CN106154513B - Optical lens assembly, image capturing device and electronic device - Google Patents
Optical lens assembly, image capturing device and electronic device Download PDFInfo
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Abstract
本发明揭露一种光学镜头组、取像装置及电子装置。光学镜头组由物侧至像侧依序包含第一透镜、第二透镜、第三透镜、第四透镜、第五透镜、第六透镜以及第七透镜。第一透镜具有正屈折力，其物侧表面近光轴处为凸面。第二透镜具有屈折力。第三透镜具有屈折力。第四透镜具有屈折力。第五透镜具有屈折力，其像侧表面近光轴处为凹面。第六透镜具有屈折力，其物侧表面近光轴处为凹面，其物侧表面及像侧表面皆为非球面。第七透镜具有屈折力，其像侧表面近光轴处为凹面，其像侧表面离轴处包含至少一凸面，其物侧表面及像侧表面皆为非球面。当满足特定条件时，可兼具大光圈、短总长与大视角。本发明还公开具有上述光学镜头组的取像装置及电子装置。
The present invention discloses an optical lens group, an imaging device and an electronic device. The optical lens group includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens in order from the object side to the image side. The first lens has a positive refractive power, and its object side surface near the optical axis is a convex surface. The second lens has a refractive power. The third lens has a refractive power. The fourth lens has a refractive power. The fifth lens has a refractive power, and its image side surface near the optical axis is a concave surface. The sixth lens has a refractive power, and its object side surface near the optical axis is a concave surface, and its object side surface and image side surface are both aspherical surfaces. The seventh lens has a refractive power, and its image side surface near the optical axis is a concave surface, and its image side surface includes at least one convex surface at the off-axis position, and its object side surface and image side surface are both aspherical surfaces. When specific conditions are met, a large aperture, a short total length and a large viewing angle can be achieved. The present invention also discloses an imaging device and an electronic device having the above optical lens group.
Description
Technical field
The invention relates to a kind of optical lens group and image-taking devices, and fill in particular to a kind of apply in electronics
The miniaturized optical lens group and image-taking device set.
Background technique
In recent years, with the rise of the electronic product with camera function, the demand of optical system is increasingly improved.General light
The photosensitive element of system is nothing more than being photosensitive coupling element (Charge Coupled Device, CCD) or complementary gold oxide
Belong to two kinds of semiconductor element (Complementary Metal-Oxide Semiconductor Sensor, CMOS Sensor),
And progressing greatly with manufacture of semiconductor technology, so that the Pixel Dimensions of photosensitive element reduce, optical system is gradually led toward high pixel
Domain development, therefore the requirement to image quality also increasingly increases.
Tradition is equipped on the optical system on electronic product and mostly uses four or five chip lens arrangements, and in smart phone
The high standards mobile device such as (Smart phones) and portable apparatus (Portable devices) it is prevailing under, optical system
System develops towards the direction of big imaging area and miniature size, and the image-taking device arranged in pairs or groups also needs corresponding miniaturization.However
Known optical system has both the demand of large aperture Yu short overall length due to being not easy, and therefore, it is difficult to be equipped on frivolous electronic device
On.
Though making further progress six chip optical systems at present, in product towards the same of large aperture and Miniaturization Design
When, often due to the face shape of lens configure it is bad and lead to the problem of image curvature, height distort and relative illumination it is bad.
Summary of the invention
The present invention provides a kind of optical lens group, image-taking device and electronic device, the 5th lens and the 7th lens
The configuration of face shape, facilitates the characteristic for having both large aperture and short overall length, is suitable for application in frivolous electronic device.Furthermore due to
The configuration of six lens radius of curvature and optical lens group focal length can have in the optical lens group for taking into account large aperture and miniaturization
Effect reduces image curvature and distorts degree, and has optimization relative illumination effect, optimizes the configuration of lens face shape deflection.
A kind of optical lens group is provided according to the present invention, sequentially includes the first lens, the second lens, by object side to image side
Three lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.First lens have positive refracting power, object side surface
It is convex surface at dipped beam axis.Second lens have refracting power.The third lens have refracting power, are convex at the dipped beam axis of object side surface
Face.4th lens have refracting power.5th lens have refracting power, are concave surface at the dipped beam axis of image side surface.6th lens tool
There is refracting power, is concave surface at the dipped beam axis of object side surface, object side surface and image side surface are all aspherical.7th lens have
Refracting power, is concave surface at the dipped beam axis of image side surface, and image side surface locate to include an at least convex surface, object side surface and picture off axis
Side surface is all aspherical.Lens in optical lens group with refracting power are seven, all have one between two adjacent lens
Spacing distance, the radius of curvature of the 6th lens object side surface are R11, and the focal length of optical lens group is f, meet following condition:
R11/f<0。
A kind of image-taking device is more provided according to the present invention, includes optical lens group as mentioned in the previous paragraph and the photosensitive member of electronics
Part, wherein electronics photosensitive element is set to the imaging surface of optical lens group.
A kind of electronic device is separately provided according to the present invention, includes image-taking device as mentioned in the previous paragraph.
A kind of optical lens group is provided again according to the present invention, by object side to image side sequentially include the first lens, the second lens,
The third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.First lens have positive refracting power, object side table
It is convex surface at the dipped beam axis of face.Second lens have negative refracting power.The third lens have refracting power.4th lens have refracting power.
5th lens have refracting power, are concave surface at the dipped beam axis of image side surface.6th lens have refracting power, image side surface dipped beam
It is convex surface at axis.7th lens have refracting power, be at convex surface and image side surface dipped beam axis at the dipped beam axis of object side surface are recessed
Face, image side surface are located off axis comprising an at least convex surface, and object side surface and image side surface are all aspherical.In optical lens group
Lens with refracting power are seven, all have a spacing distance between two adjacent lens.
A kind of image-taking device is provided again according to the present invention, includes optical lens group as mentioned in the previous paragraph and the photosensitive member of electronics
Part, wherein electronics photosensitive element is set to the imaging surface of optical lens group.
