.| tan(HAF)|.ltoreq.6.0; 0<InTL/HOS<0.9, and
0.9.ltoreq.2(ARE/HEP).ltoreq.1.5.
21. The optical image capturing system of claim 20, wherein a
maximum effective half diameter position of any surface of any one
of the six lens elements is denoted as EHD, and a length of outline
curve from an axial point on any surface of any one of the six lens
elements to the maximum effective half diameter position of the
surface along the outline of the surface is denoted as ARS. The
following relation is satisfied: 0.9.ltoreq.ARS/EHD.ltoreq.2.0.
22. The optical image capturing system of claim 20, wherein the
following relation is satisfied: 0 mm<HOS.ltoreq.50 mm.
23. The optical image capturing system of claim 20, wherein a
length of outline curve from an axial point on the object-side
surface of the sixth lens element to a coordinate point of vertical
height with a distance of a half of the entrance pupil diameter
from the optical axis on the surface along an outline of the
surface is denoted as ARE61; a length of outline curve from an
axial point on the image-side surface of the sixth lens element to
the coordinate point of vertical height with the distance of a half
of the entrance pupil diameter from the optical axis on the surface
along the outline of the surface is denoted as ARE62, and a
thickness of the sixth lens element on the optical axis is TP6. The
following relations are satisfied: 0.05.ltoreq.ARE61/TP6.ltoreq.20
and 0.05.ltoreq.ARE62/TP6.ltoreq.20.
24. The optical image capturing system of claim 20, wherein a
length of outline curve from an axial point on the object-side
surface of the fifth lens element to a coordinate point of vertical
height with a distance of a half of the entrance pupil diameter
from the optical axis on the surface along an outline of the
surface is denoted as ARE51; a length of outline curve from an
axial point on the image-side surface of the fifth lens element to
the coordinate point of vertical height with the distance of a half
of the entrance pupil diameter from the optical axis on the surface
along the outline of the surface is denoted as ARE52, and a
thickness of the fifth lens element on the optical axis is TP5. The
following relations are satisfied: 0.05.ltoreq.ARE51/TP5.ltoreq.20
and 0.05.ltoreq.ARE52/TP5.ltoreq.20.
25. The optical image capturing system of claim 20, wherein the
optical image capturing system further comprise an aperture stop,
an image sensing device and a driving module, the image sensing
device is disposed on the image plane, a distance from the aperture
stop to the image plane is InS, and the driving module couples with
the lens elements to displace the lens elements. The following
relation is satisfied: 0.1.ltoreq.InS/HOS.ltoreq.1.1.
Description
CROSS-REFERENCE TO RELATED APPLICATION
[0001] This application claims the benefit of Taiwan Patent
Application No. 104128204, filed on Aug. 27, 2015, in the Taiwan
Intellectual Property Office, the disclosure of which is
incorporated herein in its entirety by reference.
BACKGROUND OF THE INVENTION
[0002] 1. Field of the Invention
[0003] The present disclosure relates to an optical image capturing
system, and more particularly to a compact optical image capturing
system which can be applied to electronic products.
[0004] 2. Description of the Related Art
[0005] In recent years, with the rise of portable electronic
devices having camera functionalities, the demand for an optical
image capturing system is raised gradually. The image sensing
device of ordinary photographing camera is commonly selected from
charge coupled device (CCD) or complementary metal-oxide
semiconductor sensor (CMOS Sensor). In addition, as advanced
semiconductor manufacturing technology enables the minimization of
pixel size of the image sensing device, the development of the
optical image capturing system directs towards the field of high
pixels. Therefore, the requirement for high imaging quality is
rapidly raised.
[0006] The traditional optical image capturing system of a portable
electronic device comes with different designs, including a
four-lens or a fifth-lens design. However, the requirement for the
higher pixels and the requirement for a large aperture of an end
user, like functionalities of micro filming and night view have
been raised. The optical image capturing system in prior arts
cannot meet the requirement of the higher order camera lens
module.
[0007] Therefore, how to effectively increase quantity of incoming
light of the optical lenses, and further improves imaging quality
for the image formation, becomes a quite important issue.
SUMMARY OF THE INVENTION
[0008] The aspect of embodiment of the present disclosure directs
to an optical image capturing system and an optical image capturing
lens which use combination of refractive powers, convex and concave
surfaces of six-piece optical lenses (the convex or concave surface
in the disclosure denotes the change of geometrical shape of an
object-side surface or an image-side surface of each lens with
different height from an optical axis) to increase the quantity of
incoming light of the optical image capturing system, and to
improve imaging quality for image formation, so as to be applied to
minimized electronic products.
[0009] The term and its definition to the lens element parameter in
the embodiment of the present invention are shown as below for
further reference.
[0010] The Lens Element Parameter Related to a Length or a Height
in the Lens Element
[0011] A maximum height for image formation of the optical image
capturing system is denoted by HOI. A height of the optical image
capturing system is denoted by HOS. A distance from the object-side
surface of the first lens element to the image-side surface of the
sixth lens element is denoted by InTL. A distance from an aperture
stop (aperture) to an image plane is denoted by InS. A distance
from the first lens element to the second lens element is denoted
by In12 (instance). A central thickness of the first lens element
of the optical image capturing system on the optical axis is
denoted by TP1 (instance).
[0012] The Lens Element Parameter Related to a Material in the Lens
Element
[0013] An Abbe number of the first lens element in the optical
image capturing system is denoted by NA1 (instance). A refractive
index of the first lens element is denoted by Nd1 (instance).
[0014] The Lens Element Parameter Related to a View Angle in the
Lens Element
[0015] A view angle is denoted by AF. Half of the view angle is
denoted by HAF. A major light angle is denoted by MRA.
[0016] The Lens Element Parameter Related to Exit/Entrance Pupil in
the Lens Element
[0017] An entrance pupil diameter of the optical image capturing
system is denoted by HEP. An entrance pupil diameter of the optical
image capturing system is denoted by HEP. A maximum effective half
diameter position of any surface of single lens element means the
vertical height between the effective half diameter (EHD) and the
optical axis where the incident light of the maximum view angle of
the system passes through the farthest edge of the entrance pupil
on the EHD of the surface of the lens element. For example, the
maximum effective half diameter position of the object-side surface
of the first lens element is denoted as EHD11. The maximum
effective half diameter position of the image-side of the first
lens element is denoted as EHD12. The maximum effective half
diameter position of the object-side surface of the second lens
element is denoted as EHD21. The maximum half effective half
diameter position of the image-side surface of the second lens
element is denoted as EHD22. The maximum effective half diameter
position of any surfaces of the remaining lens elements of the
optical image capturing system can be referred as mentioned
above.
[0018] The Lens Element Parameter Related to an Arc Length of the
Lens Element Shape and an Outline of Surface
[0019] A length of outline curve of the maximum effective half
diameter position of any surface of a single lens element refers to
a length of outline curve from an axial point on the surface of the
lens element to the maximum effective half diameter position of the
surface along an outline of the surface of the lens element and is
denoted as ARS. For example, the length of outline curve of the
maximum effective half diameter position of the object-side surface
of the first lens element is denoted as ARS11. The length of
outline curve of the maximum effective half diameter position of
the image-side surface of the first lens element is denoted as
ARS12. The length of outline curve of the maximum effective half
diameter position of the object-side surface of the second lens
element is denoted as ARS21. The length of outline curve of the
maximum effective half diameter position of the image-side surface
of the second lens element is denoted as ARS22. The lengths of
outline curve of the maximum effective half diameter position of
any surface of the other lens elements in the optical image
capturing system are denoted in the similar way.
[0020] A length of outline curve of a half of an entrance pupil
diameter (HEP) of any surface of a signal lens element refers to a
length of outline curve of the half of the entrance pupil diameter
(HEP) from an axial point on the surface of the lens element to a
coordinate point of vertical height with a distance of the half of
the entrance pupil diameter from the optical axis on the surface
along the outline of the surface of the lens element and is denoted
as ARE. For example, the length of the outline curve of the half of
the entrance pupil diameter (HEP) of the object-side surface of the
first lens element is denoted as ARE11. The length of the outline
curve of the half of the entrance pupil diameter (HEP) of the
image-side surface of the first lens element is denoted as ARE12.
The length of the outline curve of the half of the entrance pupil
diameter (HEP) of the object-side surface of the second lens
element is denoted as ARE21. The length of the outline curve of the
half of the entrance pupil diameter (HEP) of the image-side surface
of the second lens element is denoted as ARE22. The lengths of
outline curves of the half of the entrance pupil diameters (HEP) of
any surface of the other lens elements in the optical image
capturing system are denoted in the similar way.
[0021] The Lens Element Parameter Related to a Depth of the Lens
Element Shape
[0022] A horizontal distance in parallel with an optical axis from
a maximum effective half diameter position to an axial point on the
object-side surface of the sixth lens element is denoted by InRS61
(a depth of the maximum effective half diameter). A horizontal
distance in parallel with an optical axis from a maximum effective
half diameter position to an axial point on the image-side surface
of the sixth lens element is denoted by InRS62 (the depth of the
maximum effective half diameter). The depths of the maximum
effective half diameters (sinkage values) of object surfaces and
image surfaces of other lens elements are denoted in the similar
way.
[0023] The Lens Element Parameter Related to the Lens Element
Shape
[0024] A critical point C is a tangent point on a surface of a
specific lens element, and the tangent point is tangent to a plane
perpendicular to the optical axis and the tangent point cannot be a
crossover point on the optical axis. To follow the past, a distance
perpendicular to the optical axis between a critical point C51 on
the object-side surface of the fifth lens element and the optical
axis is HVT51 (instance). A distance perpendicular to the optical
axis between a critical point C52 on the image-side surface of the
fifth lens element and the optical axis is HVT52 (instance). A
distance perpendicular to the optical axis between a critical point
C61 on the object-side surface of the sixth lens element and the
optical axis is HVT61 (instance). A distance perpendicular to the
optical axis between a critical point C62 on the image-side surface
of the sixth lens element and the optical axis is HVT62 (instance).
Distances perpendicular to the optical axis between critical points
on the object-side surfaces or the image-side surfaces of other
lens elements and the optical axis are denoted in the similar way
described above.
[0025] The object-side surface of the sixth lens element has one
inflection point IF611 which is nearest to the optical axis, and
the sinkage value of the inflection point IF611 is denoted by
SGI611. SGI611 is a horizontal shift distance in parallel with the
optical axis from an axial point on the object-side surface of the
sixth lens element to the inflection point which is nearest to the
optical axis on the object-side surface of the sixth lens element.
A distance perpendicular to the optical axis between the inflection
point IF611 and the optical axis is HIF611 (instance). The
image-side surface of the sixth lens element has one inflection
point IF621 which is nearest to the optical axis and the sinkage
value of the inflection point IF621 is denoted by SGI621
(instance). SGI621 is a horizontal shift distance in parallel with
the optical axis from an axial point on the image-side surface of
the sixth lens element to the inflection point which is nearest to
the optical axis on the image-side surface of the sixth lens
element. A distance perpendicular to the optical axis between the
inflection point IF621 and the optical axis is HIF621
(instance).
[0026] The object-side surface of the sixth lens element has one
inflection point IF612 which is the second nearest to the optical
axis and the sinkage value of the inflection point IF612 is denoted
by SGI612 (instance). SGI612 is a horizontal shift distance in
parallel with the optical axis from an axial point on the
object-side surface of the sixth lens element to the inflection
point which is the second nearest to the optical axis on the
object-side surface of the sixth lens element. A distance
perpendicular to the optical axis between the inflection point
IF612 and the optical axis is HIF612 (instance). The image-side
surface of the sixth lens element has one inflection point IF622
which is the second nearest to the optical axis and the sinkage
value of the inflection point IF622 is denoted by SGI622
(instance). SGI622 is a horizontal shift distance in parallel with
the optical axis from an axial point on the image-side surface of
the sixth lens element to the inflection point which is the second
nearest to the optical axis on the image-side surface of the sixth
lens element. A distance perpendicular to the optical axis between
the inflection point IF622 and the optical axis is HIF622
(instance).
[0027] The object-side surface of the sixth lens element has one
inflection point IF613 which is the third nearest to the optical
axis and the sinkage value of the inflection point IF613 is denoted
by SGI613 (instance). SGI613 is a horizontal shift distance in
parallel with the optical axis from an axial point on the
object-side surface of the sixth lens element to the inflection
point which is the third nearest to the optical axis on the
object-side surface of the sixth lens element. A distance
perpendicular to the optical axis between the inflection point
IF613 and the optical axis is HIF613 (instance). The image-side
surface of the sixth lens element has one inflection point IF623
which is the third nearest to the optical axis and the sinkage
value of the inflection point IF623 is denoted by SGI623
(instance). SGI623 is a horizontal shift distance in parallel with
the optical axis from an axial point on the image-side surface of
the sixth lens element to the inflection point which is the third
nearest to the optical axis on the image-side surface of the sixth
lens element. A distance perpendicular to the optical axis between
the inflection point IF623 and the optical axis is HIF623
(instance).
[0028] The object-side surface of the sixth lens element has one
inflection point IF614 which is the fourth nearest to the optical
axis and the sinkage value of the inflection point IF614 is denoted
by SGI614 (instance). SGI614 is a horizontal shift distance in
parallel with the optical axis from an axial point on the
object-side surface of the sixth lens element to the inflection
point which is the fourth nearest to the optical axis on the
object-side surface of the sixth lens element. A distance
perpendicular to the optical axis between the inflection point
IF614 and the optical axis is HIF614 (instance). The image-side
surface of the sixth lens element has one inflection point IF624
which is the fourth nearest to the optical axis and the sinkage
value of the inflection point IF624 is denoted by SGI624
(instance). SGI624 is a horizontal shift distance in parallel with
the optical axis from an axial point on the image-side surface of
the sixth lens element to the inflection point which is the fourth
nearest to the optical axis on the image-side surface of the sixth
lens element. A distance perpendicular to the optical axis between
the inflection point IF624 and the optical axis is HIF624
(instance).
[0029] The inflection points on the object-side surfaces or the
image-side surfaces of the other lens elements and the distances
perpendicular to the optical axis thereof or the sinkage values
thereof are denoted in the similar way described above.
[0030] The Lens Element Parameter Related to an Aberration
[0031] Optical distortion for image formation in the optical image
capturing system is denoted by ODT. TV distortion for image
formation in the optical image capturing system is denoted by TDT.
Further, the range of the aberration offset for the view of image
formation may be limited to 50%-100%. An offset of the spherical
aberration is denoted by DFS. An offset of the coma aberration is
denoted by DFC.
[0032] The lateral aberration of the stop is denoted as STA to
assess the function of the specific optical image capturing system.
The tangential fan or sagittal fan may be applied to calculate the
STA of any view fields, and in particular, to calculate the STA of
the max reference wavelength (e.g. 650 nm) and the minima reference
wavelength (e.g. 470 nm) for serve as the standard of the optimal
function. The aforementioned direction of the tangential fan can be
further defined as the positive (overhead-light) and negative
(lower-light) directions. The max operation wavelength, which
passes through the STA, is defined as the image position of the
specific view field, and the distance difference of two positions
of image position of the view field between the max operation
wavelength and the reference primary wavelength (e.g. wavelength of
555 nm), and the minimum operation wavelength, which passes through
the STA, is defined as the image position of the specific view
field, and STA of the max operation wavelength is defined as the
distance between the image position of the specific view field of
max operation wavelength and the image position of the specific
view field of the reference primary wavelength (e.g. wavelength of
555 nm), and STA of the minimum operation wavelength is defined as
the distance between the image position of the specific view field
of the minimum operation wavelength and the image position of the
specific view field of the reference primary wavelength (e.g.
wavelength of 555 nm) are assessed the function of the specific
optical image capturing system to be optimal. Both STA of the max
operation wavelength and STA of the minimum operation wavelength on
the image position of vertical height with a distance from the
optical axis to 70% HOI (i.e. 0.7 HOI), which are smaller than 100
.mu.m, are served as the sample. The numerical, which are smaller
than 80 .mu.m, are also served as the sample.
[0033] A maximum height for image formation on the image plane
perpendicular to the optical axis in the optical image capturing
system is denoted by HOI. A lateral aberration of the longest
operation wavelength of a visible light of a positive direction
tangential fan of the optical image capturing system passing
through an edge of the entrance pupil and incident on the image
plane by 0.7 HOI is denoted as PLTA. A lateral aberration of the
shortest operation wavelength of a visible light of the positive
direction tangential fan of the optical image capturing system
passing through the edge of the entrance pupil and incident on the
image plane by 0.7 HOI is denoted as PSTA. A lateral aberration of
the longest operation wavelength of a visible light of a negative
direction tangential fan of the optical image capturing system
passing through the edge of the entrance pupil and incident on the
image plane by 0.7 HOI is denoted as NLTA. A lateral aberration of
the shortest operation wavelength of a visible light of a negative
direction tangential fan of the optical image capturing system
passing through the edge of the entrance pupil and incident on the
image plane by 0.7 HOI is denoted as NSTA. A lateral aberration of
the longest operation wavelength of a visible light of a sagittal
fan of the optical image capturing system passing through the edge
of the entrance pupil and incident on the image plane by 0.7 HOI is
denoted as SLTA. A lateral aberration of the shortest operation
wavelength of a visible light of the sagittal fan of the optical
image capturing system passing through the edge of the entrance
pupil and incident on the image plane by 0.7 HOI is denoted as
SSTA.
[0034] The disclosure provides an optical image capturing system,
an object-side surface or an image-side surface of the sixth lens
element may have inflection points, such that the angle of
incidence from each view field to the sixth lens element can be
adjusted effectively and the optical distortion and the TV
distortion can be corrected as well. Besides, the surfaces of the
sixth lens element may have a better optical path adjusting ability
to acquire better imaging quality.
[0035] The disclosure provides an optical image capturing system,
in order from an object side to an image side, including a first,
second, third, fourth, fifth, sixth lens elements and an image
plane. The first lens element has refractive power. An object-side
surface and an image-side surface of the sixth lens element are
aspheric. Focal lengths of the first through sixth lens elements
are f1, f2, f3, f4, f5 and f6 respectively. A focal length of the
optical image capturing system is f. An entrance pupil diameter of
the optical image capturing system is HEP. A distance on an optical
axis from an object-side surface of the first lens element to the
image plane is HOS. A distance on the optical axis from the
object-side surface of the first lens element to the image-side
surface of the sixth lens element is InTL. A length of outline
curve from an axial point on any surface of any one of the six lens
elements to a coordinate point of vertical height with a distance
of a half of the entrance pupil diameter from the optical axis on
the surface along an outline of the surface is denoted as ARE. The
following relations are satisfied: 1.2.ltoreq.f/HEP.ltoreq.10.0,
0<InTL/HOS<0.9, and 0.9.ltoreq.2(ARE/HEP).ltoreq.1.5.