A kind of electronic device is more provided according to the present invention, includes image-taking device as mentioned in the previous paragraph.
When | R11/f | when meeting above-mentioned condition, it can be effectively reduced in the optical lens group for taking into account large aperture and miniaturization
Image curvature provides suitable relative illumination, and facilitates the configuration of lens face shape deflection.
Detailed description of the invention
Fig. 1 is painted a kind of schematic diagram of image-taking device according to first embodiment of the invention；
Fig. 2 is sequentially spherical aberration, astigmatism and the distortion curve graph of first embodiment from left to right；
Fig. 3 is painted a kind of schematic diagram of image-taking device according to second embodiment of the invention；
Fig. 4 is sequentially spherical aberration, astigmatism and the distortion curve graph of second embodiment from left to right；
Fig. 5 is painted a kind of schematic diagram of image-taking device according to third embodiment of the invention；
Fig. 6 is sequentially spherical aberration, astigmatism and the distortion curve graph of 3rd embodiment from left to right；
Fig. 7 is painted a kind of schematic diagram of image-taking device according to fourth embodiment of the invention；
Fig. 8 is sequentially spherical aberration, astigmatism and the distortion curve graph of fourth embodiment from left to right；
Fig. 9 is painted a kind of schematic diagram of image-taking device according to fifth embodiment of the invention；
Figure 10 is sequentially spherical aberration, astigmatism and the distortion curve graph of the 5th embodiment from left to right；
Figure 11 is painted a kind of schematic diagram of image-taking device according to sixth embodiment of the invention；
Figure 12 is sequentially spherical aberration, astigmatism and the distortion curve graph of sixth embodiment from left to right；
Figure 13 is painted the schematic diagram according to parameter Sag52 in Fig. 1 first embodiment；
Figure 14 is painted the schematic diagram according to parameter Yc32 in Fig. 3 second embodiment；
Figure 15 is painted the schematic diagram according to parameter Yc72 in Fig. 3 second embodiment；
Figure 16 is painted a kind of schematic diagram of electronic device according to seventh embodiment of the invention；
Figure 17 is painted a kind of schematic diagram of electronic device according to eighth embodiment of the invention；And
Figure 18 is painted a kind of schematic diagram of electronic device according to ninth embodiment of the invention.
[symbol description]
Electronic device: 10,20,30
Image-taking device: 11,21,31
Aperture: 100,200,300,400,500,600
First lens: 110,210,310,410,510,610
Object side surface: 111,211,311,411,511,611
Image side surface: 112,212,312,412,512,612
Second lens: 120,220,320,420,520,620
Object side surface: 121,221,321,421,521,621
Image side surface: 122,222,322,422,522,622
The third lens: 130,230,330,430,530,630
Object side surface: 131,231,331,431,531,631
Image side surface: 132,232,332,432,532,632
4th lens: 140,240,340,440,540,640
Object side surface: 141,241,341,441,541,641
Image side surface: 142,242,342,442,542,642
5th lens: 150,250,350,450,550,650
Object side surface: 151,251,351,451,551,651
Image side surface: 152,252,352,452,552,652
6th lens: 160,260,360,460,560,660
Object side surface: 161,261,361,461,561,661
Image side surface: 162,262,362,462,562,662
7th lens: 170,270,370,470,570,670
Object side surface: 171,271,371,471,571,671
Image side surface: 172,272,372,472,572,672
Infrared ray filters out filter element: 180,280,380,480,580,680
Imaging surface: 190,290,390,490,590,690
Electronics photosensitive element: 195,295,395,495,595,695
F: the focal length of optical lens group
Fno: the f-number of optical lens group
HFOV: the half at maximum visual angle in optical lens group
The abbe number of V2: the second lens
The abbe number of V5: the five lens
Sd: aperture to the 7th lens image side surface is in the distance on optical axis
Td: the first lens object side surface to the 7th lens image side surface is in the distance on optical axis
EPD: the entrance pupil diameter of optical lens group
CT5: the five lens are in the thickness on optical axis
CT6: the six lens are in the thickness on optical axis
CT7: the seven lens are in the thickness on optical axis
The CT: the first lens of Σ, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th are thoroughly
Mirror is in the thickness summation on optical axis
TL: the first lens object side surface is to imaging surface in the distance on optical axis
ImgH: the maximum image height of optical lens group
Intersection point of Sag52: the five lens image side surface on optical axis to the 5th lens image side surface maximum effective radius
Position is in the horizontal displacement of optical axis
Yc32: the vertical range of critical point and optical axis that the third lens image side surface is located off axis
The vertical range of critical point and optical axis that Yc72: the seven lens image side surface is located off axis
The radius of curvature of R11: the six lens object side surface
The radius of curvature of R13: the seven lens object side surface
The radius of curvature of R14: the seven lens image side surface
F345: the synthesis focal length of the third lens, the 4th lens and the 5th lens
Specific embodiment
A kind of optical lens group, by object side to image side sequentially include the first lens, the second lens, the third lens, the 4th thoroughly
Mirror, the 5th lens, the 6th lens and the 7th lens, wherein the lens in optical lens group with refracting power are seven.
The first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th of optical lens group described in leading portion
In lens and the 7th lens, all there is a spacing distance between the wantonly two adjacent lens with refracting power；That is, optical frames
Head group has seven single unbonded lens.Since the more non-adhering lens of the processing procedure of cemented lens are complicated, especially in two lens
Adhesive surface need to possess the curved surface of high accuracy, to reach the high adaptation when bonding of two lens, and during bonding,
Adaptation may be caused bad because of deviation, influence whole optical imagery quality.Therefore, in optical lens group of the present invention, wantonly two
The problem that all there is a spacing distance between the adjacent lens with refracting power, cemented lens can be effectively improved.
First lens have positive refracting power, are convex surface at the dipped beam axis of object side surface, so as to the first lens of appropriate adjustment
Positive refracting power intensity facilitates the total length for shortening optical lens group.
It can be concave surface at the dipped beam axis of the third lens image side surface, image side surface is located to include an at least convex surface off axis, so as to
The aberration of modified off-axis visual field.