[0036] The disclosure provides another optical image capturing
system, in order from an object side to an image side, including a
first, second, third, fourth, fifth, six lens elements and an image
plane. The first lens element has negative refractive power and may
have a convex object-side surface near the optical axis. The second
lens element has refractive power. The third lens element has
refractive power. The fourth lens element has refractive power. The
fifth lens element has refractive power. The sixth lens element has
refractive power and an object-side surface and an image-side
surface of the sixth lens element are aspheric. A maximum height
for image formation on the image plane perpendicular to the optical
axis in the optical image capturing system is denoted by HOI, and
at least one lens element among the first through sixth lens
elements is made of glass material, and at least one of the second
through sixth lens elements has positive refractive power. Focal
lengths of the first through sixth lens elements are f1, f2, f3,
f4, f5 and f6 respectively. A focal length of the optical image
capturing system is f. An entrance pupil diameter of the optical
image capturing system is HEP. A distance on an optical axis from
an object-side surface of the first lens element to the image plane
is HOS. A distance on the optical axis from the object-side surface
of the first lens element to the image-side surface of the sixth
lens element is InTL. A length of outline curve from an axial point
on any surface of any one of the six lens elements to a coordinate
point of vertical height with a distance of a half of the entrance
pupil diameter from the optical axis on the surface along an
outline of the surface is denoted as ARE. The following relations
are satisfied: 1.2.ltoreq.f/HEP.ltoreq.10.0, 0<InTL/HOS<0.9,
and 0.9.ltoreq.2(ARE/HEP).ltoreq.1.5.
[0037] The disclosure provides another optical image capturing
system, in order from an object side to an image side, including a
first, second, third, fourth, fifth, sixth lens elements and an
image plane. Wherein, the optical image capturing system consists
of the six lens elements with refractive power. A maximum height
for image formation on the image plane perpendicular to the optical
axis in the optical image capturing system is denoted by HOI, at
least two lens elements among the first through the sixth lens
elements are made of glass material, and an object-side surface and
an image-side surface of at least one lens element of the six lens
elements are aspheric, and at least one lens element among the
first through sixth lens elements respectively has at least one
inflection point on at least one surface thereof. The first lens
element has negative refractive power. The second lens element has
refractive power. The third lens element has refractive power. The
fourth lens element has refractive power. The fifth lens element
has positive refractive power. The sixth lens element has
refractive power. Focal lengths of the first through sixth lens
elements are f1, f2, f3, f4, f5 and f6 respectively. A focal length
of the optical image capturing system is f. An entrance pupil
diameter of the optical image capturing system is HEP. A distance
on an optical axis from an object-side surface of the first lens
element to the image plane is HOS. A distance on the optical axis
from the object-side surface of the first lens element to the
image-side surface of the sixth lens element is InTL. A length of
outline curve from an axial point on any surface of any one of the
six lens elements to a coordinate point of vertical height with a
distance of a half of the entrance pupil diameter from the optical
axis on the surface along an outline of the surface is denoted as
ARE. The following relations are satisfied: 1.2.ltoreq.f/HEP 3.5,
0<InTL/HOS<0.9, and 0.9.ltoreq.2(ARE/HEP).ltoreq.1.5.
[0038] The length of the outline curve of any surface of a signal
lens element in the maximum effective half diameter position
affects the functions of the surface aberration correction and the
optical path difference in each view field. The longer outline
curve may lead to a better function of aberration correction, but
the difficulty of the production may become inevitable. Hence, the
length of the outline curve of the maximum effective half diameter
position of any surface of a signal lens element (ARS) has to be
controlled, and especially, the ratio relations (ARS/TP) between
the length of the outline curve of the maximum effective half
diameter position of the surface (ARS) and the thickness of the
lens element to which the surface belongs on the optical axis (TP)
has to be controlled. For example, the length of the outline curve
of the maximum effective half diameter position of the object-side
surface of the first lens element is denoted as ARS11, and the
thickness of the first lens element on the optical axis is TP1, and
the ratio between both of them is ARS11/TP1. The length of the
outline curve of the maximum effective half diameter position of
the image-side surface of the first lens element is denoted as
ARS12, and the ratio between ARS12 and TP1 is ARS12/TP1. The length
of the outline curve of the maximum effective half diameter
position of the object-side surface of the second lens element is
denoted as ARS21, and the thickness of the second lens element on
the optical axis is TP2, and the ratio between both of them is
ARS21/TP2. The length of the outline curve of the maximum effective
half diameter position of the image-side surface of the second lens
element is denoted as ARS22, and the ratio between ARS22 and TP2 is
ARS22/TP2. The ratio relations between the lengths of the outline
curve of the maximum effective half diameter position of any
surface of the other lens elements and the thicknesses of the lens
elements to which the surfaces belong on the optical axis (TP) are
denoted in the similar way.
[0039] The length of outline curve of half of an entrance pupil
diameter of any surface of a single lens element especially affects
the functions of the surface aberration correction and the optical
path difference in each shared view field. The longer outline curve
may lead to a better function of aberration correction, but the
difficulty of the production may become inevitable. Hence, the
length of outline curve of half of an entrance pupil diameter of
any surface of a single lens element has to be controlled, and
especially, the ratio relationship between the length of outline
curve of half of an entrance pupil diameter of any surface of a
single lens element and the thickness on the optical axis has to be
controlled. For example, the length of outline curve of the half of
the entrance pupil diameter of the object-side surface of the first
lens element is denoted as ARE11, and the thickness of the first
lens element on the optical axis is TP1, and the ratio thereof is
ARE11/TP1. The length of outline curve of the half of the entrance
pupil diameter of the image-side surface of the first lens element
is denoted as ARE12, and the thickness of the first lens element on
the optical axis is TP1, and the ratio thereof is ARE12/TP1. The
length of outline curve of the half of the entrance pupil diameter
of the object-side surface of the first lens element is denoted as
ARE21, and the thickness of the second lens element on the optical
axis is TP2, and the ratio thereof is ARE21/TP2. The length of
outline curve of the half of the entrance pupil diameter of the
image-side surface of the second lens element is denoted as ARE22,
and the thickness of the second lens element on the optical axis is
TP2, and the ratio thereof is ARE22/TP2. The ratio relationship of
the remaining lens elements of the optical image capturing system
can be referred as mentioned above.
[0040] The height of optical system (HOS) may be reduced to achieve
the minimization of the optical image capturing system when the
absolute value of f1 is larger than f6 (|f1|>f6).
[0041] When |f2|+|f3|+|f4|+|f5| and |f1|+|f6| are satisfied with
above relations, at least one of the second through fifth lens
elements may have weak positive refractive power or weak negative
refractive power. The weak refractive power indicates that an
absolute value of the focal length of a specific lens element is
greater than 10. When at least one of the second through fifth lens
elements has the weak positive refractive power, the positive
refractive power of the first lens element can be shared, such that
the unnecessary aberration will not appear too early. On the
contrary, when at least one of the second through fifth lens
elements has the weak negative refractive power, the aberration of
the optical image capturing system can be corrected and fine
tuned.
[0042] The sixth lens element may have negative refractive power
and a concave image-side surface. Hereby, the back focal length is
reduced for keeping the miniaturization, to miniaturize the lens
element effectively. In addition, at least one of the object-side
surface and the image-side surface of the sixth lens element may
have at least one inflection point, such that the angle of incident
with incoming light from an off-axis view field can be suppressed
effectively and the aberration in the off-axis view field can be
corrected further.
BRIEF DESCRIPTION OF THE DRAWINGS
[0043] The detailed structure, operating principle and effects of
the present disclosure will now be described in more details
hereinafter with reference to the accompanying drawings that show
various embodiments of the present disclosure as follows.
[0044] FIG. 1A is a schematic view of the optical image capturing
system according to the first embodiment of the present
application.
[0045] FIG. 1B is longitudinal spherical aberration curves,
astigmatic field curves, and an optical distortion grid of the
optical image capturing system in the order from left to right
according to the first embodiment of the present application.
[0046] FIG. 1C is a lateral aberration diagram of tangential fan,
sagittal fan, the longest operation wavelength and the shortest
operation wavelength passing through an edge of the entrance pupil
and incident on the image plane by 0.7 HOI according to the first
embodiment of the present application.
[0047] FIG. 2A is a schematic view of the optical image capturing
system according to the second embodiment of the present
application.
[0048] FIG. 2B is longitudinal spherical aberration curves,
astigmatic field curves, and an optical distortion grid of the
optical image capturing system in the order from left to right
according to the second embodiment of the present application.
[0049] FIG. 2C is a lateral aberration diagram of tangential fan,
sagittal fan, the longest operation wavelength and the shortest
operation wavelength passing through an edge of the entrance pupil
and incident on the image plane by 0.7 HOI according to the second
embodiment of the present application.
[0050] FIG. 3A is a schematic view of the optical image capturing
system according to the third embodiment of the present
application.
[0051] FIG. 3B is longitudinal spherical aberration curves,
astigmatic field curves, and an optical distortion grid of the
optical image capturing system in the order from left to right
according to the third embodiment of the present application.
[0052] FIG. 3C is a lateral aberration diagram of tangential fan,
sagittal fan, the longest operation wavelength and the shortest
operation wavelength passing through an edge of the entrance pupil
and incident on the image plane by 0.7 HOI according to the third
embodiment of the present application.
[0053] FIG. 4A is a schematic view of the optical image capturing
system according to the fourth embodiment of the present
application.
[0054] FIG. 4B is longitudinal spherical aberration curves,
astigmatic field curves, and an optical distortion grid of the
optical image capturing system in the order from left to right
according to the fourth embodiment of the present application.
[0055] FIG. 4C is a lateral aberration diagram of tangential fan,
sagittal fan, the longest operation wavelength and the shortest
operation wavelength passing through an edge of the entrance pupil
and incident on the image plane by 0.7 HOI according to the fourth
embodiment of the present application.
[0056] FIG. 5A is a schematic view of the optical image capturing
system according to the fifth embodiment of the present
application.
[0057] FIG. 5B is longitudinal spherical aberration curves,
astigmatic field curves, and an optical distortion grid of the
optical image capturing system in the order from left to right
according to the fifth embodiment of the present application.
[0058] FIG. 5C is a lateral aberration diagram of tangential fan,
sagittal fan, the longest operation wavelength and the shortest
operation wavelength passing through an edge of the entrance pupil
and incident on the image plane by 0.7 HOI according to the fifth
embodiment of the present application.
[0059] FIG. 6A is a schematic view of the optical image capturing
system according to the sixth embodiment of the present
application.
[0060] FIG. 6B is longitudinal spherical aberration curves,
astigmatic field curves, and an optical distortion grid of the
optical image capturing system in the order from left to right
according to the sixth embodiment of the present application.
[0061] FIG. 6C is a lateral aberration diagram of tangential fan,
sagittal fan, the longest operation wavelength and the shortest
operation wavelength passing through an edge of the entrance pupil
and incident on the image plane by 0.7 HOI according to the sixth
embodiment of the present application.
[0062] FIG. 7A is a schematic view of the optical image capturing
system according to the seventh embodiment of the present
application.
[0063] FIG. 7B is longitudinal spherical aberration curves,
astigmatic field curves, and an optical distortion grid of the
optical image capturing system in the order from left to right
according to the seventh embodiment of the present application.
[0064] FIG. 7C is a lateral aberration diagram of tangential fan,
sagittal fan, the longest operation wavelength and the shortest
operation wavelength passing through an edge of the entrance pupil
and incident on the image plane by 0.7 HOI according to the seventh
embodiment of the present application.
[0065] FIG. 8A is a schematic view of the optical image capturing
system according to the eighth embodiment of the present
application.
[0066] FIG. 8B is longitudinal spherical aberration curves,
astigmatic field curves, and an optical distortion grid of the
optical image capturing system in the order from left to right
according to the eighth embodiment of the present application.
[0067] FIG. 8C is a lateral aberration diagram of tangential fan,
sagittal fan, the longest operation wavelength and the shortest
operation wavelength passing through an edge of the entrance pupil
and incident on the image plane by 0.7 HOI according to the eighth
embodiment of the present application.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0068] Reference will now be made in detail to the exemplary
embodiments of the present disclosure, examples of which are
illustrated in the accompanying drawings. Therefore, it is to be
understood that the foregoing is illustrative of exemplary
embodiments and is not to be construed as limited to the specific
embodiments disclosed, and that modifications to the disclosed
exemplary embodiments, as well as other exemplary embodiments, are
intended to be included within the scope of the appended claims.
These embodiments are provided so that this disclosure will be
thorough and complete, and will fully convey the inventive concept
to those skilled in the art. The relative proportions and ratios of
elements in the drawings may be exaggerated or diminished in size
for the sake of clarity and convenience in the drawings, and such
arbitrary proportions are only illustrative and not limiting in any
way. The same reference numbers are used in the drawings and the
description to refer to the same or like parts.
[0069] It will be understood that, although the terms `first`,
`second`, `third`, etc., may be used herein to describe various
elements, these elements should not be limited by these terms. The
terms are used only for the purpose of distinguishing one component
from another component. Thus, a first element discussed below could
be termed a second element without departing from the teachings of
embodiments. As used herein, the term "or" includes any and all
combinations of one or more of the associated listed items.
[0070] An optical image capturing system, in order from an object
side to an image side, includes a first, second, third, fourth,
fifth and sixth lens elements with refractive power and an image
plane. The optical image capturing system may further include an
image sensing device which is disposed on an image plane.
[0071] The optical image capturing system may use three sets of
wavelengths which are 486.1 nm, 587.5 nm and 656.2 nm,
respectively, wherein 587.5 nm is served as the primary reference
wavelength and a reference wavelength for retrieving technical
features. The optical image capturing system may also use five sets
of wavelengths which are 470 nm, 510 nm, 555 nm, 610 nm and 650 nm,
respectively, wherein 555 nm is served as the primary reference
wavelength and a reference wavelength for retrieving technical
features.
[0072] A ratio of the focal length f of the optical image capturing
system to a focal length fp of each of lens elements with positive
refractive power is PPR. A ratio of the focal length f of the
optical image capturing system to a focal length fn of each of lens
elements with negative refractive power is NPR. A sum of the PPR of
all lens elements with positive refractive power is .SIGMA.PPR. A
sum of the NPR of all lens elements with negative refractive powers
is .SIGMA.NPR. It is beneficial to control the total refractive
power and the total length of the optical image capturing system
when following conditions are satisfied:
0.5.ltoreq..SIGMA.PPR/|.SIGMA.NPR|.ltoreq.15. Preferably, the
following relation may be satisfied:
1.ltoreq..SIGMA.PPR/|.SIGMA.NPR|.ltoreq.3.0.
[0073] The optical image capturing system may further include an
image sensing device which is disposed on an image plane. Half of a
diagonal of an effective detection field of the image sensing
device (imaging height or the maximum image height of the optical
image capturing system) is HOI. A distance on the optical axis from
the object-side surface of the first lens element to the image
plane is HOS. The following relations are satisfied:
HOS/HOI.ltoreq.50 and 0.5.ltoreq.HOS/f.ltoreq.150. Preferably, the
following relations may be satisfied: 1.ltoreq.HOS/HOI.ltoreq.40
and 1.ltoreq.HOS/f.ltoreq.140. Hereby, the miniaturization of the
optical image capturing system can be maintained effectively, so as
to be carried by lightweight portable electronic devices.
[0074] In addition, in the optical image capturing system of the
disclosure, according to different requirements, at least one
aperture stop may be arranged for reducing stray light and
improving the imaging quality.
[0075] In the optical image capturing system of the disclosure, the
aperture stop may be a front or middle aperture. The front aperture
is the aperture stop between a photographed object and the first
lens element. The middle aperture is the aperture stop between the
first lens element and the image plane. If the aperture stop is the
front aperture, a longer distance between the exit pupil and the
image plane of the optical image capturing system can be formed,
such that more optical elements can be disposed in the optical
image capturing system and the efficiency of receiving images of
the image sensing device can be raised. If the aperture stop is the
middle aperture, the view angle of the optical image capturing
system can be expended, such that the optical image capturing
system has the same advantage that is owned by wide angle cameras.
A distance from the aperture stop to the image plane is InS. The
following relation is satisfied: 0.1.ltoreq.InS/HOS.ltoreq.1.1.
Hereby, the miniaturization of the optical image capturing system
can be maintained while the feature of the wild-angle lens element
can be achieved.
[0076] In the optical image capturing system of the disclosure, a
distance from the object-side surface of the first lens element to
the image-side surface of the sixth lens element is InTL. A total
central thickness of all lens elements with refractive power on the
optical axis is .SIGMA.TP. The following relation is satisfied:
0.1.ltoreq..SIGMA.TP/InTL.ltoreq.0.9. Hereby, contrast ratio for
the image formation in the optical image capturing system and
defect-free rate for manufacturing the lens element can be given
consideration simultaneously, and a proper back focal length is
provided to dispose other optical components in the optical image
capturing system.
[0077] A curvature radius of the object-side surface of the first
lens element is R1. A curvature radius of the image-side surface of
the first lens element is R2. The following relation is satisfied:
0.001.ltoreq.|R1/R2|.ltoreq.25. Hereby, the first lens element may
have proper strength of the positive refractive power, so as to
avoid the longitudinal spherical aberration to increase too fast.
Preferably, the following relation may be satisfied:
0.01.ltoreq.|R1/R2|<12.
[0078] A curvature radius of the object-side surface of the sixth
lens element is R11. A curvature radius of the image-side surface
of the sixth lens element is R12. The following relation is
satisfied: -7<(R11-R12)/(R11+R12)<50. Hereby, the astigmatism
generated by the optical image capturing system can be corrected
beneficially.
[0079] A distance between the first lens element and the second
lens element on the optical axis is IN12. The following relation is
satisfied: IN12/f.ltoreq.60. Hereby, the chromatic aberration of
the lens elements can be improved, such that the performance can be
increased.
[0080] A distance between the fifth lens element and the sixth lens
element on the optical axis is IN56. The following relation is
satisfied: IN56/f.ltoreq.3.0. Hereby, the function of the lens
elements can be improved.
[0081] Central thicknesses of the first lens element and the second
lens element on the optical axis are TP1 and TP2, respectively. The
following relation is satisfied:
0.1.ltoreq.(TP1+IN12)/TP2.ltoreq.10. Hereby, the sensitivity
produced by the optical image capturing system can be controlled,
and the performance can be increased.
[0082] Central thicknesses of the fifth lens element and the sixth
lens element on the optical axis are TP5 and TP6, respectively, and
a distance between the aforementioned two lens elements on the
optical axis is IN56. The following relation is satisfied:
0.1.ltoreq.(TP6+IN56)/TP5.ltoreq.15 Hereby, the sensitivity
produced by the optical image capturing system can be controlled
and the total height of the optical image capturing system can be
reduced.