It can be convex surface at 4th lens object side surface dipped beam axis, so as to correcting spherical aberration, effectively promote image quality.
It is concave surface at 5th lens image side surface dipped beam axis, whereby, optimized lens shape design is to help to expand
Visual angle and aperture.
It can be concave surface at 6th lens object side surface dipped beam axis, can be convex surface at the dipped beam axis of image side surface, whereby, effectively
Astigmatism is corrected to promote image quality.
It is concave surface at 7th lens image side surface dipped beam axis, image side surface is located to have whereby comprising an at least convex surface off axis
Effect compacting light is incident in the angle on electronics photosensitive element, makes optical lens group obtain more sensitively incuding, and have improvement
The effect of surrounding image quality and relative illumination.
The radius of curvature of 6th lens object side surface is R11, and the focal length of optical lens group is f, meets following condition:
R11/f<0.Whereby, image curvature can be effectively reduced, suitable phase is provided in the optical lens group for taking into account large aperture and miniaturization
To illumination, and facilitate the configuration of lens face shape deflection.
First lens object side surface to the 7th lens image side surface is Td in the distance on optical axis, and the first lens, second are thoroughly
Mirror, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens are Σ CT in the thickness summation on optical axis,
Meet following condition: CT < 1.45 1.0 < Td/ Σ.Whereby, it can be ensured that the tightness between lens, to avoid the interval distance between lens
The difficulty for causing group to load onto from excessive.
The abbe number of second lens is V2, and the abbe number of the 5th lens is V5, meets following condition: 30 < V2+V5
<85.Whereby, it can be configured by the negative refracting power of the second lens and the 5th lens and effectively improve image quality.
The radius of curvature of 7th lens image side surface is R14, and the focal length of optical lens group is f, meets following condition: 0 <
R14/f<0.60.Whereby, the principal point of optical lens group can be made far from the image side of optical lens group, be conducive to shorten back focal length to tie up
Hold miniaturization.
The focal length of optical lens group is f, and the synthesis focal length of the third lens, the 4th lens and the 5th lens is f345, is expired
Foot column condition: 0 < f/f345 < 1.0.Whereby, the third lens, the face deformationization of the 4th lens and the 5th lens can more mitigate,
Be conducive to becoming second nature and assembling for optical lens group, be also conducive to compared with low sensitivity and be suitble to the configuration of imaging.
Intersection point of 5th lens image side surface on optical axis to the 5th lens image side surface maximum effective radius position in
The horizontal displacement of optical axis is Sag52, and the 5th lens are in, with a thickness of CT5, meeting following condition on optical axis: | Sag52 |/
CT5<0.55.Whereby, can make the shape of lens will not excessively be bent, and in addition to the production and molding that are conducive to lens, be more conducive to
Make the configuration of optical lens group more closely.Preferably, following condition can be met: | Sag52 |/CT5 < 0.50.
6th lens are in a thickness of CT6, the 7th lens are on optical axis, with a thickness of CT7, meeting following item on optical axis
Part: CT6/CT7 < 2.50.Whereby, it can avoid that the 6th lens centre is blocked up or the 7th lens are excessively thin and causes lens arrangement fragile,
The degree of difficulty loaded into reduction group.
Optical lens group can include also an aperture, be set between object and the third lens, wherein aperture to the 7th
Lens image side surface is Sd in the distance on optical axis, the first lens object side surface to the 7th lens image side surface on optical axis away from
From for Td, meet following condition: 0.80 < Sd/Td < 1.0.Whereby, optical lens group can be made to take in telecentricity and wide-angle characteristic
Obtain whole total length that is well balanced, and maintaining miniaturization.
First lens object side surface to the 7th lens image side surface is Td, the incidence of optical lens group in the distance on optical axis
Pupil diameter is EPD, meets following condition: Td/EPD < 3.20.Whereby, the light-inletting quantity of optical lens group can be increased, and tieed up simultaneously
Hold its miniaturization.
The vertical range of critical point and optical axis that the third lens image side surface is located off axis is Yc32, the 7th lens image side surface
The vertical range of the critical point and optical axis located off axis is Yc72, meets following condition: 0.3 < Yc32/Yc72 < 0.75.Whereby,
Can assisted image periphery light shrink, the relative illumination and image definition of optical lens group can be effectively improved.
First lens object side surface to imaging surface in the distance on optical axis be TL (when optical lens group include flat-panel component
When, TL includes flat-panel component thickness), the maximum image height of optical lens group is ImgH, meet following condition: TL/ImgH <
1.80.Whereby, it can effectively shorten the total length of optical lens group, maintain its miniaturization.
The focal length of optical lens group is f, and the maximum image height of optical lens group is ImgH, meets following condition: f/ImgH <
1.40.Whereby, be conducive to expand optical lens group visual angle and reduce to distort.
The half at the maximum visual angle of optical lens group is HFOV, meets following condition: 0.70 < tan (HFOV).Whereby,
Optical lens group can have the characteristic at big visual angle, to obtain wide imaging range.
The radius of curvature of 7th lens object side surface is R13, and the radius of curvature on the 7th lens image side surface is R14, is expired
Foot column condition: 0.30 < (R13+R14)/(R13-R14).Whereby, back focal length can be effectively shortened, in favor of maintaining miniaturization.
In optical lens group provided by the invention, the material of lens can be plastic cement or glass.When lens material be plastic cement,
Production cost can be effectively reduced.It is another when the material of lens is glass, then can increase the configuration of optical lens group refracting power from
By spending.In addition, the object side surface and image side surface in optical lens group can be aspherical (ASP), it is aspherical to be easy to make
At the shape other than spherical surface, more controlled variable is obtained, to cut down aberration, and then reduces the number that lens use, therefore
The total length of optical lens group of the present invention can be effectively reduced.
Furthermore in optical lens group provided by the invention, if lens surface is convex surface and does not define the convex surface position,
Indicate that the lens surface is convex surface at dipped beam axis；If lens surface is concave surface and does not define the concave surface position, then it represents that should
Lens surface is concave surface at dipped beam axis.In optical lens group provided by the invention, if lens have positive refracting power or negative flexion
The focal length of power or lens all refers to refracting power or focal length at lens dipped beam axis.