[0083] Central thicknesses of the second lens element, the third
lens element and the fourth lens element on the optical axis are
TP2, TP3 and TP4, respectively. A distance between the second and
the third lens elements on the optical axis is IN23, and a distance
between the third and the fourth lens elements on the optical axis
is IN45. A distance between an object-side surface of the first
lens element and an image-side surface of sixth lens element is
InTL. The following relation is satisfied:
0.1.ltoreq.TP4/(IN34+TP4+IN45)<1. Hereby, the aberration
generated by the process of moving the incident light can be
adjusted slightly layer upon layer, and the total height of the
optical image capturing system can be reduced.
[0084] In the optical image capturing system of the first
embodiment, a distance perpendicular to the optical axis between a
critical point C61 on an object-side surface of the sixth lens
element and the optical axis is HVT61. A distance perpendicular to
the optical axis between a critical point C62 on an image-side
surface of the sixth lens element and the optical axis is HVT62. A
distance in parallel with the optical axis from an axial point on
the object-side surface of the sixth lens element to the critical
point C61 is SGC61. A distance in parallel with the optical axis
from an axial point on the image-side surface of the sixth lens
element to the critical point C62 is SGC62. The following relations
may be satisfied: 0 mm.ltoreq.HVT61.ltoreq.3 mm, 0
mm<HVT62.ltoreq.6 mm, 0.ltoreq.HVT61/HVT62, 0
mm.ltoreq.|SGC61|.ltoreq.0.5 mm: 0 mm<|SGC62|.ltoreq.2 mm, and
0<|SGC62|/(|SGC62|+TP6).ltoreq.0.9. Hereby, the aberration of
the off-axis view field can be corrected effectively.
[0085] The following relation is satisfied for the optical image
capturing system of the disclosure:
0.2.ltoreq.HVT62/HOI.ltoreq.0.9. Preferably, the following relation
may be satisfied: 0.3.ltoreq.HVT62/HOI.ltoreq.0.8. Hereby, the
aberration of surrounding view field for the optical image
capturing system can be corrected beneficially.
[0086] The following relation is satisfied for the optical image
capturing system of the disclosure: 0.ltoreq.HVT62/HOS.ltoreq.0.5.
Preferably, the following relation may be satisfied:
0.2.ltoreq.HVT62/HOS.ltoreq.0.45. Hereby, the aberration of
surrounding view field for the optical image capturing system can
be corrected beneficially.
[0087] In the optical image capturing system of the disclosure, a
distance in parallel with an optical axis from an inflection point
on the object-side surface of the sixth lens element which is
nearest to the optical axis to an axial point on the object-side
surface of the sixth lens element is denoted by SGI611. A distance
in parallel with an optical axis from an inflection point on the
image-side surface of the sixth lens element which is nearest to
the optical axis to an axial point on the image-side surface of the
sixth lens element is denoted by SGI621. The following relations
are satisfied: 0< SGI611/(SGI611+TP6).ltoreq.0.9 and 0<
SGI621/(SGI621+TP6).ltoreq.0.9. Preferably, the following relations
may be satisfied: 0.1.ltoreq.SGI611/(SGI611+TP6).ltoreq.0.6 and
0.1.ltoreq.SGI621/(SGI621+TP6).ltoreq.0.6.
[0088] A distance in parallel with the optical axis from the
inflection point on the object-side surface of the sixth lens
element which is the second nearest to the optical axis to an axial
point on the object-side surface of the sixth lens element is
denoted by SGI612. A distance in parallel with an optical axis from
an inflection point on the image-side surface of the sixth lens
element which is the second nearest to the optical axis to an axial
point on the image-side surface of the sixth lens element is
denoted by SGI622. The following relations are satisfied:
0<SGI612/(SGI612+TP6).ltoreq.0.9 and
0<SGI622/(SGI622+TP6).ltoreq.0.9. Preferably, the following
relations may be satisfied:
0.1.ltoreq.SGI612/(SGI612+TP6).ltoreq.0.6 and
0.1.ltoreq.SGI622/(SGI622+TP6).ltoreq.0.6.
[0089] A distance perpendicular to the optical axis between the
inflection point on the object-side surface of the sixth lens
element which is the nearest to the optical axis and the optical
axis is denoted by HIF611. A distance perpendicular to the optical
axis between an axial point on the image-side surface of the sixth
lens element and an inflection point on the image-side surface of
the sixth lens element which is the nearest to the optical axis is
denoted by HIF621. The following relations are satisfied: 0.001
mm.ltoreq.|HIF611|.ltoreq.5 mm and 0.001
mm.ltoreq.|HIF621|.ltoreq.5 mm. Preferably, the following relations
may be satisfied: 0.1 mm.ltoreq.|HIF611|.ltoreq.3.5 mm and 1.5
mm.ltoreq.|HIF621|.ltoreq.3.5 mm.
[0090] A distance perpendicular to the optical axis between the
inflection point on the object-side surface of the sixth lens
element which is the second nearest to the optical axis and the
optical axis is denoted by HIF612. A distance perpendicular to the
optical axis between an axial point on the image-side surface of
the sixth lens element and an inflection point on the image-side
surface of the sixth lens element which is the second nearest to
the optical axis is denoted by HIF622. The following relations are
satisfied: 0.001 mm.ltoreq.|HIF612|.ltoreq.5 mm and 0.001
mm.ltoreq.|HIF622|.ltoreq.5 mm. Preferably, the following relations
may be satisfied: 0.1 mm.ltoreq.|HIF622|.ltoreq.3.5 mm and 0.1
mm.ltoreq.|HIF612|.ltoreq.3.5 mm.
[0091] A distance perpendicular to the optical axis between the
inflection point on the object-side surface of the sixth lens
element which is the third nearest to the optical axis and the
optical axis is denoted by HIF613. A distance perpendicular to the
optical axis between an axial point on the image-side surface of
the sixth lens element and an inflection point on the image-side
surface of the sixth lens element which is the third nearest to the
optical axis is denoted by HIF623. The following relations are
satisfied: 0.001 mm.ltoreq.|HIF613|.ltoreq.5 mm and 0.001
mm.ltoreq.|HIF623|.ltoreq.5 mm. Preferably, the following relations
may be satisfied: 0.1 mm.ltoreq.|HIF623|.ltoreq.3.5 mm and 0.1
mm.ltoreq.|HIF613|.ltoreq.3.5 mm.
[0092] A distance perpendicular to the optical axis between the
inflection point on the object-side surface of the sixth lens
element which is the fourth nearest to the optical axis and the
optical axis is denoted by HIF614. A distance perpendicular to the
optical axis between an axial point on the image-side surface of
the sixth lens element and an inflection point on the image-side
surface of the sixth lens element which is the fourth nearest to
the optical axis is denoted by HIF624. The following relations are
satisfied: 0.001 mm.ltoreq.|HIF614|.ltoreq.5 mm and 0.001
mm.ltoreq.|HIF624|.ltoreq.5 mm. Preferably, the following relations
may be satisfied: 0.1 mm.ltoreq.|HIF624|.ltoreq.3.5 mm and 0.1
mm.ltoreq.|HIF614|.ltoreq.3.5 mm.
[0093] In one embodiment of the optical image capturing system of
the present disclosure, the chromatic aberration of the optical
image capturing system can be corrected by alternatively arranging
the lens elements with large Abbe number and small Abbe number.
[0094] The above Aspheric formula is:
z=ch.sup.2/[1+[1-(k+1)c.sup.2h.sup.2].sup.0.5]+A4h.sup.4+A6h+A8h.sup.8+A-
10h.sup.10+A12h.sup.2+A14h.sup.4+A16h.sup.16+A18h.sup.18+A20h.sup.20+
. . . (1),
where z is a position value of the position along the optical axis
and at the height h which reference to the surface apex; k is the
conic coefficient, c is the reciprocal of curvature radius, and A4,
A6, A8, A10, A12, A14, A16, A18, and A20 are high order aspheric
coefficients.
[0095] The optical image capturing system provided by the
disclosure, the lens elements may be made of glass or plastic
material. If plastic material is adopted to produce the lens
elements, the cost of manufacturing will be lowered effectively. If
lens elements are made of glass, the heat effect can be controlled
and the designed space arranged for the refractive power of the
optical image capturing system can be increased. Besides, the
object-side surface and the image-side surface of the first through
sixth lens elements may be aspheric, so as to obtain more control
variables. Comparing with the usage of traditional lens element
made by glass, the number of lens elements used can be reduced and
the aberration can be eliminated. Thus, the total height of the
optical image capturing system can be reduced effectively.
[0096] In addition, in the optical image capturing system provided
by the disclosure, if the lens element has a convex surface, the
surface of the lens element adjacent to the optical axis is convex
in principle. If the lens element has a concave surface, the
surface of the lens element adjacent to the optical axis is concave
in principle.
[0097] The optical image capturing system of the disclosure can be
adapted to the optical image capturing system with automatic focus
if required. With the features of a good aberration correction and
a high quality of image formation, the optical image capturing
system can be used in various application fields.
[0098] The optical image capturing system of the disclosure can
include a driving module according to the actual requirements. The
driving module may be coupled with the lens elements to enable the
lens elements producing displacement. The driving module may be the
voice coil motor (VCM) which is applied to move the lens to focus,
or may be the optical image stabilization (OIS) which is applied to
reduce the distortion frequency owing to the vibration of the lens
while shooting.
[0099] At least one of the first, second, third, fourth, fifth and
sixth lens elements of the optical image capturing system of the
disclosure may further be designed as a light filtration element
with a wavelength of less than 500 nm according to the actual
requirement. The light filter element may be made by coating at
least one surface of the specific lens element characterized of the
filter function, and alternatively, may be made by the lens element
per se made of the material which is capable of filtering short
wavelength.
[0100] According to the above embodiments, the specific embodiments
with figures are presented in detail as below.
The First Embodiment
Embodiment 1
[0101] Please refer to FIG. 1A and FIG. 1B. FIG. 1A is a schematic
view of the optical image capturing system according to the first
embodiment of the present application, FIG. 1B is longitudinal
spherical aberration curves, astigmatic field curves, and an
optical distortion curve of the optical image capturing system in
the order from left to right according to the first embodiment of
the present application, and FIG. 1C is a lateral aberration
diagram of tangential fan, sagittal fan, the longest operation
wavelength and the shortest operation wavelength passing through an
edge of the entrance pupil and incident on the image plane by 0.7
HOI according to the first embodiment of the present application.
As shown in FIG. 1A, in order from an object side to an image side,
the optical image capturing system includes a first lens element
110, an aperture stop 100, a second lens element 120, a third lens
element 130, a fourth lens element 140, a fifth lens element 150, a
sixth lens element 160, an IR-bandstop filter 180, an image plane
190, and an image sensing device 192.
[0102] The first lens element 110 has negative refractive power and
it is made of plastic material. The first lens element 110 has a
concave object-side surface 112 and a concave image-side surface
114, both of the object-side surface 112 and the image-side surface
114 are aspheric, and the object-side surface 112 has two
inflection points. The length of outline curve of the maximum
effective half diameter position of the object-side surface of the
first lens element is denoted as ARS11. The length of outline curve
of the maximum effective half diameter position of the image-side
surface of the first lens element is denoted as ARS 12. The length
of outline curve of a half of an entrance pupil diameter (HEP) of
the object-side surface of the first lens element is denoted as
ARE11, and the length of outline curve of the half of the entrance
pupil diameter (HEP) of the image-side surface of the first lens
element is denoted as ARE12. The thickness of the first lens
element on the optical axis is TP1.
[0103] A distance in parallel with an optical axis from an
inflection point on the object-side surface of the first lens
element which is nearest to the optical axis to an axial point on
the object-side surface of the first lens element is denoted by
SGI111. A distance in parallel with an optical axis from an
inflection point on the image-side surface of the first lens
element which is nearest to the optical axis to an axial point on
the image-side surface of the first lens element is denoted by
SGI121. The following relations are satisfied: SGI111=-0.0031 mm
and |SGI111|/(|SGI111|+TP1)=0.0016.
[0104] A distance in parallel with an optical axis from an
inflection point on the object-side surface of the first lens
element which is the second nearest to the optical axis to an axial
point on the object-side surface of the first lens element is
denoted by SGI112. A distance in parallel with an optical axis from
an inflection point on the image-side surface of the first lens
element which is the second nearest to the optical axis to an axial
point on the image-side surface of the first lens element is
denoted by SGI122. The following relations are satisfied:
SGI112=1.3178 mm and |SGI112|/(|SGI112|+TP1)=0.4052.
[0105] A distance perpendicular to the optical axis from the
inflection point on the object-side surface of the first lens
element which is nearest to the optical axis to an axial point on
the object-side surface of the first lens element is denoted by
HIF111. A distance perpendicular to the optical axis from the
inflection point on the image-side surface of the first lens
element which is nearest to the optical axis to an axial point on
the image-side surface of the first lens element is denoted by
HIF121. The following relations are satisfied: HIF111=0.5557 mm and
HIF111/HOI=0.1111.
[0106] A distance perpendicular to the optical axis from the
inflection point on the object-side surface of the first lens
element which is the second nearest to the optical axis to an axial
point on the object-side surface of the first lens element is
denoted by HIF112. A distance perpendicular to the optical axis
from the inflection point on the image-side surface of the first
lens element which is the second nearest to the optical axis to an
axial point on the image-side surface of the first lens element is
denoted by HIF121. The following relations are satisfied:
HIF112=5.3732 mm and HIF1112/HOI=1.0746.
[0107] The second lens element 120 has positive refractive power
and it is made of plastic material. The second lens element 120 has
a convex object-side surface 122 and a convex image-side surface
124, and both of the object-side surface 122 and the image-side
surface 124 are aspheric. The object-side surface 122 has an
inflection point. The length of outline curve of the maximum
effective half diameter position of the object-side surface of the
second lens element is denoted as ARS21, and the length of outline
curve of the maximum effective half diameter position of the
image-side surface of the second lens element is denoted as ARS22.
The length of outline curve of a half of an entrance pupil diameter
(HEP) of the object-side surface of the second lens element is
denoted as ARE21, and the length of outline curve of the half of
the entrance pupil diameter (HEP) of the image-side surface of the
second lens element is denoted as ARE22. The thickness of the
second lens element on the optical axis is TP2.
[0108] A distance in parallel with an optical axis from an
inflection point on the object-side surface of the second lens
element which is nearest to the optical axis to an axial point on
the object-side surface of the second lens element is denoted by
SGI211. A distance in parallel with an optical axis from an
inflection point on the image-side surface of the second lens
element which is nearest to the optical axis to an axial point on
the image-side surface of the second lens element is denoted by
SGI221. The following relations are satisfied: SGI211=0.1069 mm,
|SGI211|/(|SGI211|+TP2)=0.0412, SGI221=0 mm and
|SGI221|/(|SGI221|+TP2)=0.
[0109] A distance perpendicular to the optical axis from the
inflection point on the object-side surface of the second lens
element which is nearest to the optical axis to an axial point on
the object-side surface of the second lens element is denoted by
HIF211. A distance perpendicular to the optical axis from the
inflection point on the image-side surface of the second lens
element which is nearest to the optical axis to an axial point on
the image-side surface of the second lens element is denoted by
HIF221. The following relations are satisfied: HIF211=1.1264 mm,
HIF211/HOI=0.2253, HIF221=0 mm and HIF221/HOI=0.
[0110] The third lens element 130 has negative refractive power and
it is made of plastic material. The third lens element 130 has a
concave object-side surface 132 and a convex image-side surface
134, and both of the object-side surface 132 and the image-side
surface 134 are aspheric. The object-side surface 132 and the
image-side surface 134 both have an inflection point. The length of
outline curve of the maximum effective half diameter position of
the object-side surface of the third lens element is denoted as
ARS31, and the length of outline curve of the maximum effective
half diameter position of the image-side surface of the third lens
element is denoted as ARS32. The length of outline curve of a half
of an entrance pupil diameter (HEP) of the object-side surface of
the third lens element is denoted as ARE31, and the length of
outline curve of the half of the entrance pupil diameter (HEP) of
the image-side surface of the third lens element is denoted as
ARE32. The thickness of the third lens element on the optical axis
is TP3.
[0111] A distance in parallel with an optical axis from an
inflection point on the object-side surface of the third lens
element which is nearest to the optical axis to an axial point on
the object-side surface of the third lens element is denoted by
SGI311. A distance in parallel with an optical axis from an
inflection point on the image-side surface of the third lens
element which is nearest to the optical axis to an axial point on
the image-side surface of the third lens element is denoted by
SGI321. The following relations are satisfied: SGI311=-0.3041 mm,
|SGI131|/(|SGI311|+TP3)=0.4445, SGI321=-0.1172 mm and
|SGI321|/(|SGI321|+TP3)=0.2357.
[0112] A distance perpendicular to the optical axis between the
inflection point on the object-side surface of the third lens
element which is nearest to the optical axis and the optical axis
is denoted by HIF311. A distance perpendicular to the optical axis
from the inflection point on the image-side surface of the third
lens element which is nearest to the optical axis to an axial point
on the image-side surface of the third lens element is denoted by
HIF321. The following relations are satisfied: HIF311=1.5907 mm,
HIF311/HOI=0.3181, HIF321=1.3380 mm and HIF321/HOI=0.2676.
[0113] The fourth lens element 140 has positive refractive power
and it is made of plastic material. The fourth lens element 140 has
a convex object-side surface 142 and a concave image-side surface
144, both of the object-side surface 142 and the image-side surface
144 are aspheric, the object-side surface 142 has two inflection
points, and the image-side surface 144 has an inflection point. The
length of outline curve of the maximum effective half diameter
position of the object-side surface of the fourth lens element is
denoted as ARS41, and the length of outline curve of the maximum
effective half diameter position of the image-side surface of the
fourth lens element is denoted as ARS42. The length of outline
curve of a half of an entrance pupil diameter (HEP) of the
object-side surface of the fourth lens element is denoted as ARE41,
and the length of outline curve of the half of the entrance pupil
diameter (HEP) of the image-side surface of the fourth lens element
is denoted as ARE42. The thickness of the fourth lens element on
the optical axis is TP4.
[0114] A distance in parallel with an optical axis from an
inflection point on the object-side surface of the fourth lens
element which is nearest to the optical axis to an axial point on
the object-side surface of the fourth lens element is denoted by
SGI411. A distance in parallel with an optical axis from an
inflection point on the image-side surface of the fourth lens
element which is nearest to the optical axis to an axial point on
the image-side surface of the fourth lens element is denoted by
SGI421. The following relations are satisfied: SGI411=0.0070 mm,
|SGI411|/(|SGI411|+TP4)=0.0056, SGI421=0.0006 mm and
|SGI421|/(|SGI421|+TP4)=0.0005.