In optical lens group provided by the invention, critical point (Critical Point) is to remove and optical axis on lens surface
Intersection point outside, with a point of contact tangent perpendicular to the section of optical axis.
In addition, an at least diaphragm settable on demand helps to mention in optical lens group of the present invention to reduce stray light
Rise image quality.
The imaging surface (Image Surface) of optical lens group of the invention, not according to its corresponding electronics photosensitive element
Together, it can be a flat surface or be had the curved surface of any curvature, particularly relate to concave surface towards the curved surface toward object side direction.
In optical lens group of the invention, aperture configuration can for preposition aperture or in set aperture, wherein preposition aperture implies that
Aperture is set between object and the first lens, in set aperture then and indicate that aperture is set between the first lens and imaging surface.If light
Circle is preposition aperture, and the outgoing pupil (Exit Pupil) of optical lens group and imaging surface can be made to generate longer distance, make its tool
The CCD or CMOS for having telecentricity (Telecentric) effect, and can increasing electronics photosensitive element receive the efficiency of image；If in
Aperture is set, the field angle of expansion system is facilitated, makes optical lens group that there is the advantage of wide-angle lens.
The more visual demand of optical lens group of the invention is applied in the optical system of mobile focusing, and has both excellent aberration
The characteristic of amendment and good image quality.Also many-sided can be applied to three-dimensional (3D) image capture, digital camera, mobile product,
Digital flat panel, smart television, network monitoring device, somatic sensation television game machine, automobile data recorder, reversing developing apparatus, industrial robot
In the electronic devices such as wearable product.
The present invention separately provides a kind of image-taking device, includes optical lens group above-mentioned and electronics photosensitive element, wherein electricity
Sub- photosensitive element is set to the imaging surface of optical lens group.It is configured, is facilitated by the face shape of its 5th lens and the 7th lens
The characteristic for having both large aperture and short overall length is suitable for the application of in frivolous electronic device.Furthermore due to the 6th lens radius of curvature with
The configuration of optical lens group focal length can be effectively reduced image curvature, provide in the optical lens group for taking into account large aperture and miniaturization
Suitable relative illumination, and facilitate the configuration of lens face shape deflection.Preferably, image-taking device can further include lens barrel (Barrel
Member), support device (Holder Member) or combinations thereof.
The present invention provides a kind of electronic device, includes image-taking device above-mentioned.Whereby, there can be large viewing.Preferably,
Electronic device can further include control unit (Control Unit), display unit (Display), storage element (Storage
Unit), random access memory (RAM) or combinations thereof.
According to above embodiment, specific embodiment set forth below simultaneously cooperates attached drawing to be described in detail.
<first embodiment>
Fig. 1 and Fig. 2 is please referred to, wherein Fig. 1 is painted a kind of schematic diagram of image-taking device according to first embodiment of the invention,
Fig. 2 is sequentially spherical aberration, astigmatism and the distortion curve graph of first embodiment from left to right.As shown in Figure 1, the capture of first embodiment
Device includes optical lens group (not another label) and electronics photosensitive element 195.Optical lens group is sequentially wrapped by object side to image side
Thoroughly containing aperture 100, the first lens 110, the second lens 120, the third lens 130, the 4th lens 140, the 5th lens the 150, the 6th
Mirror 160, the 7th lens 170, infrared ray filter out filter element (IR-cut filter) 180 and imaging surface 190, and sense electronics
Optical element 195 is set to the imaging surface 190 of optical lens group, and wherein the lens in optical lens group with refracting power are seven
(110-170) all has a spacing distance between the wantonly two adjacent lens with refracting power.
First lens 110 have positive refracting power, and are plastic cement material, are convex surface, picture at 111 dipped beam axis of object side surface
It is concave surface at 112 dipped beam axis of side surface, and is all aspherical.
Second lens 120 have negative refracting power, and are plastic cement material, are convex surface, picture at 121 dipped beam axis of object side surface
It is concave surface at 122 dipped beam axis of side surface, and is all aspherical.
The third lens 130 have positive refracting power, and are plastic cement material, are convex surface, picture at 131 dipped beam axis of object side surface
It is concave surface at 132 dipped beam axis of side surface, and is all aspherical.
4th lens 140 have positive refracting power, and are plastic cement material, are convex surface, picture at 141 dipped beam axis of object side surface
It is convex surface at 142 dipped beam axis of side surface, and is all aspherical.
5th lens 150 have negative refracting power, and are plastic cement material, are concave surface, picture at 151 dipped beam axis of object side surface
It is concave surface at 152 dipped beam axis of side surface, and is all aspherical.
6th lens 160 have positive refracting power, and are plastic cement material, are concave surface, picture at 161 dipped beam axis of object side surface
It is convex surface at 162 dipped beam axis of side surface, and is all aspherical.
7th lens 170 have negative refracting power, and are plastic cement material, are convex surface, picture at 171 dipped beam axis of object side surface
It is concave surface at 172 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the 7th lens image side surface 172
Convex surface.
It is glass material that infrared ray, which filters out filter element 180, is set between the 7th lens 170 and imaging surface 190 and not
Influence the focal length of optical lens group.
The aspherical fitting equation of above-mentioned each lens is expressed as follows:
Wherein:
X: the point for being Y apart from optical axis on aspherical, with the relative distance for being tangential on intersection point section on aspherical optical axis；
Y: the vertical range of point and optical axis in aspheric curve；
R: radius of curvature；
K: conical surface coefficient；And
Ai: the i-th rank asphericity coefficient.
In the optical lens group of first embodiment, the focal length of optical lens group is f, the f-number (f- of optical lens group
It number) is Fno, the half at maximum visual angle is HFOV in optical lens group, and numerical value is as follows: f=5.04mm；Fno=2.30；
And HFOV=38.0 degree.
In the optical lens group of first embodiment, the half at the maximum visual angle of optical lens group is HFOV, is met following
Condition: tan (HFOV)=0.78.
In the optical lens group of first embodiment, the abbe number of the second lens 120 is V2, the dispersion of the 5th lens 150
Coefficient is V5, meets following condition: V2+V5=79.3.
In the optical lens group of first embodiment, 100 to the 7th lens image side surface 172 of aperture is in the distance on optical axis
Sd, 111 to the 7th lens image side surface 172 of the first lens object side surface are Td in the distance on optical axis, meet following condition:
Sd/Td=0.95.
In the optical lens group of first embodiment, 111 to the 7th lens image side surface 172 of the first lens object side surface is in light
Distance on axis is Td, and the entrance pupil diameter of optical lens group is EPD, meets following condition: Td/EPD=2.36.
In the optical lens group of first embodiment, 111 to the 7th lens image side surface 172 of the first lens object side surface is in light
Distance on axis is Td, the first lens 110, the second lens 120, the third lens 130, the 4th lens 140, the 5th lens 150, the
Six lens 160 and the 7th lens 170 are Σ CT in the thickness summation on optical axis, meet following condition: Td/ Σ CT=
1.37。
In the optical lens group of first embodiment, the 6th lens 160 on optical axis with a thickness of CT6, the 7th lens 170 in
On optical axis with a thickness of CT7, meet following condition: CT6/CT7=0.42.
In the optical lens group of first embodiment, the first lens object side surface 111 is to imaging surface 190 in the distance on optical axis
For TL, the maximum image height of optical lens group is ImgH (i.e. the half of the effective sensing region diagonal line length of electronics photosensitive element 195),
It meets following condition: TL/ImgH=1.61.
Cooperation referring to Fig.1 3, is the schematic diagram being painted according to parameter Sag52 in Fig. 1 first embodiment.As shown in Figure 13,
Intersection point of five lens image sides surface 152 on optical axis to the 5th lens image side surface 152 maximum effective radius position in optical axis
Horizontal displacement be Sag52 (horizontal displacement is defined as negative value towards object side direction, Sag52；Horizontal displacement is towards image side side
To Sag52 is then defined as positive value), the 5th lens 150 are in, with a thickness of CT5, meeting following condition on optical axis: | Sag52 |/
CT5=0.91.
In the optical lens group of first embodiment, the radius of curvature of the 6th lens object side surface 161 is R11, optical lens
The focal length of group is f, meets following condition: R11/f=-19.16.
In the optical lens group of first embodiment, the radius of curvature on the 7th lens image side surface 172 is R14, optical lens
The focal length of group is f, meets following condition: R14/f=0.32.
In the optical lens group of first embodiment, the radius of curvature of the 7th lens object side surface 171 is R13, the 7th lens
The radius of curvature on image side surface 172 is R14, meets following condition: (R13+R14)/(R13-R14)=4.89.
In the optical lens group of first embodiment, the focal length of optical lens group is f, the third lens 130, the 4th lens 140
Synthesis focal length with the 5th lens 150 is f345, meets following condition: f/f345=0.17.
In the optical lens group of first embodiment, the focal length of optical lens group is f, and the maximum image height of optical lens group is
ImgH meets following condition: f/ImgH=1.26.
Cooperate again referring to following table one and table two.
Table one is the detailed structured data of Fig. 1 first embodiment, and wherein the unit of radius of curvature, thickness and focal length is mm,
And surface 0-18 is sequentially indicated by the surface of object side to image side.Table two is the aspherical surface data in first embodiment, wherein k table
Conical surface coefficient in aspheric curve equation, A4-A16 then indicate each surface 4-16 rank asphericity coefficient.In addition, following
Embodiment table is the schematic diagram and aberration curve figure of corresponding each embodiment, in table the definition of data all with first embodiment
The definition of table one and table two is identical, is not added repeats herein.
<second embodiment>
Referring to figure 3. and Fig. 4, wherein Fig. 3 is painted a kind of schematic diagram of image-taking device according to second embodiment of the invention,
Fig. 4 is sequentially spherical aberration, astigmatism and the distortion curve graph of second embodiment from left to right.From the figure 3, it may be seen that the capture of second embodiment
Device includes optical lens group (not another label) and electronics photosensitive element 295.Optical lens group is sequentially wrapped by object side to image side
Containing aperture 200, the first lens 210, the second lens 220, the third lens 230, the 4th saturating 240, the 5th lens 250, the 6th lens
260, the 7th lens 270, infrared ray filter out filter element 280 and imaging surface 290, and electronics photosensitive element 295 is set to light
The imaging surface 290 of lens group is learned, wherein the lens in optical lens group with refracting power are seven (210-270), and wantonly two is adjacent
All there is a spacing distance between lens with refracting power.
First lens 210 have positive refracting power, and are plastic cement material, are convex surface, picture at 211 dipped beam axis of object side surface
It is concave surface at 212 dipped beam axis of side surface, and is all aspherical.
Second lens 220 have positive refracting power, and are plastic cement material, are convex surface, picture at 221 dipped beam axis of object side surface
It is concave surface at 222 dipped beam axis of side surface, and is all aspherical.
The third lens 230 have positive refracting power, and are plastic cement material, are convex surface, picture at 231 dipped beam axis of object side surface
It is concave surface at 232 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the third lens image side surface 232
Convex surface.
4th lens 240 have positive refracting power, and are plastic cement material, are convex surface, picture at 241 dipped beam axis of object side surface
It is convex surface at 242 dipped beam axis of side surface, and is all aspherical.
5th lens 250 have negative refracting power, and are plastic cement material, are concave surface, picture at 251 dipped beam axis of object side surface
It is concave surface at 252 dipped beam axis of side surface, and is all aspherical.
6th lens 260 have positive refracting power, and are plastic cement material, are convex surface, picture at 261 dipped beam axis of object side surface
It is convex surface at 262 dipped beam axis of side surface, and is all aspherical.
7th lens 270 have negative refracting power, and are plastic cement material, are concave surface, picture at 271 dipped beam axis of object side surface
It is concave surface at 272 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the 7th lens image side surface 272
Convex surface.