[0115] A distance in parallel with an optical axis from an
inflection point on the object-side surface of the fourth lens
element which is the second nearest to the optical axis to an axial
point on the object-side surface of the fourth lens element is
denoted by SGI412. A distance in parallel with an optical axis from
an inflection point on the image-side surface of the fourth lens
element which is the second nearest to the optical axis to an axial
point on the image-side surface of the fourth lens element is
denoted by SGI422. The following relations are satisfied:
SGI412=-0.2078 mm and |SGI412|/(|SGI412|+TP4)=0.1439.
[0116] A distance perpendicular to the optical axis between the
inflection point on the object-side surface of the fourth lens
element which is nearest to the optical axis and the optical axis
is denoted by HIF411. A distance perpendicular to the optical axis
between the inflection point on the image-side surface of the
fourth lens element which is nearest to the optical axis and the
optical axis is denoted by HIF421. The following relations are
satisfied: HIF411=0.4706 mm, HIF411/HOI=0.0941, HIF421=0.1721 mm
and HIF421/HOI.ltoreq.0.0344.
[0117] A distance perpendicular to the optical axis between the
inflection point on the object-side surface of the fourth lens
element which is the second nearest to the optical axis and the
optical axis is denoted by HIF412. A distance perpendicular to the
optical axis between the inflection point on the image-side surface
of the fourth lens element which is the second nearest to the
optical axis and the optical axis is denoted by HIF422. The
following relations are satisfied: HIF412=2.0421 mm and
HIF412/HOI=0.4084.
[0118] The fifth lens element 150 has positive refractive power and
it is made of plastic material. The fifth lens element 150 has a
convex object-side surface 152 and a convex image-side surface 154,
and both of the object-side surface 152 and the image-side surface
154 are aspheric. The object-side surface 152 has two inflection
points and the image-side surface 154 has an inflection point. The
length of outline curve of the maximum effective half diameter
position of the object-side surface of the fifth lens element is
denoted as ARS51, and the length of outline curve of the maximum
effective half diameter position of the image-side surface of the
fifth lens element is denoted as ARS52. The length of outline curve
of a half of an entrance pupil diameter (HEP) of the object-side
surface of the fifth lens element is denoted as ARE51, and the
length of outline curve of the half of the entrance pupil diameter
(HEP) of the image-side surface of the fifth lens element is
denoted as ARE52. The thickness of the fifth lens element on the
optical axis is TP5.
[0119] A distance in parallel with an optical axis from an
inflection point on the object-side surface of the fifth lens
element which is nearest to the optical axis to an axial point on
the object-side surface of the fifth lens element is denoted by
SGI511. A distance in parallel with an optical axis from an
inflection point on the image-side surface of the fifth lens
element which is nearest to the optical axis to an axial point on
the image-side surface of the fifth lens element is denoted by
SGI521. The following relations are satisfied: SGI511=0.00364 mm,
|SGI511|/(|SGI511|+TP5)=0.00338, SGI521=-0.63365 mm and
|SGI521|/(|SGI521|+TP5)=0.37154.
[0120] A distance in parallel with an optical axis from an
inflection point on the object-side surface of the fifth lens
element which is the second nearest to the optical axis to an axial
point on the object-side surface of the fifth lens element is
denoted by SGI512. A distance in parallel with an optical axis from
an inflection point on the image-side surface of the fifth lens
element which is the second nearest to the optical axis to an axial
point on the image-side surface of the fifth lens element is
denoted by SGI522. The following relations are satisfied:
SGI512=-0.32032 mm and |SGI512|/(|SGI512+TP5)=0.23009.
[0121] A distance in parallel with an optical axis from an
inflection point on the object-side surface of the fifth lens
element which is the third nearest to the optical axis to an axial
point on the object-side surface of the fifth lens element is
denoted by SGI513. A distance in parallel with an optical axis from
an inflection point on the image-side surface of the fifth lens
element which is the third nearest to the optical axis to an axial
point on the image-side surface of the fifth lens element is
denoted by SGI523. The following relations are satisfied: SGI513=0
mm, |SGI513|/(|SGI513|+TP5)=0, SGI523=0 mm and
|SGI523|/(|SGI523|+TP5)=0.
[0122] A distance in parallel with an optical axis from an
inflection point on the object-side surface of the fifth lens
element which is the fourth nearest to the optical axis to an axial
point on the object-side surface of the fifth lens element is
denoted by SGI514. A distance in parallel with an optical axis from
an inflection point on the image-side surface of the fifth lens
element which is the fourth nearest to the optical axis to an axial
point on the image-side surface of the fifth lens element is
denoted by SGI524. The following relations are satisfied: SGI514=0
mm, |SGI514|/(|SGI514|+TP5)=0, SGI524=0 mm and
|SGI524|/(|SGI524|+TP5)=0.
[0123] A distance perpendicular to the optical axis between the
inflection point on the object-side surface of the fifth lens
element which is nearest to the optical axis and the optical axis
is denoted by HIF511. A distance perpendicular to the optical axis
between the inflection point on the image-side surface of the fifth
lens element which is nearest to the optical axis and the optical
axis is denoted by HIF521. The following relations are satisfied:
HIF511=0.28212 mm, HIF511/HOI=0.05642, HIF521=2.13850 mm and
HIF521/HOI=0.42770.
[0124] A distance perpendicular to the optical axis between the
inflection point on the object-side surface of the fifth lens
element which is the second nearest to the optical axis and the
optical axis is denoted by HIF512. A distance perpendicular to the
optical axis between the inflection point on the image-side surface
of the fifth lens element which is the second nearest to the
optical axis and the optical axis is denoted by HIF522. The
following relations are satisfied: HIF512=2.51384 mm and
HIF512/HOI=0.50277.
[0125] A distance perpendicular to the optical axis between the
inflection point on the object-side surface of the fifth lens
element which is the third nearest to the optical axis and the
optical axis is denoted by HIF513. A distance perpendicular to the
optical axis between the inflection point on the image-side surface
of the fifth lens element which is the third nearest to the optical
axis and the optical axis is denoted by HIF523. The following
relations are satisfied: HIF513=0 mm, HIF513/HOI=0, HIF523=0 mm and
HIF523/HOI=0.
[0126] A distance perpendicular to the optical axis between the
inflection point on the object-side surface of the fifth lens
element which is the fourth nearest to the optical axis and the
optical axis is denoted by HIF514. A distance perpendicular to the
optical axis between the inflection point on the image-side surface
of the fifth lens element which is the fourth nearest to the
optical axis and the optical axis is denoted by HIF524. The
following relations are satisfied: HIF514=0 mm, HIF514/HOI=0,
HIF524=0 mm and HIF524/HOI=0.
[0127] The sixth lens element 160 has negative refractive power and
it is made of plastic material. The sixth lens element 160 has a
concave object-side surface 162 and a concave image-side surface
164, and the object-side surface 162 has two inflection points and
the image-side surface 164 has an inflection point. Hereby, the
angle of incident of each view field on the sixth lens element can
be effectively adjusted and the spherical aberration can thus be
improved. The length of outline curve of the maximum effective half
diameter position of the object-side surface of the sixth lens
element is denoted as ARS61, and the length of outline curve of the
maximum effective half diameter position of the image-side surface
of the sixth lens element is denoted as ARS62. The length of
outline curve of a half of an entrance pupil diameter (HEP) of the
object-side surface of the sixth lens element is denoted as ARE61,
and the length of outline curve of the half of the entrance pupil
diameter (HEP) of the image-side surface of the sixth lens element
is denoted as ARE62. The thickness of the sixth lens element on the
optical axis is TP6.
[0128] A distance in parallel with an optical axis from an
inflection point on the object-side surface of the sixth lens
element which is nearest to the optical axis to an axial point on
the object-side surface of the sixth lens element is denoted by
SGI611. A distance in parallel with an optical axis from an
inflection point on the image-side surface of the sixth lens
element which is nearest to the optical axis to an axial point on
the image-side surface of the sixth lens element is denoted by
SGI621. The following relations are satisfied: SGI611=-0.38558 mm,
|SGI611|/(|SGI611|+TP6)=0.27212, SGI621=0.12386 mm and
|SGI621|/(|SGI621|+TP6)=0.10722.
[0129] A distance in parallel with an optical axis from an
inflection point on the object-side surface of the sixth lens
element which is the second nearest to the optical axis to an axial
point on the object-side surface of the sixth lens element is
denoted by SGI612. A distance in parallel with an optical axis from
an inflection point on the image-side surface of the sixth lens
element which is the second nearest to the optical axis to an axial
point on the image-side surface of the sixth lens element is
denoted by SGI622. The following relations are satisfied:
SGI612=-0.47400 mm, |SGI612|/(|SGI612|+TP6)=0.31488, SGI622=0 mm
and |SGI622|/(|SGI622|+TP6)=0.
[0130] A distance perpendicular to the optical axis between the
inflection point on the object-side surface of the sixth lens
element which is nearest to the optical axis and the optical axis
is denoted by HIF611. A distance perpendicular to the optical axis
between the inflection point on the image-side surface of the sixth
lens element which is nearest to the optical axis and the optical
axis is denoted by HIF621. The following relations are satisfied:
HIF611=2.24283 mm, HIF611/HOI=0.44857, HIF621=1.07376 mm and
HIF621/HOI=0.21475.
[0131] A distance perpendicular to the optical axis between the
inflection point on the object-side surface of the sixth lens
element which is the second nearest to the optical axis and the
optical axis is denoted by HIF612. A distance perpendicular to the
optical axis between the inflection point on the image-side surface
of the sixth lens element which is the second nearest to the
optical axis and the optical axis is denoted by HIF622. The
following relations are satisfied: HIF612=2.48895 mm and
HIF612/HOI=0.49779.
[0132] A distance perpendicular to the optical axis between the
inflection point on the object-side surface of the sixth lens
element which is the third nearest to the optical axis and the
optical axis is denoted by HIF613. A distance perpendicular to the
optical axis between the inflection point on the image-side surface
of the sixth lens element which is the third nearest to the optical
axis and the optical axis is denoted by HIF623. The following
relations are satisfied: HIF613=0 mm, HIF613/HOI=0, HIF623=f) mm
and HIF623/HOI=0.
[0133] A distance perpendicular to the optical axis between the
inflection point on the object-side surface of the sixth lens
element which is the fourth nearest to the optical axis and the
optical axis is denoted by HIF614. A distance perpendicular to the
optical axis between the inflection point on the image-side surface
of the sixth lens element which is the fourth nearest to the
optical axis and the optical axis is denoted by HIF624. The
following relations are satisfied: HIF614=0 mm, HIF614/HOI=0,
HIF624=0 mm and HIF624/HOI=0.
[0134] The IR-bandstop filter 180 is made of glass material without
affecting the focal length of the optical image capturing system
and it is disposed between the sixth lens element 160 and the image
plane 190.
[0135] In the optical image capturing system of the first
embodiment, a focal length of the optical image capturing system is
f, an entrance pupil diameter of the optical image capturing system
is HEP, and half of a maximum view angle of the optical image
capturing system is HAF. The detailed parameters are shown as
below: f=4.075 mm, f/HEP=1.4, HAF=50.001.degree. and
tan(HAF)=1.1918.
[0136] In the optical image capturing system of the first
embodiment, a focal length of the first lens element 110 is f1 and
a focal length of the sixth lens element 160 is f6. The following
relations are satisfied: f1=-7.828 mm, |f/f1|=0.52060, f6=-4.886
and |f1|>|f6|.
[0137] In the optical image capturing system of the first
embodiment, focal lengths of the second lens element 120 to the
fifth lens element 150 are f2, f3, f4 and f5, respectively. The
following relations are satisfied: |f2|+|f3|+|f4|+|f5|=95.50815 mm,
|f1|+|f6|=12.71352 mm and |f2|+|f3|+|f4|+|f5|>|f1|+|f6|.
[0138] A ratio of the focal length f of the optical image capturing
system to a focal length fp of each of lens elements with positive
refractive power is PPR. A ratio of the focal length f of the
optical image capturing system to a focal length fn of each of lens
elements with negative refractive power is NPR. In the optical
image capturing system of the first embodiment, a sum of the PPR of
all lens elements with positive refractive power is
.SIGMA.PPR=f/f1+f/f3+f/f5=1.63290. A sum of the NPR of all lens
elements with negative refractive powers is
.SIGMA.NPR=|f/f1|+|f/f3|+|f/f6|=1.51305,
.SIGMA.PPR/|.SIGMA.NPR|=1.07921. The following relations are also
satisfied: f/f2|=0.69101, |f/f3|=0.15834, |f/f4|=0.06883,
|f/f5|=0.87305 and |f/f6|=0.83412.
[0139] In the optical image capturing system of the first
embodiment, a distance from the object-side surface 112 of the
first lens element to the image-side surface 164 of the sixth lens
element is InTL. A distance from the object-side surface 112 of the
first lens element to the image plane 190 is HOS. A distance from
an aperture 100 to an image plane 190 is InS. Half of a diagonal
length of an effective detection field of the image sensing device
192 is HOI. A distance from the image-side surface 164 of the sixth
lens element to the image plane 190 is BFL. The following relations
are satisfied: InTL+BFL=HOS, HOS=19.54120 mm, HOI=5.0 mm,
HOS/HOI=3.90824, HOS/f=4.7952, InS=11.685 mm and
InS/HOS=0.59794.
[0140] In the optical image capturing system of the first
embodiment, a total central thickness of all lens elements with
refractive power on the optical axis is .SIGMA.TP. The following
relations are satisfied: .SIGMA.TP=8.13899 mm and
.SIGMA.TP/InTL=0.52477. Hereby, contrast ratio for the image
formation in the optical image capturing system and defect-free
rate for manufacturing the lens element can be given consideration
simultaneously, and a proper back focal length is provided to
dispose other optical components in the optical image capturing
system.
[0141] In the optical image capturing system of the first
embodiment, a curvature radius of the object-side surface 112 of
the first lens element is R1. A curvature radius of the image-side
surface 114 of the first lens element is R2. The following relation
is satisfied: |R1/R2|=8.99987. Hereby, the first lens element may
have proper strength of the positive refractive power, so as to
avoid the longitudinal spherical aberration to increase too
fast.
[0142] In the optical image capturing system of the first
embodiment, a curvature radius of the object-side surface 162 of
the sixth lens element is R11. A curvature radius of the image-side
surface 164 of the sixth lens element is R12. The following
relation is satisfied: (R11-R12)/(R11+R12)=1.27780. Hereby, the
astigmatism generated by the optical image capturing system can be
corrected beneficially.
[0143] In the optical image capturing system of the first
embodiment, a sum of focal lengths of all lens elements with
positive refractive power is .SIGMA.PP. The following relations are
satisfied: .SIGMA.PP=f2+f4+f5=69.770 mm and f5/(f2+f4+f5)=0.067.
Hereby, it is favorable for allocating the positive refractive
power of the first lens element 110 to other positive lens elements
and the significant aberrations generated in the process of moving
the incident light can be suppressed.
[0144] In the optical image capturing system of the first
embodiment, a sum of focal lengths of all lens elements with
negative refractive power is .SIGMA.NP. The following relations are
satisfied: .SIGMA.NP=f1+f3+f6=-38.451 mm and f6/(f1+f3+f6)=0.127.
Hereby, it is favorable for allocating the negative refractive
power of the sixth lens element 160 to other negative lens elements
and the significant aberrations generated in the process of moving
the incident light can be suppressed.
[0145] In the optical image capturing system of the first
embodiment, a distance between the first lens element 110 and the
second lens element 120 on the optical axis is IN12. The following
relations are satisfied: IN12=6.418 mm and IN12/f=1.57491. Hereby,
the chromatic aberration of the lens elements can be improved, such
that the performance can be increased.
[0146] In the optical image capturing system of the first
embodiment, a distance between the fifth lens element 150 and the
sixth lens element 160 on the optical axis is IN56. The following
relations are satisfied: IN56=0.025 mm and IN56/f=0.00613. Hereby,
the chromatic aberration of the lens elements can be improved, such
that the performance can be increased.
[0147] In the optical image capturing system of the first
embodiment, central thicknesses of the first lens element 110 and
the second lens element 120 on the optical axis are TP1 and TP2,
respectively. The following relations are satisfied: TP1=1.934 mm,
TP2=2.486 mm and (TP1+IN12)/TP2=3.36005. Hereby, the sensitivity
produced by the optical image capturing system can be controlled,
and the performance can be increased.
[0148] In the optical image capturing system of the first
embodiment, central thicknesses of the fifth lens element 150 and
the sixth lens element 160 on the optical axis are TP5 and TP6,
respectively, and a distance between the aforementioned two lens
elements on the optical axis is IN56. The following relations are
satisfied: TP5=1.072 mm, TP6=1.031 mm and (TP6+IN56)/TP5=0.98555.
Hereby, the sensitivity produced by the optical image capturing
system can be controlled and the total height of the optical image
capturing system can be reduced.
[0149] In the optical image capturing system of the first
embodiment, a distance between the third lens element 130 and the
fourth lens element 140 on the optical axis is IN34. A distance
between the fourth lens element 140 and the fifth lens element 150
on the optical axis is IN45. The following relations are satisfied:
IN34=0.401 mm, IN45=0.025 mm and TP4/(IN34+TP4+IN45)=0.74376.
Hereby, the aberration generated by the process of moving the
incident light can be adjusted slightly layer upon layer, and the
total height of the optical image capturing system can be
reduced.
[0150] In the optical image capturing system of the first
embodiment, a distance in parallel with an optical axis from a
maximum effective half diameter position to an axial point on the
object-side surface 152 of the fifth lens element is InRS51. A
distance in parallel with an optical axis from a maximum effective
half diameter position to an axial point on the image-side surface
154 of the fifth lens element is InRS52. A central thickness of the
fifth lens element 150 is TP5. The following relations are
satisfied: InRS51=-0.34789 mm, InRS52=-0.88185 mm,
|InRS51|/TP5=0.32458 and |InRS52|/TP5=0.82276. Hereby, it is
favorable for manufacturing and forming the lens element and for
maintaining the minimization for the optical image capturing
system.
[0151] In the optical image capturing system of the first
embodiment, a distance perpendicular to the optical axis between a
critical point C51 on the object-side surface 152 of the fifth lens
element and the optical axis is HVT51. A distance perpendicular to
the optical axis between a critical point C52 on the image-side
surface 154 of the fifth lens element and the optical axis is
HVT52. The following relations are satisfied: HVT51=0.515349 mm and
HVT52=0 mm.
[0152] In the optical image capturing system of the first
embodiment, a distance in parallel with an optical axis from a
maximum effective half diameter position to an axial point on the
object-side surface 162 of the sixth lens element is InRS61. A
distance in parallel with an optical axis from a maximum effective
half diameter position to an axial point on the image-side surface
164 of the sixth lens element is InRS62. A central thickness of the
sixth lens element 160 is TP6. The following relations are
satisfied: InRS61=-0.58390 mm, InRS62=0.41976 mm,
|InRS61|/TP6=0.56616 and |InRS62|/TP6=0.40700. Hereby, it is
favorable for manufacturing and forming the lens element and for
maintaining the minimization for the optical image capturing
system.
[0153] In the optical image capturing system of the first
embodiment, a distance perpendicular to the optical axis between a
critical point C61 on the object-side surface 162 of the sixth lens
element and the optical axis is HVT61. A distance perpendicular to
the optical axis between a critical point C62 on the image-side
surface 164 of the sixth lens element and the optical axis is
HVT62. The following relations are satisfied: HVT61=0 mm and
HVT62=0 mm.
[0154] In the optical image capturing system of the first
embodiment, the following relation is satisfied: HVT51/HOI=0.1031.
Hereby, the aberration of surrounding view field can be
corrected.
[0155] In the optical image capturing system of the first
embodiment, the following relation is satisfied: HVT51/HOS=0.02634.
Hereby, the aberration of surrounding view field can be
corrected.
[0156] In the optical image capturing system of the first
embodiment, the second lens element 120, the third lens element 130
and the sixth lens element 160 have negative refractive power. An
Abbe number of the second lens element is NA2. An Abbe number of
the third lens element is NA3. An Abbe number of the sixth lens
element is NA6. The following relation is satisfied:
NA6/NA2.ltoreq.1. Hereby, the chromatic aberration of the optical
image capturing system can be corrected.
[0157] In the optical image capturing system of the first
embodiment, TV distortion and optical distortion for image
formation in the optical image capturing system are TDT and ODT,
respectively. The following relations are satisfied: |TDT|=2.124%
and |ODT|=5.076%.
[0158] In the optical image capturing system of the first
embodiment, a lateral aberration of the longest operation
wavelength of a visible light of a positive direction tangential
fan of the optical image capturing system passing through an edge
of the aperture and incident on the image plane by 0.7 view field
is denoted as PLTA, which is 0.006 mm. A lateral aberration of the
shortest operation wavelength of a visible light of the positive
direction tangential fan of the optical image capturing system
passing through the edge of the aperture and incident on the image
plane by 0.7 view field is denoted as PSTA, which is 0.005 mm. A
lateral aberration of the longest operation wavelength of a visible
light of a negative direction tangential fan of the optical image
capturing system passing through the edge of the aperture and
incident on the image plane by 0.7 view field is denoted as NLTA,
which is 0.004 mm. A lateral aberration of the shortest operation
wavelength of a visible light of a negative direction tangential
fan of the optical image capturing system passing through the edge
of the aperture and incident on the image plane by 0.7 view field
is denoted as NSTA, which is -0.007 mm. A lateral aberration of the
longest operation wavelength of a visible light of a sagittal fan
of the optical image capturing system passing through the edge of
the aperture and incident on the image plane by 0.7 view field is
denoted as SLTA, which is -0.003 mm. A lateral aberration of the
shortest operation wavelength of a visible light of the sagittal
fan of the optical image capturing system passing through the edge
of the aperture and incident on the image plane by 0.7 view field
is denoted as SSTA, which is 0.008 mm.
[0159] Please refer to the following Table 1 and Table 2.
The detailed data of the optical image capturing system of the
first embodiment is as shown in Table 1.
TABLE-US-00001 TABLE 1 Data of the optical image capturing system f
= 4.075 mm, f/HEP = 1.4, HAF = 50.000 deg Surface Focal # Curvature
Radius Thickness Material Index Abbe # length 0 Object Plano Plano
1 Lens 1 -40.99625704 1.934 Plastic 1.515 56.55 -7.828 2
4.555209289 5.923 3 Ape. stop Plano 0.495 4 Lens 2 5.333427366
2.486 Plastic 1.544 55.96 5.897 5 -6.781659971 0.502 6 Lens 3
-5.697794287 0.380 Plastic 1.642 22.46 -25.738 7 -8.883957518 0.401
8 Lens 4 13.19225664 1.236 Plastic 1.544 55.96 59.205 9 21.55681832
0.025 10 Lens 5 8.987806345 1.072 Plastic 1.515 56.55 4.668 11
-3.158875374 0.025 12 Lens 6 -29.46491425 1.031 Plastic 1.642 22.46
-4.886 13 3.593484273 2.412 14 IR-bandstop Plano 0.200 1.517 64.13
filter 15 Plano 1.420 16 Image plane Plano Reference wavelength
(d-line) = 555 nm; shield position: The clear aperture of the first
surface is 5.800 mm. The clear aperture of the third surface is
1.570 mm. The clear aperture of the fifth surface is 1.950 mm.
As for the parameters of the aspheric surfaces of the first
embodiment, reference is made to Table 2.
TABLE-US-00002 TABLE 2 Aspheric Coefficients Surface # 1 2 4 5 6 7
8 k 4.310876E+01 -4.707622E+00 2.616025E+00 2.445397E+00
5.645686E+00 -2.117147E+01 -5.287220E+00 A4 7.054243E-03
1.714312E-02 -8.377541E-03 -1.789549E-02 -3.379055E-03
-1.370959E-02 -2.937377E-02 A6 -5.233264E-04 -1.502232E-04
-1.838068E-03 -3.657520E-03 -1.225453E-03 6.250200E-03 2.743532E-03
A8 3.077890E-05 -1.359611E-04 1.233332E-03 -1.131622E-03
-5.979572E-03 -5.854426E-03 -2.457574E-03 A10 -1.260650E-06
2.680747E-05 -2.390895E-03 1.390351E-03 4.556449E-03 4.049451E-03
1.874319E-03 A12 3.319093E-08 -2.017491E-06 1.998555E-03
-4.152857E-04 -1.177175E-03 -1.314592E-03 -6.013661E-04 A14
-5.051600E-10 6.604615E-08 -9.734019E-04 5.487286E-05 1.370522E-04
2.143097E-04 8.792480E-05 A16 3.380000E-12 -1.301630E-09
2.478373E-04 -2.919339E-06 -5.974015E-06 -1.399894E-05
-4.770527E-06 Surface # 9 10 11 12 13 k 6.200000E+01 -2.114008E+01
-7.699904E+00 -6.155476E+01 -3.120467E-01 A4 -1.359965E-01
-1.263831E-01 -1.927804E-02 -2.492467E-02 -3.521844E-02 A6
6.628518E-02 6.965399E-02 2.478376E-03 -1.835360E-03 5.62954E-03 A8
-2.129167E-02 -2.116027E-02 1.438785E-03 3.201343E-03 -5.466925E-04
A10 4.396344E-03 3.819371E-03 -7.013749E-04 -8.990757E-04
2.231154E-05 A12 -5.542899E-04 -4.040283E-04 1.253214E-04
1.245343E-04 5.548990E-07 A14 3.768879E-05 2.280473E-05
-9.943196E-06 -8.788363E-06 -9.396920E-08 A16 -1.052467E-06
-5.165452E-07 2.898397E-07 2.494302E-07 2.728360E-09
[0160] The numerical related to the length of outline curve is
shown according to table 1 and table 2.
TABLE-US-00003 First embodiment (Reference wavelength = 555 nm) ARE
1/2(HEP) ARE value ARE - 1/2(HEP) 2(ARE/HEP) % TP ARE/TP (%) 11
1.455 1.455 -0.00033 99.98% 1.934 75.23% 12 1.455 1.495 0.03957
102.72% 1.934 77.29% 21 1.455 1.465 0.00940 100.65% 2.486 58.93% 22
1.455 1.495 0.03950 102.71% 2.486 60.14% 31 1.455 1.486 0.03045
102.09% 0.380 391.02% 32 1.455 1.464 0.00830 100.57% 0.380 385.19%
41 1.455 1.458 0.00237 100.16% 1.236 117.95% 42 1.455 1.484 0.02825
101.94% 1.236 120.04% 51 1.455 1.462 0.00672 100.46% 1.072 136.42%
52 1.455 1.499 0.04335 102.98% 1.072 139.83% 61 1.455 1.465 0.00964
100.66% 1.031 142.06% 62 1.455 1.469 0.01374 100.94% 1.031 142.45%
ARS EHD ARS value ARS - EHD (ARS/EHD) % TP ARS/TP (%) 11 5.800
6.141 0.341 105.88% 1.934 317.51% 12 3.299 4.423 1.125 134.10%
1.934 228.70% 21 1.664 1.674 0.010 100.61% 2.486 67.35% 22 1.950
2.119 0.169 108.65% 2.486 85.23% 31 1.980 2.048 0.069 103.47% 0.380
539.05% 32 2.084 2.101 0.017 100.83% 0.380 552.87% 41 2.247 2.287
0.040 101.80% 1.236 185.05% 42 2.530 2.813 0.284 111.22% 1.236
227.63% 51 2.655 2.690 0.035 101.32% 1.072 250.99% 52 2.764 2.930
0.166 106.00% 1.072 273.40% 61 2.816 2.905 0.089 103.16% 1.031
281.64% 62 3.363 3.391 0.029 100.86% 1.031 328.83%
[0161] Table 1 is the detailed structure data to the first
embodiment in FIG. 1A, wherein the unit of the curvature radius,
the thickness, the distance, and the focal length is millimeters
(mm). Surfaces 0-16 illustrate the surfaces from the object side to
the image plane in the optical image capturing system. Table 2 is
the aspheric coefficients of the first embodiment, wherein k is the
conic coefficient in the aspheric surface formula, and A1-A20 are
the first to the twentieth order aspheric surface coefficient.
Besides, the tables in the following embodiments are referenced to
the schematic view and the aberration graphs, respectively, and
definitions of parameters in the tables are equal to those in the
Table 1 and the Table 2, so the repetitious details will not be
given here.
The Second Embodiment
Embodiment 2
[0162] Please refer to FIG. 2A, FIG. 2B and FIG. 2C, FIG. 2A is a
schematic view of the optical image capturing system according to
the second embodiment of the present application, FIG. 2B is
longitudinal spherical aberration curves, astigmatic field curves,
and an optical distortion curve of the optical image capturing
system in the order from left to right according to the second
embodiment of the present application, and FIG. 2C is a lateral
aberration diagram of tangential fan, sagittal fan, the longest
operation wavelength and the shortest operation wavelength passing
through an edge of the entrance pupil and incident on the image
plane by 0.7 HOI according to the second embodiment of the present
application. As shown in FIG. 2A, in order from an object side to
an image side, the optical image capturing system includes a first
lens element 210, a second lens element 220, a third lens element
230, an aperture stop 200, a fourth lens element 240, a fifth lens
element 250, a sixth lens element 260, an IR-bandstop filter 280,
an image plane 290, and an image sensing device 292.
[0163] The first lens element 210 has negative refractive power and
it is made of glass material. The first lens element 210 has a
convex object-side surface 212 and a concave image-side surface
214, and both of the object-side surface 212 and the image-side
surface 214 are aspheric.
[0164] The second lens element 220 has negative refractive power
and it is made of glass material. The second lens element 220 has a
concave object-side surface 222 and a concave image-side surface
224, and both of the object-side surface 222 and the image-side
surface 224 are aspheric.
[0165] The third lens element 230 has positive refractive power and
it is made of glass material. The third lens element 230 has a
convex object-side surface 232 and a convex image-side surface 234,
and both of the object-side surface 232 and the image-side surface
234 are aspheric.
[0166] The fourth lens element 240 has positive refractive power
and it is made of glass material. The fourth lens element 240 has a
convex object-side surface 242 and a convex image-side surface 244,
and both of the object-side surface 242 and the image-side surface
244 are aspheric.
[0167] The fifth lens element 250 has negative refractive power and
it is made of glass material. The fifth lens element 250 has a
concave object-side surface 252 and a convex image-side surface
254, and both of the object-side surface 252 and the image-side
surface 254 are aspheric.
[0168] The sixth lens element 260 has positive refractive power and
it is made of glass material. The sixth lens element 260 has a
convex object-side surface 262 and a convex image-side surface 264.
Hereby, the back focal length is reduced to miniaturize the lens
element effectively. In addition, the angle of incident with
incoming light from an off-axis view field can be suppressed
effectively and the aberration in the off-axis view field can be
corrected further.
[0169] The IR-bandstop filter 280) is made of glass material
without affecting the focal length of the optical image capturing
system and it is disposed between the sixth lens element 260 and
the image plane 290.
[0170] In the optical image capturing system of the second
embodiment, a sum of focal lengths of all lens elements with
positive refractive power is .SIGMA.PP. The following relation is
satisfied: .SIGMA.PP=21.726 mm and f3/.SIGMA.PP=0.321. Hereby, it
is favorable for allocating the positive refractive power of a
single lens element to other positive lens elements and the
significant aberrations generated in the process of moving the
incident light can be suppressed.
[0171] In the optical image capturing system of the second
embodiment, a sum of focal lengths of all lens elements with
negative refractive power is .SIGMA.NP. The following relation is
satisfied: .SIGMA.NP=-22.398 mm and f1/.SIGMA.NP=0.533. Hereby, it
is favorable for allocating the negative refractive power of a
single lens element to other negative lens elements.
[0172] Please refer to the following Table 3 and Table 4.
The detailed data of the optical image capturing system of the
second embodiment is as shown in Table 3.
TABLE-US-00004 TABLE 3 Data of the optical image capturing system f
= 2.723 mm; f/HEP = 1.4; HAF = 100 deg Focal Surface # Curvature
Radius Thickness Material Index Abbe # length 0 Object Plano At
infinity 1 Lens 1 17.27883956 5.407 Glass 2.001 29.13 -11.929 2
5.974109102 6.489 3 Lens 2 -29.78877528 1.017 Glass 1.637 45.67
-5.920 4 4.395517907 3.303 5 Lens 3 7.640218015 1.457 Glass 2.001
29.13 6.982 6 -79.94848645 3.505 7 Ape. stop Plano 0.215 8 Lens 4
23.8971483 2.143 Glass 1.769 36.03 3.530 9 Lens 5 -2.957683742
0.621 Cementedcemented 2.002 19.32 -4.548 glass 10 -9.148681719
0.567 11 Lens 6 8.249043122 2.500 Glass 1.497 81.61 11.214 12
-15.55686039 0.100 13 IR-bandstop Plano 1.500 BK_7 1.517 64.13
filter 14 Plano 3.271 15 Image plane Plano Reference wavelength
(d-line) = 555 nm; shield position: The clear aperture of the fifth
surface is 3.300 mm. The clear aperture of the tenth surface is
3.00 mm.
As for the parameters of the aspheric surfaces of the second
embodiment, reference is made to Table 4.
TABLE-US-00005 TABLE 4 Aspheric Coefficients Surface # 3 4 5 6 8 9
10 k 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 0.000000E+00 A4 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 A6
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 A8 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 A10
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00
[0173] In the second embodiment, the presentation of the aspheric
surface formula is similar to that in the first embodiment.
Besides, the definitions of parameters in following tables are
equal to those in the first embodiment, so the repetitious details
will not be given here.
[0174] The following contents may be deduced from Table 3 and Table
4.
TABLE-US-00006 Second embodiment (Primary reference wavelength =
587.5 nm) | f/f1 | | f/f2 | | f/f3 | | f/f4 | | f/f5 | | f/f6 |
0.22823 0.45987 0.38993 0.77127 0.59858 0.24279 .SIGMA. PPR .SIGMA.
NPR .SIGMA. PPR/| .SIGMA. NPR | IN12/f IN56/f TP4/(IN34 + TP4 +
IN45) 1.40400 1.28669 1.09118 2.38322 0.20809 0.36545 | f1/f2 | |
f2/f3 | (TP1 + IN12)/TP2 (TP6 + IN56)/TP5 2.01496 0.84791 11.70046
4.93809 HOS InTL HOS/HOI InS/HOS ODT % TDT % 32.09420 27.22280
8.02355 0.34014 -126.07100 126.07100 HYT51 HVT52 HVT61 HVT62
HVT62/HOI HVT62/HOS 0 0 0.00000 0.00000 0.00000 0.00000 TP2/TP3
TP3/TP4 InRS61 InRS62 | InRS61 |/TP6 | InRS62 |/TP6 0.69785 0.67994
1.08245 -0.56269 0.43298 0.22508 PLTA PSTA NLTA NSTA SLTA SSTA
0.020 mm 0.028 mm 0.013 mm -0.006 mm 0.013 mm 0.031 mm
[0175] The numerical related to the length of outline curve is
shown according to table 3 and table 4.
TABLE-US-00007 Second embodiment (Reference wavelength = 587.5 nm)
ARE 1/2(HEP) ARE value ARE - 1/2(HEP) 2(ARE/HEP) % TP ARE/TP (%) 11
0.972 0.973 0.00016 100.02% 5.407 17.99% 12 0.972 0.976 0.00398
100.41% 5.407 18.06% 21 0.972 0.972 -0.00018 99.98% 1.017 95.62% 22
0.972 0.980 0.00775 100.80% 1.017 96.40% 31 0.972 0.975 0.00229
100.24% 1.457 66.90% 32 0.972 0.972 -0.00033 99.97% 1.457 66.72% 41
0.972 0.972 -0.00009 99.99% 2.143 45.38% 42 0.972 0.990 0.01805
101.86% 2.143 46.22% 51 0.972 0.990 0.01805 101.86% 0.621 159.49%
52 0.972 0.974 0.00148 100.15% 0.621 156.82% 61 0.972 0.974 0.00191
100.20% 2.500 38.97% 62 0.972 0.973 0.00028 100.03% 2.500 38.91%
ARS EHD ARS value ARS - EHD (ARS/EHD) % TP ARS/TP (%) 11 15.531
19.300 3.76961 124.27% 5.407 356.93% 12 5.972 9.191 3.21959 153.91%
5.407 169.98% 21 5.240 5.266 0.02658 100.51% 1.017 517.99% 22 3.552
4.134 0.58225 116.39% 1.017 406.62% 31 3.300 3.411 0.11121 103.37%
1.457 234.14% 32 3.180 3.180 -0.00001 100.00% 1.457 218.26% 41
2.053 2.055 0.00185 100.09% 2.143 95.89% 42 2.347 2.709 0.36241
115.44% 2.143 126.44% 51 2.346 2.708 0.36176 115.42% 0.621 436.02%
52 2.893 2.942 0.04993 101.73% 0.621 473.83% 61 3.927 4.093 0.16561
104.22% 2.500 163.71% 62 4.011 4.057 0.04540 101.13% 2.500
162.27%
The Third Embodiment
Embodiment 3
[0176] Please refer to FIG. 3A, FIG. 3B and FIG. 3C, FIG. 3A is a
schematic view of the optical image capturing system according to
the third embodiment of the present application, FIG. 3B is
longitudinal spherical aberration curves, astigmatic field curves,
and an optical distortion curve of the optical image capturing
system in the order from left to right according to the third
embodiment of the present application, and FIG. 3C is a lateral
aberration diagram of tangential fan, sagittal fan, the longest
operation wavelength and the shortest operation wavelength passing
through an edge of the entrance pupil and incident on the image
plane by 0.7 HOI according to the third embodiment of the present
application. As shown in FIG. 3A, in order from an object side to
an image side, the optical image capturing system includes a first
lens element 310, a second lens element 320, a third lens element
330, an aperture stop 300, a fourth lens element 340, a fifth lens
element 350, a sixth lens element 360, an IR-bandstop filter 380,
an image plane 390, and an image sensing device 392.