It is glass material that infrared ray, which filters out filter element 280, is set between the 7th lens 270 and imaging surface 290 and not
Influence the focal length of optical lens group.
4 and Figure 15, Figure 14 are the schematic diagram being painted according to parameter Yc32 in Fig. 3 second embodiment, Figure 15 referring to Fig.1 for cooperation
It is the schematic diagram being painted according to parameter Yc72 in Fig. 3 second embodiment.By Figure 14 and Figure 15 it is found that the third lens image side surface
The vertical range of 232 critical points located off axis and optical axis is Yc32, the critical point and light that the 7th lens image side surface 272 is located off axis
The vertical range of axis is Yc72, meets following condition: Yc32/Yc72=0.54.
Cooperation is referring to following table three and table four.
In second embodiment, aspherical fitting equation indicates the form such as first embodiment.In addition, following table parameter
Definition is all identical with the first embodiment, and not in this to go forth.
Cooperation table three and table four can extrapolate following data:
<3rd embodiment>
Referring to figure 5. and Fig. 6, wherein Fig. 5 is painted a kind of schematic diagram of image-taking device according to third embodiment of the invention,
Fig. 6 is sequentially spherical aberration, astigmatism and the distortion curve graph of 3rd embodiment from left to right.As shown in Figure 5, the capture of 3rd embodiment
Device includes optical lens group (not another label) and electronics photosensitive element 395.Optical lens group is sequentially wrapped by object side to image side
Thoroughly containing aperture 300, the first lens 310, the second lens 320, the third lens 330, the 4th lens 340, the 5th lens the 350, the 6th
Mirror 360, the 7th lens 370, infrared ray filter out filter element 380 and imaging surface 390, and electronics photosensitive element 395 is set to
The imaging surface 390 of optical lens group, wherein the lens in optical lens group with refracting power are seven (310-370), Ren Erxiang
All there is a spacing distance between the adjacent lens with refracting power.
First lens 310 have positive refracting power, and are plastic cement material, are convex surface, picture at 311 dipped beam axis of object side surface
It is concave surface at 312 dipped beam axis of side surface, and is all aspherical.
Second lens 320 have positive refracting power, and are plastic cement material, are convex surface, picture at 321 dipped beam axis of object side surface
It is concave surface at 322 dipped beam axis of side surface, and is all aspherical.
The third lens 330 have positive refracting power, and are plastic cement material, are convex surface, picture at 331 dipped beam axis of object side surface
It is concave surface at 332 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the third lens image side surface 332
Convex surface.
4th lens 340 have positive refracting power, and are plastic cement material, are convex surface, picture at 341 dipped beam axis of object side surface
It is convex surface at 342 dipped beam axis of side surface, and is all aspherical.
5th lens 350 have negative refracting power, and are plastic cement material, are concave surface, picture at 351 dipped beam axis of object side surface
It is concave surface at 352 dipped beam axis of side surface, and is all aspherical.
6th lens 360 have positive refracting power, and are plastic cement material, are concave surface, picture at 361 dipped beam axis of object side surface
It is convex surface at 362 dipped beam axis of side surface, and is all aspherical.
7th lens 370 have negative refracting power, and are plastic cement material, are concave surface, picture at 371 dipped beam axis of object side surface
It is concave surface at 372 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the 7th lens image side surface 372
Convex surface.
It is glass material that infrared ray, which filters out filter element 380, is set between the 7th lens 370 and imaging surface 390 and not
Influence the focal length of optical lens group.
Cooperation is referring to following table five and table six.
In 3rd embodiment, aspherical fitting equation indicates the form such as first embodiment.In addition, following table parameter
Definition is all identical as first embodiment and second embodiment, and not in this to go forth.
Cooperation table five and table six can extrapolate following data:
<fourth embodiment>
Fig. 7 and Fig. 8 is please referred to, wherein Fig. 7 is painted a kind of schematic diagram of image-taking device according to fourth embodiment of the invention,
Fig. 8 is sequentially spherical aberration, astigmatism and the distortion curve graph of fourth embodiment from left to right.As shown in Figure 7, the capture of fourth embodiment
Device includes optical lens group (not another label) and electronics photosensitive element 495.Optical lens group is sequentially wrapped by object side to image side
Containing aperture 400, the first lens 410, the second lens 420, the third lens 430, the 4th saturating 440, the 5th lens 450, the 6th lens
460, the 7th lens 470, infrared ray filter out filter element 480 and imaging surface 490, and electronics photosensitive element 495 is set to light
The imaging surface 490 of lens group is learned, wherein the lens in optical lens group with refracting power are seven (410-470), and wantonly two is adjacent
All there is a spacing distance between lens with refracting power.
First lens 410 have positive refracting power, and are plastic cement material, are convex surface, picture at 411 dipped beam axis of object side surface
It is concave surface at 412 dipped beam axis of side surface, and is all aspherical.
Second lens 420 have negative refracting power, and are plastic cement material, are convex surface, picture at 421 dipped beam axis of object side surface
It is concave surface at 422 dipped beam axis of side surface, and is all aspherical.
The third lens 430 have positive refracting power, and are plastic cement material, are convex surface, picture at 431 dipped beam axis of object side surface
It is concave surface at 432 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the third lens image side surface 432
Convex surface.
4th lens 440 have positive refracting power, and are plastic cement material, are convex surface, picture at 441 dipped beam axis of object side surface
It is convex surface at 442 dipped beam axis of side surface, and is all aspherical.
5th lens 450 have negative refracting power, and are plastic cement material, are concave surface, image side at 451 dipped beam axis of object side table
It is concave surface at 452 dipped beam axis of surface, and is all aspherical.
6th lens 460 have positive refracting power, and are plastic cement material, are concave surface, picture at 461 dipped beam axis of object side surface
It is convex surface at 462 dipped beam axis of side surface, and is all aspherical.
7th lens 470 have negative refracting power, and are plastic cement material, are concave surface, picture at 471 dipped beam axis of object side surface
It is concave surface at 472 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the 7th lens image side surface 472
Convex surface.