[0177] The first lens element 310 has negative refractive power and
it is made of glass material. The first lens element 310 has a
convex object-side surface 312 and a concave image-side surface
314, and both of the object-side surface 312 and the image-side
surface 314 are aspheric.
[0178] The second lens element 320 has negative refractive power
and it is made of glass material. The second lens element 320 has a
convex object-side surface 322 and a concave image-side surface
324, and both of the object-side surface 322 and the image-side
surface 324 are aspheric.
[0179] The third lens element 330 has positive refractive power and
it is made of glass material. The third lens element 330 has a
convex object-side surface 332 and a concave image-side surface
334, and both of the object-side surface 332 and the image-side
surface 334 are aspheric.
[0180] The fourth lens element 340 has positive refractive power
and it is made of glass material. The fourth lens element 340 has a
convex object-side surface 342 and a convex image-side surface 344,
and both of the object-side surface 342 and the image-side surface
344 are aspheric.
[0181] The fifth lens element 350 has negative refractive power and
it is made of glass material. The fifth lens element 350 has a
concave object-side surface 352 and a convex image-side surface
354, and both of the object-side surface 352 and the image-side
surface 354 are aspheric.
[0182] The sixth lens element 360 has positive refractive power and
it is made of glass material. The sixth lens element 360 has a
convex object-side surface 362 and a convex image-side surface 364.
Hereby, the back focal length is reduced to miniaturize the lens
element effectively. In addition, the object-side surface 362 has
two inflection points and image-side surface 364 has an inflection
point, such that the angle of incident with incoming light from an
off-axis view field can be suppressed effectively and the
aberration in the off-axis view field can be corrected further.
[0183] The IR-bandstop filter 380 is made of glass material without
affecting the focal length of the optical image capturing system
and it is disposed between the sixth lens element 360 and the image
plane 390.
[0184] In the optical image capturing system of the third
embodiment, a sum of focal lengths of all lens elements with
positive refractive power is .SIGMA.PP. The following relation is
satisfied: .SIGMA.PP=23.704 mm and f3/.SIGMA.PP=0.374. Hereby, it
is favorable for allocating the positive refractive power of a
single lens element to other positive lens elements and the
significant aberrations generated in the process of moving the
incident light can be suppressed.
[0185] In the optical image capturing system of the third
embodiment, a sum of focal lengths of all lens elements with
negative refractive power is .SIGMA.NP. The following relation is
satisfied: .SIGMA.NP=-24.917 mm and f1/.SIGMA.NP=0.483. Hereby, it
is favorable for allocating the negative refractive power of a
single lens element to other negative lens elements.
[0186] Please refer to the following Table 5 and Table 6.
The detailed data of the optical image capturing system of the
third embodiment is as shown in Table 5.
TABLE-US-00008 TABLE 5 Data of the optical image capturing system f
= 2.67163 mm; f/HEP = 1.6; HAF = 90.000 deg Focal Surface#
Curvature Radius Thickness Material Index Abbe # length 0 Object
Plano At infinity 1 Lens 1 18.40627993 2.487 Glass 1.835 42.70
-12.044 2 6.119474617 5.053 3 Lens 2 16.43394045 1.017 Glass 1.835
42.70 -7.503 4 4.421210441 5.008 5 Lens 3 6.769234744 2.500 Glass
1.849 23.94 8.854 6 54.07956556 2.454 7 Ape. stop Plano 0.327 8
Lens 4 23.59925304 2.500 Glass 1.636 51.50 4.278 9 Lens 5
-2.957683742 0.500 Cemented 1.847 23.80 -5.371 glass 10
-8.987255252 0.100 11 Lens 6 9.420085041 2.500 Glass 1.634 51.58
10.572 12 -21.14914278 3.955 13 IR-bandstop Plano 1.500 BK_7 1.517
64.13 filter 14 Plano 0.100 15 Image plane Plano Reference
wavelength (d-line) = 555 nm
As for the parameters of the aspheric surfaces of the third
embodiment, reference is made to Table 6.
TABLE-US-00009 TABLE 6 Aspheric Coefficients Surface # 3 4 5 6 8 9
10 k 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 0.000000E+00 A4 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 A6
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 A8 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 A10
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00
[0187] The presentation of the aspheric surface formula in the
third embodiment is similar to that in the first embodiment.
Besides, the definitions of parameters in following tables are
equal to those in the first embodiment so the repetitious details
will not be given here.
[0188] The following contents may be deduced from Table 5 and Table
6.
TABLE-US-00010 Third embodiment (Primary reference wavelength: 555
nm) | f/f1 | | f/f2 | | f/f3 | | f/f4 | | f/f5 | | f/f6 | 0.22182
0.35610 0.30175 0.62450 0.49742 0.25270 .SIGMA. PPR .SIGMA. NPR
.SIGMA. PPR/| .SIGMA. NPR | IN12/f IN56/f TP4/(IN34 + TP4 + IN45)
1.17896 1.07534 1.09636 1.89117 0.03743 0.47344 | f1/f2 | | f2/f3 |
(TP1 + IN12)/TP2 (TP6 + IN56)/TP5 1.60532 0.84739 7.41532 5.20000
HOS InTL HOS/HOI InS/HOS ODT % TDT % 30.00000 24.44480 7.50000
0.38272 -100.09800 69.38260 HVT51 HVT52 HVT61 HVT62 HVT62/HOI
HVT62/HOS 0 0 0.00000 0.00000 0.00000 0.00000 TP2/TP3 TP3/TP4
InRS61 InRS62 | InRS61 |/TP6 | InRS62 |/TP6 0.40668 1.00000 0.36889
-0.17297 0.14756 0.06919 PLTA PSTA NLTA NSTA SLTA SSTA 0.014 mm
0.057 mm 0.030 mm -0.028 mm -0.011 mm 0.033 mm
[0189] The numerical related to the length of outline curve is
shown according to table 5 and table 6.
TABLE-US-00011 Third embodiment (Reference wavelength = 587.5 nm)
ARE 1/2(HEP) ARE value ARE - 1/2(HEP) 2(ARE/HEP) % TP ARE/TP (%) 11
0.835 0.834 -0.00060 99.93% 2.487 33.55% 12 0.835 0.837 0.00172
100.21% 2.487 33.64% 21 0.835 0.834 -0.00053 99.94% 1.017 82.07% 22
0.835 0.839 0.00414 100.50% 1.017 82.52% 31 0.835 0.836 0.00124
100.15% 2.500 33.44% 32 0.835 0.834 -0.00085 99.90% 2.500 33.36% 41
0.835 0.834 -0.00071 99.91% 2.500 33.37% 42 0.835 0.845 0.01058
101.27% 2.500 33.82% 51 0.835 0.845 0.01058 101.27% 0.500 169.09%
52 0.835 0.835 0.00032 100.04% 0.500 167.04% 61 0.835 0.835 0.00021
100.03% 2.500 33.40% 62 0.835 0.834 -0.00067 99.92% 2.500 33.37%
ARS EHD ARS value ARS - EHD (ARS/EHD) % TP ARS/TP (%) 11 11.809
12.820 1.01083 108.56% 2.487 515.53% 12 6.021 8.513 2.49181 141.38%
2.487 342.35% 21 5.203 5.294 0.09085 101.75% 1.017 520.71% 22 3.783
4.540 0.75636 119.99% 1.017 446.51% 31 3.670 3.878 0.20784 105.66%
2.500 155.10% 32 3.218 3.220 0.00182 100.06% 2.500 128.80% 41 2.047
2.049 0.00192 100.09% 2.500 81.94% 42 2.399 2.796 0.39767 116.58%
2.500 111.86% 51 2.399 2.796 0.39767 116.58% 0.500 559.28% 52 2.892
2.943 0.05143 101.78% 0.500 588.67% 61 3.436 3.516 0.08015 102.33%
2.500 140.64% 62 3.554 3.570 0.01608 100.45% 2.500 142.80%
The Fourth Embodiment
Embodiment 4
[0190] Please refer to FIG. 4A, FIG. 4B and FIG. 4C, FIG. 4A is a
schematic view of the optical image capturing system according to
the fourth embodiment of the present application, FIG. 4B is
longitudinal spherical aberration curves, astigmatic field curves,
and an optical distortion curve of the optical image capturing
system in the order from left to right according to the fourth
embodiment of the present application, and FIG. 4C is a lateral
aberration diagram of tangential fan, sagittal fan, the longest
operation wavelength and the shortest operation wavelength passing
through an edge of the entrance pupil and incident on the image
plane by 0.7 HOI according to the fourth embodiment of the present
application. As shown in FIG. 4A, in order from an object side to
an image side, the optical image capturing system includes a first
lens element 410, a second lens element 420, a third lens element
430, an aperture stop 400, a fourth lens element 440, a fifth lens
element 450, a sixth lens element 460, an IR-bandstop filter 480,
an image plane 490, and an image sensing device 492.
[0191] The first lens element 410 has negative refractive power and
it is made of glass material. The first lens element 410 has a
convex object-side surface 412 and a concave image-side surface
414, and both of the object-side surface 412 and the image-side
surface 414 are aspheric.
[0192] The second lens element 420 has negative refractive power
and it is made of glass material. The second lens element 420 has a
convex object-side surface 422 and a concave image-side surface
424, and both of the object-side surface 422 and the image-side
surface 424 are aspheric.
[0193] The third lens element 430 has positive refractive power and
it is made of glass material. The third lens element 430 has a
convex object-side surface 432 and a convex image-side surface 434,
and both of the object-side surface 432 and the image-side surface
434 are aspheric.
[0194] The fourth lens element 440 has positive refractive power
and it is made of glass material. The fourth lens element 440 has a
convex object-side surface 442 and a convex image-side surface 444,
and both of the object-side surface 442 and the image-side surface
444 are aspheric.
[0195] The fifth lens element 450 has negative refractive power and
it is made of glass material. The fifth lens element 450 has a
concave object-side surface 452 and a convex image-side surface
454, and both of the object-side surface 452 and the image-side
surface 454 are aspheric.
[0196] The sixth lens element 460 has positive refractive power and
it is made of glass material. The sixth lens element 460 has a
convex object-side surface 462 and a convex image-side surface 464.
Hereby, the back focal length is reduced to miniaturize the lens
element effectively. In addition, the angle of incident with
incoming light from an off-axis view field can be suppressed
effectively and the aberration in the off-axis view field can be
corrected further.
[0197] The IR-bandstop filter 480 is made of plastic material
without affecting the focal length of the optical image capturing
system and it is disposed between the sixth lens element 460 and
the image plane 490.
[0198] In the optical image capturing system of the fourth
embodiment, a sum of focal lengths of all lens elements with
positive refractive power is .SIGMA.PP. The following relation is
satisfied: .SIGMA.PP=22.843 mm and f3/.SIGMA.PP=0.320. Hereby, it
is favorable for allocating the positive refractive power of a
single lens element to other positive lens elements and the
significant aberrations generated in the process of moving the
incident light can be suppressed.
[0199] In the optical image capturing system of the fourth
embodiment, a sum of focal lengths of all lens elements with
negative refractive power is .SIGMA.NP. The following relation is
satisfied: .SIGMA.NP=-24.815 mm and f1/.SIGMA.NP=0.433. Hereby, it
is favorable for allocating the negative refractive power of a
single lens element to other negative lens elements.
[0200] Please refer to the following Table 7 and Table 8.
The detailed data of the optical image capturing system of the
fourth embodiment is as shown in Table 7.
TABLE-US-00012 TABLE 7 Data of the optical image capturing system f
= 3.400 mm; f/HEP = 1.6; HAF = 70.010 deg Focal Surface # Curvature
Radius Thickness Material Index Abbe # length 0 Object Plano At
infinity 1 Lens 1 13.87897679 3.211 Glass 1.835 42.70 -10.736 2
4.884251509 4.803 3 Lens 2 78.2469529 1.017 Glass 1.593 54.94
-8.015 4 4.469581239 2.733 5 Lens 3 6.351422026 2.035 Glass 1.840
31.83 7.320 6 -201.1522902 2.696 7 Ape. stop Plano 0.312 8 Lens 4
32.9697198 2.422 Glass 1.592 54.95 4.684 9 Lens 5 -2.957683742
0.500 Cemented 1.847 23.80 -6.065 glass 10 -7.439375818 0.100 11
Lens 6 10.28429171 2.500 Glass 1.722 46.68 10.839 12 -29.85427525
0.100 13 IR-bandstop Plano 1.500 BK_7 1.517 64.13 filter 14 Plano
4.241 15 Image plane Plano Reference wavelength(d-line) = 555
nm
As for the parameters of the aspheric surfaces of the fourth
embodiment, reference is made to Table 8
TABLE-US-00013 TABLE 8 Aspheric Coefficients Surface # 3 4 5 6 8 9
10 k 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 0.000000E+00 A4 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 A6
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 A8 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 A10
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00
[0201] The presentation of the aspheric surface formula in the
fourth embodiment is similar to that in the first embodiment.
Besides the definitions of parameters in following tables are equal
to those in the first embodiment so the repetitious details will
not be given here.
[0202] The following contents may be deduced from Table 7 and Table
8.
TABLE-US-00014 Fourth embodiment (Primary reference wavelength:
587.5 nm) | f/f1 | | f/f2 | | f/f3 | | f/f4 | | f/f5 | | f/f6 |
0.31671 0.42419 0.46447 0.72589 0.56064 0.31368 .SIGMA. PPR .SIGMA.
NPR .SIGMA. PPR/| .SIGMA. NPR | IN12/f IN56/f TP4/(IN34 + TP4 +
IN45) 1.50404 1.30155 1.15558 1.41250 0.02941 0.44600 | f1/f2 | |
f2/f3 | (TP1 + IN12)/TP2 (TP6 + IN56)/TP5 1.33938 1.09495 7.88202
5.20000 HOS InTL HOS/HOI InS/HOS ODT % TDT % 28.17110 22.32920
7.04278 0.41448 -57.00900 38.50470 HVT51 HVT52 HVT61 HVT62
HVT62/HOI HVT62/HOS 0 0 0.00000 0.00000 0.00000 0.00000 TP2/TP3
TP3/TP4 InRS61 InRS62 | InRS61 |/TP6 | InRS62 |/TP6 0.49964 0.84009
0.94748 -0.31821 0.37899 0.12728 PLTA PSTA NLTA NSTA SLTA SSTA
0.009 mm 0.044 mm 0.069 mm -0.011 mm -0.012 mm 0.034 mm
[0203] The numerical related to the length of outline curve is
shown according to table 7 and table 8.
TABLE-US-00015 Fourth embodiment (Reference wavelength = 587.5 nm)
ARE 1/2(HEP) ARE value ARE - 1/2(HEP) 2(ARE/HEP) % TP ARE/TP (%) 11
1.063 1.063 0.00052 100.05% 3.211 33.11% 12 1.063 1.071 0.00803
100.76% 3.211 33.34% 21 1.063 1.062 -0.00048 99.95% 1.017 104.46%
22 1.063 1.072 0.00974 100.92% 1.017 105.46% 31 1.063 1.067 0.00450
100.42% 2.035 52.44% 32 1.063 1.062 -0.00051 99.95% 2.035 52.19% 41
1.063 1.062 -0.00033 99.97% 2.422 43.85% 42 1.063 1.086 0.02374
102.23% 2.422 44.85% 51 1.063 1.086 0.02374 102.23% 0.500 217.25%
52 1.063 1.066 0.00312 100.29% 0.500 213.13% 61 1.063 1.064 0.00138
100.13% 2.500 42.56% 62 1.063 1.062 -0.00029 99.97% 2.500 42.49%
ARS EHD ARS value ARS - EHD (ARS/EHD) % TP ARS/TP (%) 11 10.277
11.570 1.29361 112.59% 3.211 360.33% 12 4.870 7.286 2.41646 149.62%
3.211 226.90% 21 4.599 4.602 0.00248 100.05% 1.017 452.60% 22 3.578
4.149 0.57033 115.94% 1.017 408.04% 31 3.777 4.044 0.26706 107.07%
2.035 198.72% 32 3.568 3.568 -0.00009 100.00% 2.035 175.35% 41
2.175 2.177 0.00138 100.06% 2.422 89.86% 42 2.509 2.994 0.48482
119.33% 2.422 123.59% 51 2.508 2.992 0.48386 119.29% 0.500 598.33%
52 3.085 3.181 0.09588 103.11% 0.500 636.21% 61 3.821 3.914 0.09282
102.43% 2.500 156.55% 62 3.917 3.927 0.01033 100.26% 2.500
157.09%
The Fifth Embodiment
Embodiment 5
[0204] Please refer to FIG. 5A, FIG. 5B and FIG. 5C, FIG. 5A is a
schematic view of the optical image capturing system according to
the fifth embodiment of the present application, FIG. 5B is
longitudinal spherical aberration curves, astigmatic field curves,
and an optical distortion curve of the optical image capturing
system in the order from left to right according to the fifth
embodiment of the present application, and FIG. 5C is a lateral
aberration diagram of tangential fan, sagittal fan, the longest
operation wavelength and the shortest operation wavelength passing
through an edge of the entrance pupil and incident on the image
plane by 0.7 HOI according to the fifth embodiment of the present
application. As shown in FIG. 5A, in order from an object side to
an image side, the optical image capturing system includes a first
lens element 510, a second lens element 520, a third lens element
530, an aperture stop 500, a fourth lens element 540, a fifth lens
element 550, a sixth lens element 560, an IR-bandstop filter 580,
an image plane 590, and an image sensing device 592.
[0205] The first lens element 510 has negative refractive power and
it is made of glass material. The first lens element 510 has a
convex object-side surface 512 and a concave image-side surface
514, and both of the object-side surface 512 and the image-side
surface 514 are aspheric.
[0206] The second lens element 520 has negative refractive power
and it is made of glass material. The second lens element 520 has a
convex object-side surface 522 and a concave image-side surface
524, and both of the object-side surface 522 and the image-side
surface 524 are aspheric.
[0207] The third lens element 530 has positive refractive power and
it is made of glass material. The third lens element 530 has a
convex object-side surface 532 and a concave image-side surface
534, and both of the object-side surface 532 and the image-side
surface 534 are aspheric.
[0208] The fourth lens element 540 has positive refractive power
and it is made of glass material. The fourth lens element 540 has a
convex object-side surface 542 and a convex image-side surface 544,
and both of the object-side surface 542 and the image-side surface
544 are aspheric.
[0209] The fifth lens element 550 has negative refractive power and
it is made of glass material. The fifth lens element 550 has a
concave object-side surface 552 and a convex image-side surface
554, and both of the object-side surface 552 and the image-side
surface 554 are aspheric.
[0210] The sixth lens element 560 has positive refractive power and
it is made of glass material. The sixth lens element 560 has a
convex object-side surface 562 and a convex image-side surface 564.
Hereby, the back focal length is reduced to miniaturize the lens
element effectively. In addition, the angle of incident with
incoming light from an off-axis view field can be suppressed
effectively and the aberration in the off-axis view field can be
corrected further.
[0211] The IR-bandstop filter 580 is made of glass material without
affecting the focal length of the optical image capturing system
and it is disposed between the sixth lens element 560 and the image
plane 590.
[0212] In the optical image capturing system of the fifth
embodiment, a sum of focal lengths of all lens elements with
positive refractive power is .SIGMA.PP. The following relation is
satisfied: .SIGMA.PP=25.096 mm and f3/.SIGMA.PP=0.356. Hereby, it
is favorable for allocating the positive refractive power of a
single lens element to other positive lens elements and the
significant aberrations generated in the process of moving the
incident light can be suppressed.
[0213] In the optical image capturing system of the fifth
embodiment, a sum of focal lengths of all lens elements with
negative refractive power is .SIGMA.NP. The following relation is
satisfied: .SIGMA.NP=-22.710 mm and f1/.SIGMA.NP=0.484. Hereby, it
is favorable for allocating the negative refractive power of a
single lens element to other negative lens elements.
[0214] Please refer to the following Table 9 and Table 10.
The detailed data of the optical image capturing system of the
fifth embodiment is as shown in Table 9.
TABLE-US-00016 TABLE 9 Data of the optical image capturing system f
= 2.621 mm; f/HEP = 2.0; HAF = 90.000 deg Focal Surface # Curvature
Radius Thickness Material Index Abbe # length 0 Object Plano At
infinity 1 Lens 1 16.96636309 2.000 Glass 1.835 42.70 -10.998 2
5.653617366 5.119 3 Lens 2 25.92500341 1.017 Glass 1.835 42.70
-6.742 4 4.558423113 5.000 5 Lens 3 7.422119846 1.582 Glass 1.846
24.57 8.945 6 252.7484919 3.468 7 Ape. stop Plano 0.523 8 Lens 4
21.77183468 1.966 Glass 1.669 49.37 4.006 9 Lens 5 -2.957683742
0.500 Glass 1.847 23.80 -4.969 10 -10.53741358 0.100 11 Lens 6
10.80776185 2.286 Glass 1.517 64.13 12.145 12 -13.99698006 3.955 13
IR-bandstop Plano 1.500 BK_7 1.517 64.13 filter 14 Plano 1.043 15
Image Plano -0.058 plane Reference wavelength (d-line) = 555 nm
As for the parameters of the aspheric surfaces of the fifth
embodiment, reference is made to Table 10.
TABLE-US-00017 TABLE 10 Aspheric Coefficients Surface # 3 4 5 6 8 9
10 k 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 0.000000E+00 A4 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 A6
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 A8 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 A10
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00
[0215] The presentation of the aspheric surface formula in the
fifth embodiment is similar to that in the first embodiment.
Besides the definitions of parameters in following tables are equal
to those in the first embodiment so the repetitious details will
not be given here.
[0216] The following contents may be deduced from Table 9 and Table
10.
TABLE-US-00018 Fifth embodiment (Primary reference wavelength:
587.5 nm) | f/f1 | | f/f2 | | f/f3 | | f/f4 | | f/f5 | | f/f6 |
0.23828 0.38870 0.29298 0.65418 0.52739 0.21578 .SIGMA. PPR .SIGMA.
NPR .SIGMA. PPR/| .SIGMA. NPR | IN12/f IN56/f TP4/(IN34 + TP4 +
IN45) 1.16294 1.15437 1.00743 1.95319 0.03816 0.33010 | f1/f2 | |
f2/f3 | (TP1 + IN12)/TP2 (TP6 + IN56)/TP5 1.63129 0.75374 7.00172
4.77168 HOS InTL HOS/HOI InS/HOS ODT % TDT % 30.00000 23.56050
7.50000 0.39381 -100.01700 68.52910 HVT51 HVT52 HVT61 HVT62
HVT62/HOI HVT62/HOS 0 0 0.00000 0.00000 0.00000 0.00000 TP2/TP3
TP3/TP4 InRS61 InRS62 | InRS61 |/TP6 | InRS62 |/TP6 0.64272 0.80442
0.23109 -0.20234 0.10110 0.08852 PLTA PSTA NLTA NSTA SLTA SSTA
0.012 mm 0.028 mm 0.016 mm -0.017 mm -0.004 mm 0.015 mm
[0217] The numerical related to the length of outline curve is
shown according to table 9 and table 10.
TABLE-US-00019 Fifth embodiment (Reference wavelength = 555 nm) ARE
1/2(HEP) ARE value ARE - 1/2(HEP) 2(ARE/HEP) % TP ARE/TP (%) 11
0.655 0.655 -0.00000 100.00% 2.000 32.76% 12 0.655 0.656 0.00131
100.20% 2.000 32.82% 21 0.655 0.655 -0.00010 99.99% 1.017 64.43% 22
0.655 0.657 0.00211 100.32% 1.017 64.65% 31 0.655 0.656 0.00069
100.10% 1.582 41.46% 32 0.655 0.655 -0.00017 99.97% 1.582 41.41% 41
0.655 0.655 -0.00007 99.99% 1.966 33.31% 42 0.655 0.660 0.00531
100.81% 1.966 33.59% 51 0.655 0.660 0.00531 100.81% 0.500 132.10%
52 0.655 0.655 0.00026 100.04% 0.500 131.08% 61 0.655 0.655 0.00024
100.04% 2.286 28.67% 62 0.655 0.655 0.00007 100.01% 2.286 28.67%
ARS EHD ARS value ARS - EHD (ARS/EHD) % TP ARS/TP (%) 11 10.688
11.562 0.87436 108.18% 2.000 578.12% 12 5.573 7.919 2.34634 142.11%
2.000 395.94% 21 4.804 4.832 0.02781 100.58% 1.017 475.25% 22 3.614
4.173 0.55843 115.45% 1.017 410.43% 31 3.623 3.785 0.16151 104.46%
1.582 239.27% 32 3.460 3.460 0.00004 100.00% 1.582 218.73% 41 2.091
2.093 0.00240 100.11% 1.966 106.44% 42 2.284 2.610 0.32529 114.24%
1.966 132.71% 51 2.284 2.610 0.32529 114.24% 0.500 521.93% 52 2.683
2.712 0.02929 101.09% 0.500 542.37% 61 3.012 3.051 0.03946 101.31%
2.286 133.49% 62 3.196 3.224 0.02841 100.89% 2.286 141.06%
The Sixth Embodiment
Embodiment 6
[0218] Please refer to FIG. 6A, FIG. 6B and FIG. 6C, FIG. 6A is a
schematic view of the optical image capturing system according to
the sixth Embodiment of the present application, FIG. 6B is
longitudinal spherical aberration curves, astigmatic field curves,
and an optical distortion curve of the optical image capturing
system in the order from left to right according to the sixth
Embodiment of the present application, and FIG. 6C is a lateral
aberration diagram of tangential fan, sagittal fan, the longest
operation wavelength and the shortest operation wavelength passing
through an edge of the entrance pupil and incident on the image
plane by 0.7 HOI according to the sixth embodiment of the present
application. As shown in FIG. 6A, in order from an object side to
an image side, the optical image capturing system includes a first
lens element 610, a second lens element 620, a third lens element
630, an aperture stop 600, a fourth lens element 640, a fifth lens
element 650, a sixth lens element 660, an IR-bandstop filter 680,
an image plane 690, and an image sensing device 692.
[0219] The first lens element 610 has negative refractive power and
it is made of glass material. The first lens element 610 has a
convex object-side surface 612 and a concave image-side surface
614, and both of the object-side surface 612 and the image-side
surface 614 are aspheric.
[0220] The second lens element 620 has negative refractive power
and it is made of glass material. The second lens element 620 has a
convex object-side surface 622 and a concave image-side surface
624, and both of the object-side surface 622 and the image-side
surface 624 are aspheric.
[0221] The third lens element 630 has positive refractive power and
it is made of glass material. The third lens element 630 has a
convex object-side surface 632 and a concave image-side surface
634, and both of the object-side surface 632 and the image-side
surface 634 are aspheric.
[0222] The fourth lens element 640 has positive refractive power
and it is made of glass material. The fourth lens element 640 has a
convex object-side surface 642 and a convex image-side surface 644,
and both of the object-side surface 642 and the image-side surface
644 are aspheric.
[0223] The fifth lens element 650 has positive refractive power and
it is made of glass material. The fifth lens element 650 has a
convex object-side surface 652 and a convex image-side surface 654,
and both of the object-side surface 652 and the image-side surface
654 are aspheric.
[0224] The sixth lens element 660 has negative refractive power and
it is made of glass material. The sixth lens element 660 has a
concave object-side surface 662 and a convex image-side surface
664. Hereby, the back focal length is reduced to miniaturize the
lens element effectively. In addition, the angle of incident with
incoming light from an off-axis view field can be suppressed
effectively and the aberration in the off-axis view field can be
corrected further.
[0225] The IR-bandstop filter 680 is made of plastic material
without affecting the focal length of the optical image capturing
system and it is disposed between the sixth lens element 660 and
the image plane 690.
[0226] In the optical image capturing system of the sixth
embodiment, a sum of focal lengths of all lens elements with
positive refractive power is .SIGMA.PP. The following relations are
satisfied: .SIGMA.PP=31.888 mm and f3/.SIGMA.PP=0.650. Hereby, it
is favorable for allocating the positive refractive power of a
single lens element to other positive lens elements and the
significant aberrations generated in the process of moving the
incident light can be suppressed.
[0227] In the optical image capturing system of the sixth
embodiment, a sum of focal lengths of all lens elements with
negative refractive power is .SIGMA.NP. The following relations are
satisfied: .SIGMA.NP=-29.019 mm and f1/.SIGMA.NP=0.220. Hereby, it
is favorable for allocating the negative refractive power of a
single lens element to other negative lens elements.
[0228] Please refer to the following Table 11 and Table 12.
The detailed data of the optical image capturing system of the
sixth Embodiment is as shown in Table 11.
TABLE-US-00020 TABLE 11 Data of the optical image capturing system
f = 3.781 mm; f/HEP = 2.0; HAF = 70.001 deg Focal Surface #
Curvature Radius Thickness Material Index Abbe # length 0 Object
Plano At infinity 1 Lens 1 46.71018026 2.091 Glass 1.833 42.77
-6.390 2 4.696281858 7.479 3 Lens 2 7.184392586 0.500 Glass 1.556
54.23 -17.878 4 4.073260152 0.778 5 Lens 3 7.459085455 4.000 Glass
1.847 23.80 20.728 6 9.712976733 0.424 7 Ape. stop Plano 0.100 8
Lens 4 8.792717395 3.223 Glass 1.660 49.91 5.988 9 -6.169926191
0.100 10 Lens 5 11.64308311 2.652 Glass 1.605 53.87 5.172 11 Lens 6
-3.926490864 1.491 Glass 1.847 23.80 -4.751 12 -146.0787985 0.102
13 IR-bandstop Plano 1.500 BK_7 1.517 64.13 filter 14 Plano 5.387
15 Image plane Plano Reference wavelength (d-line) = 555 nm
As for the parameters of the aspheric surfaces of the sixth
Embodiment, reference is made to Table 12.
TABLE-US-00021 TABLE 12 Aspheric Coefficients Surface # 3 4 5 6 8 9
10 k 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 0.000000E+00 A4 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 A6
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 A8 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 A10
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00
[0229] In the sixth Embodiment, the presentation of the aspheric
surface formula is similar to that in the first embodiment.
Besides, the definitions of parameters in following tables are
equal to those in the first embodiment, so the repetitious details
will not be given here.
[0230] The following contents may be deduced from Table 11 and
Table 12.
TABLE-US-00022 Sixth Embodiment (Primary reference wavelength: 555
nm) | f/f1 | | f/f2 | | f/f3 | | f/f4 | | f/f5 | | f/f6 | 0.59169
0.21147 0.18239 0.63138 0.73099 0.79576 .SIGMA. PPR .SIGMA. NPR
.SIGMA. PPR/| .SIGMA. NPR | IN12/f IN56/f TP4/(IN34 + TP4 + IN45)
1.54477 1.59892 0.96613 1.97833 0.00000 0.83783 | f1/f2 | | f2/f3 |
(TP1 + IN12)/TP2 (TP6 + IN56)/TP5 0.35741 0.86249 19.14062 0.56230
HOS InTL HOS/HOI InS/HOS ODT % TDT % 29.82710 22.83820 7.45678
0.48797 -61.41320 43.38670 HVT51 HVT52 HVT61 HVT62 HVT62/HOI
HVT62/HOS 0 0 0.00000 0.00000 0.00000 0.00000 TP2/TP3 TP3/TP4
InRS61 InRS62 | InRS61 |/TP6 | InRS62 |/TP6 0.12500 1.24111
-1.61946 -0.03878 1.08610 0.02601 PLTA PSTA NLTA NSTA SLTA SSTA
-0.054 mm -0.027 mm -0.018 mm -0.023 mm -0.002 mm 0.003 mm
[0231] The numerical related to the length of outline curve is
shown according to table 11 and table 12.
TABLE-US-00023 Sixth embodiment (Reference wavelength = 555 nm) ARE
1/2(HEP) ARE value ARE - 1/2(HEP) 2(ARE/HEP) % TP ARE/TP (%) 11
0.945 0.945 -0.00011 99.99% 2.091 45.20% 12 0.945 0.951 0.00632
100.67% 2.091 45.51% 21 0.945 0.948 0.00257 100.27% 0.500 189.55%
22 0.945 0.954 0.00852 100.90% 0.500 190.74% 31 0.945 0.948 0.00237
100.25% 4.000 23.69% 32 0.945 0.946 0.00133 100.14% 4.000 23.66% 41
0.945 0.947 0.00166 100.18% 3.223 29.38% 42 0.945 0.949 0.00356
100.38% 3.223 29.44% 51 0.945 0.946 0.00087 100.09% 2.652 35.68% 52
0.945 0.954 0.00920 100.97% 2.652 35.99% 61 0.945 0.954 0.00920
100.97% 1.491 64.01% 62 0.945 0.945 -0.00017 99.98% 1.491 63.38%
ARS EHD ARS value ARS - EHD (ARS/EHD) % TP ARS/TP (%) 11 7.490
7.521 0.03157 100.42% 2.091 359.73% 12 4.237 5.280 1.04363 124.63%
2.091 252.54% 21 3.275 3.401 0.12533 103.83% 0.500 680.11% 22 2.984
3.349 0.36461 112.22% 0.500 669.73% 31 2.996 3.082 0.08615 102.88%
4.000 77.05% 32 2.476 2.503 0.02684 101.08% 4.000 62.56% 41 2.524
2.560 0.03600 101.43% 3.223 79.43% 42 2.423 2.489 0.06644 102.74%
3.223 77.23% 51 2.464 2.483 0.01866 100.76% 2.652 93.63% 52 2.484
2.688 0.20428 108.22% 2.652 101.37% 61 2.482 2.686 0.20357 108.20%
1.491 180.11% 62 2.752 2.751 -0.00063 99.98% 1.491 184.51%
The Seventh Embodiment
Embodiment 7
[0232] Please refer to FIG. 7A, FIG. 7B and FIG. 7C, FIG. 7A is a
schematic view of the optical image capturing system according to
the seventh Embodiment of the present application, FIG. 7B is
longitudinal spherical aberration curves, astigmatic field curves,
and an optical distortion curve of the optical image capturing
system in the order from left to right according to the seventh
Embodiment of the present application, and FIG. 7C is a lateral
aberration diagram of tangential fan, sagittal fan, the longest
operation wavelength and the shortest operation wavelength passing
through an edge of the entrance pupil and incident on the image
plane by 0.7 HOI according to the seventh embodiment of the present
application. As shown in FIG. 7A, in order from an object side to
an image side, the optical image capturing system includes a first
lens element 710, a second lens element 720, a third lens element
730, an aperture stop 700, a fourth lens element 740, a fifth lens
element 750, a sixth lens element 760, an IR-bandstop filter 780,
an image plane 790, and an image sensing device 792.
[0233] The first lens element 710 has negative refractive power and
it is made of glass material. The first lens element 710 has a
convex object-side surface 712 and a concave image-side surface
714, and both of the object-side surface 712 and the image-side
surface 714 are aspheric.
[0234] The second lens element 720 has negative refractive power
and it is made of glass material. The second lens element 720 has a
convex object-side surface 722 and a concave image-side surface
724, and both of the object-side surface 722 and the image-side
surface 724 are aspheric.
[0235] The third lens element 730 has positive refractive power and
it is made of glass material. The third lens element 730 has a
convex object-side surface 732 and a concave image-side surface
734, and both of the object-side surface 732 and the image-side
surface 734 are aspheric.
[0236] The fourth lens element 740 has positive refractive power
and it is made of glass material. The fourth lens element 740 has a
convex object-side surface 742 and a convex image-side surface 744,
and both of the object-side surface 742 and the image-side surface
744 are aspheric.
[0237] The fifth lens element 750 has positive refractive power and
it is made of glass material. The fifth lens element 750 has a
convex object-side surface 752 and a convex image-side surface 754,
and both of the object-side surface 752 and the image-side surface
754 are aspheric.
[0238] The sixth lens element 760 has negative refractive power and
it is made of glass material. The sixth lens element 760 has a
concave object-side surface 762 and a convex image-side surface
764. Hereby, the back focal length is reduced to miniaturize the
lens element effectively. In addition, the angle of incident with
incoming light from an off-axis view field can be suppressed
effectively and the aberration in the off-axis view field can be
corrected further.
[0239] The IR-bandstop filter 780 is made of glass material without
affecting the focal length of the optical image capturing system
and it is disposed between the sixth lens element 760 and the image
plane 790.
[0240] In the optical image capturing system of the seventh
embodiment, a sum of focal lengths of all lens elements with
positive refractive power is .SIGMA.PP. The following relations are
satisfied: .SIGMA.PP=40.907 mm and f3/.SIGMA.PP=0.771. Hereby, it
is favorable for allocating the positive refractive power of a
single lens element to other positive lens elements and the
significant aberrations generated in the process of moving the
incident light can be suppressed.
[0241] In the optical image capturing system of the seventh
embodiment, a sum of focal lengths of all lens elements with
negative refractive power is .SIGMA.NP. The following relations are
satisfied: .SIGMA.NP=-26.903 mm and f1/.SIGMA.NP=0.237. Hereby, it
is favorable for allocating the negative refractive power of a
single lens element to other negative lens elements.