It is glass material that infrared ray, which filters out filter element 480, is set between the 7th lens 470 and imaging surface 490 and not
Influence the focal length of optical lens group.
Cooperation is referring to following table seven and table eight.
In fourth embodiment, aspherical fitting equation indicates the form such as first embodiment.In addition, following table parameter
Definition is all identical as first embodiment and second embodiment, and not in this to go forth.
Cooperation table seven and table eight can extrapolate following data:
<the 5th embodiment>
Fig. 9 and Figure 10 is please referred to, wherein Fig. 9 is painted a kind of signal of image-taking device according to fifth embodiment of the invention
Figure, Figure 10 are sequentially spherical aberration, astigmatism and the distortion curve graph of the 5th embodiment from left to right.As shown in Figure 9, the 5th embodiment
Image-taking device includes optical lens group (not another label) and electronics photosensitive element 595.Optical lens group by object side to image side according to
Sequence includes aperture 500, the first lens 510, the second lens 520, the third lens 530, the 4th lens 540, the 5th lens 550, the
Six lens 560, the 7th lens 570, infrared ray filter out filter element 580 and imaging surface 590, and electronics photosensitive element 595 is set
It is placed in the imaging surface 590 of optical lens group, wherein the lens in optical lens group with refracting power are seven (510-570), are appointed
All there is a spacing distance between the two adjacent lens with refracting power.
First lens 510 have positive refracting power, and are plastic cement material, are convex surface, picture at 511 dipped beam axis of object side surface
It is concave surface at 512 dipped beam axis of side surface, and is all aspherical.
Second lens 520 have negative refracting power, and are plastic cement material, are convex surface, picture at 521 dipped beam axis of object side surface
It is concave surface at 522 dipped beam axis of side surface, and is all aspherical.
The third lens 530 have negative refracting power, and are plastic cement material, are convex surface, picture at 531 dipped beam axis of object side surface
It is concave surface at 532 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the third lens image side surface 532
Convex surface.
4th lens 540 have positive refracting power, and are plastic cement material, are convex surface, picture at 541 dipped beam axis of object side surface
It is convex surface at 542 dipped beam axis of side surface, and is all aspherical.
5th lens 550 have negative refracting power, and are plastic cement material, are concave surface, picture at 551 dipped beam axis of object side surface
It is concave surface at 552 dipped beam axis of side surface, and is all aspherical.
6th lens 560 have positive refracting power, and are plastic cement material, are concave surface, picture at 561 dipped beam axis of object side surface
It is convex surface at 562 dipped beam axis of side surface, and is all aspherical.
7th lens 570 have negative refracting power, and are plastic cement material, are concave surface, picture at 571 dipped beam axis of object side surface
It is concave surface at 572 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the 7th lens image side surface 572
Convex surface.
It is glass material that infrared ray, which filters out filter element 580, is set between the 7th lens 570 and imaging surface 590 and not
Influence the focal length of optical lens group.
Cooperation is referring to following table nine and table ten.
In 5th embodiment, aspherical fitting equation indicates the form such as first embodiment.In addition, following table parameter
Definition is all identical as first embodiment and second embodiment, and not in this to go forth.
Cooperation table nine and table ten can extrapolate following data:
<sixth embodiment>
Figure 11 and Figure 12 is please referred to, wherein Figure 11 is painted a kind of signal of image-taking device according to sixth embodiment of the invention
Figure, Figure 12 are sequentially spherical aberration, astigmatism and the distortion curve graph of sixth embodiment from left to right.As shown in Figure 11, sixth embodiment
Image-taking device include optical lens group (not another label) and electronics photosensitive element 695.Optical lens group is by object side to image side
Sequentially comprising the first lens 610, aperture 600, the second lens 620, the third lens 630, the 4th lens 640, the 5th lens 650,
6th lens 660, the 7th lens 670, infrared ray filter out filter element 680 and imaging surface 690, and electronics photosensitive element 695
It is set to the imaging surface 690 of optical lens group, wherein the lens in optical lens group with refracting power are seven (610-670),
All there is a spacing distance between the wantonly two adjacent lens with refracting power.
First lens 610 have positive refracting power, and are plastic cement material, are convex surface, picture at 611 dipped beam axis of object side surface
It is concave surface at 612 dipped beam axis of side surface, and is all aspherical.
Second lens 620 have negative refracting power, and are plastic cement material, are convex surface, picture at 621 dipped beam axis of object side surface
It is concave surface at 622 dipped beam axis of side surface, and is all aspherical.
The third lens 630 have positive refracting power, and are plastic cement material, are convex surface, picture at 631 dipped beam axis of object side surface
It is concave surface at 632 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the third lens image side surface 632
Convex surface.
4th lens 640 have positive refracting power, and are plastic cement material, are concave surface, picture at 641 dipped beam axis of object side surface
It is convex surface at 642 dipped beam axis of side surface, and is all aspherical.
5th lens 650 have negative refracting power, and are plastic cement material, are convex surface, picture at 651 dipped beam axis of object side surface
It is concave surface at 652 dipped beam axis of side surface, and is all aspherical.
6th lens 660 have positive refracting power, and are plastic cement material, are concave surface, picture at 661 dipped beam axis of object side surface
It is convex surface at 662 dipped beam axis of side surface, and is all aspherical.
7th lens 670 have negative refracting power, and are plastic cement material, are concave surface, picture at 671 dipped beam axis of object side surface
It is concave surface at 672 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the 7th lens image side surface 672
Convex surface.
It is glass material that infrared ray, which filters out filter element 680, is set between the 7th lens 670 and imaging surface 690 and not
Influence the focal length of optical lens group.
Cooperation is referring to following table 11 and table 12.
In sixth embodiment, aspherical fitting equation indicates the form such as first embodiment.In addition, following table parameter
Definition is all identical as first embodiment and second embodiment, and not in this to go forth.