[0242] Please refer to the following Table 13 and Table 14.
The detailed data of the optical image capturing system of the
seventh Embodiment is as shown in Table 13.
TABLE-US-00024 TABLE 13 Data of the optical image capturing system
f = 4.156 mm; f/HEP = 2.8; HAF = 60.000 deg Focal Surface #
Curvature Radius Thickness Material Index Abbe # length 0 Object
Plano At infinity 1 Lens 1 46.49320912 2.000 Glass 1.835 42.70
-6.366 2 4.69436922 6.547 3 Lens 2 7.72680755 0.500 Glass 1.555
58.91 -16.593 4 4.108930752 0.494 5 Lens 3 7.229317316 4.000 1.847
23.80 31.536 6 7.366242642 0.374 Glass 7 Ape. stop Plano 0.100 8
Lens 4 6.914164968 3.713 Glass 1.835 42.70 4.766 9 -7.151532421
0.360 10 Lens 5 16.30982058 2.488 Glass 1.609 53.53 4.605 11 Lens 6
-3.202837951 3.784 Glass 1.847 23.80 -3.945 12 -101.2926313 0.129
13 IR-bandstop Plano 1.500 BK_7 1.517 64.13 filter 14 Plano 4.010
15 Image plane Plano Reference wavelength (d-line) = 555 nm
As for the parameters of the aspheric surfaces of the seventh
Embodiment, reference is made to Table 14.
TABLE-US-00025 TABLE 14 Aspheric Coefficients Surface # 3 4 6 7 8 9
10 k 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 0.000000E+00 A4 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 A6
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 A8 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 A10
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00
[0243] In the seventh Embodiment, the presentation of the aspheric
surface formula is similar to that in the first embodiment.
Besides, the definitions of parameters in following tables are
equal to those in the first embodiment, so the repetitious details
will not be given here.
[0244] The following contents may be deduced from Table 13 and
Table 14.
TABLE-US-00026 Seventh Embodiment (Primary reference wavelength:
555 nm) | f/f1 | | f/f2 | | f/f3 | | f/f4 | | f/f5 | | f/f6 |
0.65292 0.25050 0.13180 0.87206 0.90258 1.05358 .SIGMA. PPR .SIGMA.
NPR .SIGMA. PPR/| .SIGMA. NPR | IN12/f IN56/f TP4/(IN34 + TP4 +
IN45) 1.90643 1.95699 0.97416 1.57526 0.00000 0.81660 | f1/f2 | |
f2/f3 | (TP1 + IN12)/TP2 (TP6 + IN56)/TP5 0.38366 0.52614 17.09472
1.52101 HOS InTL HOS/HOI InS/HOS ODT % TDT % 30.00000 24.36140
7.50000 0.53614 -44.3953 30.4008 HVT51 HVT52 HVT61 HVT62 HVT62/HOI
HVT62/HOS 0 0 0.00000 0.00000 0.00000 0.00000 TP2/TP3 TP3/TP4
InRS61 InRS62 | InRS61 |/TP6 | InRS62 |/TP6 0.12500 1.07719
-1.24982 -0.04685 0.33027 0.01238 PLTA PSTA NLTA NSTA SLTA SSTA
0.002 mm 0.003 mm 0.004 mm -0.001 mm 0.004 mm 0.003 mm
[0245] The numerical related to the length of outline curve is
shown according to table 13 and table 14.
TABLE-US-00027 Seventh embodiment (Reference wavelength = 555 nm)
ARE 1/2(HEP) ARE value ARE - 1/2(HEP) 2(ARE/HEP) % TP ARE/TP (%) 11
0.742 0.742 -0.00018 99.98% 2.000 37.10% 12 0.742 0.745 0.00292
100.39% 2.000 37.26% 21 0.742 0.743 0.00094 100.13% 0.500 148.63%
22 0.742 0.746 0.00389 100.52% 0.500 149.22% 31 0.742 0.743 0.00110
100.15% 4.000 18.58% 32 0.742 0.743 0.00105 100.14% 4.000 18.58% 41
0.742 0.743 0.00122 100.17% 3.713 20.02% 42 0.742 0.743 0.00113
100.15% 3.713 20.02% 51 0.742 0.742 0.00005 100.01% 2.488 29.83% 52
0.742 0.749 0.00660 100.89% 2.488 30.10% 61 0.742 0.749 0.00660
100.89% 3.784 19.79% 62 0.742 0.742 -0.00020 99.97% 3.784 19.61%
ARS EHD ARS value ARS - EHD (ARS/EHD) % TP ARS/TP (%) 11 6.137
6.155 0.01793 100.29% 2.000 307.75% 12 3.818 4.457 0.63953 116.75%
2.000 222.86% 21 2.692 2.749 0.05678 102.11% 0.500 549.72% 22 2.463
2.640 0.17736 107.20% 0.500 527.98% 31 2.459 2.508 0.04930 102.01%
4.000 62.70% 32 1.765 1.782 0.01727 100.98% 4.000 44.56% 41 1.874
1.897 0.02274 101.21% 3.713 51.08% 42 2.016 2.044 0.02758 101.37%
3.713 55.04% 51 2.025 2.030 0.00508 100.25% 2.488 81.60% 52 2.091
2.278 0.18694 108.94% 2.488 91.57% 61 2.090 2.276 0.18595 108.90%
3.784 60.14% 62 2.731 2.731 -0.00017 99.99% 3.784 72.18%
The Eighth Embodiment
Embodiment 8
[0246] Please refer to FIG. 8A, FIG. 8B and FIG. 8C, FIG. 8A is a
schematic view of the optical image capturing system according to
the eighth Embodiment of the present application, FIG. 8B is
longitudinal spherical aberration curves, astigmatic field curves,
and an optical distortion curve of the optical image capturing
system in the order from left to right according to the eighth
Embodiment of the present application, and FIG. 8C is a lateral
aberration diagram of tangential fan, sagittal fan, the longest
operation wavelength and the shortest operation wavelength passing
through an edge of the entrance pupil and incident on the image
plane by 0.7 HOI according to the eighth embodiment of the present
application. As shown in FIG. 8A, in order from an object side to
an image side, the optical image capturing system includes an
aperture stop 800, a first lens element 810, a second lens element
820, a third lens element 830, a fourth lens element 840, a fifth
lens element 850, a sixth lens element 860, an IR-bandstop filter
880, an image plane 890, and an image sensing device 892.
[0247] The first lens element 810 has positive refractive power and
it is made of plastic material. The first lens element 810 has a
convex object-side surface 812 and a concave image-side surface
814, both of the object-side surface 812 and the image-side surface
814 are aspheric, and the image-side surface 814 has an inflection
point.
[0248] The second lens element 820 has negative refractive power
and it is made of plastic material. The second lens element 820 has
a concave object-side surface 822 and a concave image-side surface
824, and both of the object-side surface 822 and the image-side
surface 824 are aspheric. The image-side surface 824 has two
inflection points.
[0249] The third lens element 830 has negative refractive power and
it is made of plastic material. The third lens element 830 has a
convex object-side surface 832 and a concave image-side surface
834, and both of the object-side surface 832 and the image-side
surface 834 are aspheric. The object-side surface 832 and the
image-side surface 834 both have an inflection point.
[0250] The fourth lens element 840 has positive refractive power
and it is made of plastic material. The fourth lens element 840 has
a concave object-side surface 842 and a convex image-side surface
844, and both of the object-side surface 842 and the image-side
surface 844 are aspheric. The object-side surface 842 has three
inflection points.
[0251] The fifth lens element 850 has positive refractive power and
it is made of plastic material. The fifth lens element 850 has a
convex object-side surface 852 and a convex image-side surface 854,
and both of the object-side surface 852 and the image-side surface
854 are aspheric. The object-side surface 852 has three inflection
points and the image-side surface 854 has an inflection point.
[0252] The sixth lens element 860 has negative refractive power and
it is made of plastic material. The sixth lens element 860 has a
concave object-side surface 862 and a concave image-side surface
864. The object-side surface 862 has two infection points and the
image-side surface 864 has an inflection point. Hereby, the back
focal length is reduced to miniaturize the lens element
effectively. In addition, the angle of incident with incoming light
from an off-axis view field can be suppressed effectively and the
aberration in the off-axis view field can be corrected further.
[0253] The IR-bandstop filter 880 is made of glass material without
affecting the focal length of the optical image capturing system
and it is disposed between the sixth lens element 860 and the image
plane 890.
[0254] In the optical image capturing system of the eighth
embodiment, a sum of focal lengths of all lens elements with
positive refractive power is .SIGMA.PP. The following relations are
satisfied: .SIGMA.PP=12.785 mm and f5/.SIGMA.PP=0.10. Hereby, it is
favorable for allocating the positive refractive power of a single
lens element to other positive lens elements and the significant
aberrations generated in the process of moving the incident light
can be suppressed.
[0255] In the optical image capturing system of the sixth
embodiment, a sum of focal lengths of all lens elements with
negative refractive power is .SIGMA.NP. The following relations are
satisfied: .SIGMA.NP=-112.117 mm and f6/.SIGMA.NP=0.009. Hereby, it
is favorable for allocating the negative refractive power of a
single lens element to other negative lens elements.
[0256] Please refer to the following Table 15 and Table 16.
The detailed data of the optical image capturing system of the
eighth Embodiment is as shown in Table 15.
TABLE-US-00028 TABLE 15 Data of the optical image capturing system
f = 3.213 mm; f/HEP = 2.4; HAF = 50.015 deg Focal Surface #
Curvature Radius Thickness Material Index Abbe # length 0 Object
Plano At infinity 1 Shading Plano 0.000 sheet 2 Ape. stop Plano
-0.108 3 Lens 1 2.117380565 0.267 Plastic 1.565 58.00 6.003 4
5.351202213 0.632 5 Lens 2 -70.37596785 0.230 Plastic 1.517 21.40
-11.326 6 8.30936549 0.050 7 Lens 3 7.333171865 0.705 Plastic 1.565
58.00 -99.749 8 6.265499794 0.180 9 Lens 4 -71.32533363 0.832
Plastic 1.565 58.00 5.508 10 -3.003657909 0.050 11 Lens 5
3.397431079 0.688 Plastic 1.583 30.20 1.274 12 -0.886432266 0.050
13 Lens 6 -3.715425702 0.342 Plastic 1.650 21.40 -1.042 14
0.867623637 0.700 15 IR-bandstop Plano 0.200 1.517 64.13 filter 16
Plano 0.407 17 Image plane Plano Reference wavelength (d-line) =
555 nm, shield position: clear aperture (CA) of the first plano =
0.640 mm
As for the parameters of the aspheric surfaces of the eighth
Embodiment, reference is made to Table 16.
TABLE-US-00029 TABLE 16 Aspheric Coefficients Surface # 3 4 5 6 7 8
9 k -1.486403E+00 2.003790E+01 -4.783682E+01 -2.902431E+01
-5.000000E+01 -5.000000E+01 -5.000000E+01 A4 2.043654E-02
-2.642626E-02 -6.237485E-02 -4.896336E-02 -7.363667E-02
-5.443257E-02 3.105497E-02 A6 -2.231403E-04 -4.147746E-02
-8.137705E-02 -1.981368E-02 1.494245E-02 1.263891E-04 -1.532514E+01
A8 -1.387235E-02 2.901026E-02 4.589961E-02 3.312952E-03
6.252296E-03 -9.655324E-03 -6.443603E+04 A10 -3.431740E-02
-9.512960E-02 -5.485574E-02 5.634445E-03 -2.226544E-03 1.318692E-03
4.321089E-04 A12 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 A14
0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00
0.000000E+00 0.000000E+00 Surface # 10 11 12 13 14 k 8.520005E-01
-5.000000E+01 -4.524978E+00 -5.000000E+01 -4.286435E+00 A4
-6.786287E-03 -9.520247E-02 -4.666187E-02 5.856863E-03
-2.635938E-02 A6 6.693976E-03 -5.507560E-05 3.849227E-03
2.442214E-03 3.694093E-03 A8 8.220809E-04 1.932773E-03 1.041053E-03
-2.201034E-03 -1.355873E-04 A10 -2.798394E-04 3.346274E-04
4.713339E-06 -1.065215E-04 -5.321575E-05 A12 0.000000E+00
1.125736E-05 -2.834871E-06 1.227641E-04 6.838440E-06 A14
0.000000E-00 -1.671951E-05 -2.293810E-06 -1.181115E-05
-2.530792E-07
[0257] In the eighth Embodiment, the presentation of the aspheric
surface formula is similar to that in the first embodiment.
Besides, the definitions of parameters in following tables are
equal to those in the first embodiment, so the repetitious details
will not be given here.
[0258] The following contents may be deduced from Table 15 and
Table 16.
TABLE-US-00030 Eighth Embodiment (Primary reference wavelength: 555
nm) | f/f1 | | f/f2 | | f/f3 | | f/f4 | | f/f5 | | f/f6 | 0.53529
0.28371 0.03221 0.58335 2.52139 3.08263 .SIGMA. PPR .SIGMA. NPR
.SIGMA. PPR/| .SIGMA. NPR | IN12/f IN56/f TP4/(IN34 + TP4 + IN45)
6.72266 0.84594 7.94700 0.19680 0.01556 0.78362 | f1/f2 | | f2/f3 |
(TP1 + IN12)/TP2 (TP6 + IN56)/TP5 0.53001 0.11354 3.90947 0.56888
HOS InTL HOS/HOI InS/HOS ODT % TDT % 5.33002 4.02576 1.36178
0.97981 1.92371 1.09084 HVT51 HVT52 HVT61 HVT62 HVT62/HOI HVT62/HOS
0.67483 0 0.00000 2.23965 0.57222 0.42020 TP2/TP3 TP3/TP4 InRS61
InRS62 | InRS61 |/TP6 | InRS62 |/TP6 0.32631 0.84713 -0.74088
-0.06065 2.16896 0.17755 PLTA PSTA NLTA NSTA SLTA SSTA 0.005 mm
-0.003 mm 0.010 mm 0.006 mm 0.004 mm 0.003 mm
[0259] The numerical related to the length of outline curve is
shown according to table 15 and table 16.
TABLE-US-00031 Eighth embodiment (Primary reference wavelength =
555 nm) ARE 1/2(HEP) ARE value ARE - 1/2(HEP) 2(ARE/HEP) % TP
ARE/TP (%) 11 0.648 0.658 0.01023 101.58% 0.267 246.73% 12 0.670
0.670 0.00041 100.06% 0.267 251.19% 21 0.670 0.670 0.00002 100.00%
0.230 291.24% 22 0.670 0.669 -0.00064 99.90% 0.230 290.95% 31 0.670
0.669 -0.00063 99.91% 0.705 94.94% 32 0.670 0.669 -0.00046 99.93%
0.705 94.97% 41 0.670 0.669 -0.00082 99.88% 0.832 80.40% 42 0.670
0.675 0.00511 100.76% 0.832 81.12% 51 0.670 0.670 -0.00003 100.00%
0.688 97.31% 52 0.670 0.702 0.03243 104.84% 0.688 102.02% 61 0.670
0.671 0.00099 100.15% 0.342 196.39% 62 0.670 0.699 0.02890 104.31%
0.342 204.56% ARS EHD ARS value ARS - EHD (ARS/EHD) % TP ARS/TP (%)
11 0.648 0.658 0.01023 101.58% 0.267 246.73% 12 0.697 0.697 0.00042
100.06% 0.267 261.33% 21 0.994 1.026 0.03192 103.21% 0.230 446.16%
22 1.255 1.259 0.00315 100.25% 0.230 547.21% 31 1.383 1.385 0.00192
100.14% 0.705 196.48% 32 1.604 1.816 0.21279 113.27% 0.705 257.68%
41 1.876 1.908 0.03181 101.70% 0.832 229.32% 42 2.027 2.193 0.16648
108.21% 0.832 263.61% 51 2.038 2.282 0.24376 111.96% 0.688 331.49%
52 2.144 2.485 0.34081 115.89% 0.688 361.03% 61 2.411 2.624 0.21261
108.82% 0.342 768.18% 62 3.309 3.686 0.37664 111.38% 0.342
1078.99%
[0260] The following contents may be deduced from Table 15 and
Table 16.
TABLE-US-00032 Related inflection point values of eighth Embodiment
(Primary reference wavelength: 555 nm) HIF121 0.57452 HIF121/HOI
0.14679 SGI121 0.02858 |SGI121|/(|SGI121| + TP1) 0.09675 HIF221
0.40206 HIF221/HOI 0.10272 SGI221 0.00821 |SGI221|/(|SGI221| + TP2)
0.03448 HIF222 1.11769 HIF222/HOI 0.28556 SGI222 -0.02234
|SGI222|/(|SGI222| + TP2) 0.08853 HIF311 0.37391 HIF311/HOI 0.09553
SGI311 0.00785 |SGI311|/(|SGI311| + TP3) 0.01102 HIF321 0.42061
HIF321/HOI 0.10746 SGI321 0.01170 |SGI321|/(|SGI321| + TP3) 0.01633
HIF411 0.19878 HIF411/HOI 0.05079 SGI411 -0.00023
|SGI411|/(|SGI411| + TP4) 0.00028 HIF412 0.87349 HIF412/HOI 0.22317
SGI412 0.00583 |SGI412|/(|SGI412| + TP4) 0.00695 HIF413 1.87638
HIF413/HOI 0.47940 SGI413 -0.17360 |SGI413|/(|SGI413| + TP4)
0.17263 HIF511 0.36373 HIF511/HOI 0.09293 SGI511 0.015644
|SGI511|/(|SGI511| + TP5) 0.02222 HIF512 1.7159 HIF512/HOI 0.43840
SGI512 -0.446747 |SGI512|/(|SGI512| + TP5) 0.39358 HIF513 1.93653
HIF513/HOI 0.49477 SGI513 -0.638544 |SGI513|/(|SGI513| + TP5)
0.48124 HIF521 1.54767 HIF521/HOI 0.39542 SGI521 -0.792114
|SGI521|/(|SGI521| + TP5) 0.53505 HIF611 0.82168 HIF611/HOI 0.20993
SGI611 -0.060958 |SGI611|/(|SGI611| + TP6) 0.15143 HIF612 0.98146
HIF612/HOI 0.25076 SGI612 -0.07785 |SGI612|/(|SGI612| + TP6)
0.18561 HIF621 0.79476 HIF621/HOI 0.20306 SGI621 0.238143
|SGI621|/(|SGI621| + TP6) 0.41079
[0261] The above-mentioned descriptions represent merely the
exemplary embodiment of the present disclosure, without any
intention to limit the scope of the present disclosure thereto.
Various equivalent changes, alternations or modifications based on
the claims of present disclosure are all consequently viewed as
being embraced by the scope of the present disclosure.
* * * * *