Cooperation table 11 and table 12 can extrapolate following data:
<the 7th embodiment>
Figure 16 is please referred to, is the schematic diagram for being painted a kind of electronic device 10 according to seventh embodiment of the invention.7th is real
The electronic device 10 for applying example is a smart phone, and electronic device 10 includes image-taking device 11, and image-taking device 11 includes according to this hair
Bright optical lens group (figure does not disclose) and electronics photosensitive element (figure does not disclose), wherein electronics photosensitive element is set to optics
The imaging surface of lens group.
<the 8th embodiment>
Figure 17 is please referred to, is the schematic diagram for being painted a kind of electronic device 20 according to eighth embodiment of the invention.8th is real
The electronic device 20 for applying example is a tablet computer, and electronic device 20 includes image-taking device 21, and image-taking device 21 includes according to this
The optical lens group (figure does not disclose) and electronics photosensitive element (figure does not disclose) of invention, wherein electronics photosensitive element is set to light
Learn the imaging surface of lens group.
<the 9th embodiment>
Figure 18 is please referred to, is the schematic diagram for being painted a kind of electronic device 30 according to ninth embodiment of the invention.9th is real
The electronic device 30 for applying example is a head-mounted display (Head-mounted display, HMD), and electronic device 30 includes capture
Device 31, image-taking device 31 include that (figure is not taken off for optical lens group (figure do not disclose) according to the present invention and electronics photosensitive element
Show), wherein electronics photosensitive element is set to the imaging surface of optical lens group.
Although the present invention is disclosed above with embodiment, however, it is not to limit the invention, any to be familiar with this skill
Person, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations, therefore protection scope of the present invention is worked as
Subject to the scope of which is defined in the appended claims.
Claims (27)
1. a kind of optical lens group, which is characterized in that sequentially include by object side to image side:
One first lens have positive refracting power, are convex surface at the dipped beam axis of object side surface；
One second lens have refracting power；
One the third lens have refracting power, are convex surface at the dipped beam axis of object side surface；
One the 4th lens have refracting power；
One the 5th lens have refracting power, are concave surface at the dipped beam axis of image side surface；
One the 6th lens have refracting power, are concave surface at the dipped beam axis of object side surface, object side surface and image side surface are all non-
Spherical surface；And
One the 7th lens have refracting power, are concave surface at the dipped beam axis of image side surface, and image side surface is located off axis comprising at least one
Convex surface, object side surface and image side surface are all aspherical；
Wherein, the lens in the optical lens group with refracting power are seven, all have an interval distance between two adjacent lens
From, the radius of curvature of the 6th lens object side surface is R11, and the focal length of the optical lens group is f, meet following condition:
R11/f<0。
2. optical lens group according to claim 1, which is characterized in that be convex at the 6th lens image side surface dipped beam axis
Face.
3. optical lens group according to claim 1, which is characterized in that the first lens object side surface to the 7th lens
Image side surface is Td, first lens, second lens, the third lens, the 4th lens, the 5th in the distance on optical axis
Lens, the 6th lens and the 7th lens are Σ CT in the thickness summation on optical axis, meet following condition:
1.0<Td/ΣCT<1.45。
4. optical lens group according to claim 1, which is characterized in that be convex at the 4th lens object side surface dipped beam axis
Face.
5. optical lens group according to claim 1, which is characterized in that be recessed at the third lens image side surface dipped beam axis
Face, the third lens image side surface are located off axis comprising an at least convex surface, and the third lens object side surface and image side surface are all non-
Spherical surface.
6. optical lens group according to claim 1, which is characterized in that the abbe number of second lens is V2, this
The abbe number of five lens is V5, meets following condition:
30<V2+V5<85。
7. optical lens group according to claim 1, which is characterized in that the radius of curvature on the 7th lens image side surface is
The focal length of R14, the optical lens group are f, meet following condition:
0<R14/f<0.60。
8. optical lens group according to claim 1, which is characterized in that the focal length of the optical lens group is f, and the third is saturating
The synthesis focal length of mirror, the 4th lens and the 5th lens is f345, meets following condition:
0<f/f345<1.0。
9. optical lens group according to claim 1, which is characterized in that friendship of the 5th lens image side surface on optical axis
Point to the 5th lens image side surface maximum effective radius position in optical axis horizontal displacement be Sag52, the 5th lens
In, with a thickness of CT5, meeting following condition on optical axis:
|Sag52|/CT5<0.55。
10. optical lens group according to claim 1, which is characterized in that the 6th lens on optical axis with a thickness of
CT6, the 7th lens are in, with a thickness of CT7, meeting following condition on optical axis:
CT6/CT7<2.50。
11. optical lens group according to claim 1, which is characterized in that also include:
One aperture is set between an object and the third lens, and wherein the aperture to the 7th lens image side surface is in light
Distance on axis is Sd, and the first lens object side surface to the 7th lens image side surface is Td, the light in the distance on optical axis
The entrance pupil diameter for learning lens group is EPD, meets following condition:
0.80<Sd/Td<1.0；And
Td/EPD<3.20。
12. a kind of image-taking device, characterized by comprising:
Optical lens group as described in claim 1；And
One electronics photosensitive element is set to an imaging surface of the optical lens group.
13. a kind of electronic device, characterized by comprising:
Image-taking device as claimed in claim 12.
14. a kind of optical lens group, which is characterized in that sequentially include by object side to image side:
One first lens have positive refracting power, are convex surface at the dipped beam axis of object side surface；
One second lens have negative refracting power；
One the third lens have refracting power；
One the 4th lens have refracting power；
One the 5th lens have refracting power, are concave surface at the dipped beam axis of image side surface；
One the 6th lens have refracting power, are convex surface at the dipped beam axis of image side surface；And
One the 7th lens have refracting power, be at convex surface and image side surface dipped beam axis at the dipped beam axis of object side surface are concave surface,
Image side surface is located off axis comprising an at least convex surface, and object side surface and image side surface are all aspherical；
Wherein, the lens in the optical lens group with refracting power are seven, all have an interval distance between two adjacent lens
From.
15. optical lens group according to claim 14, which is characterized in that the 5th lens image side surface is on optical axis
Intersection point to the 5th lens image side surface maximum effective radius position in optical axis horizontal displacement be Sag52, the 5th thoroughly
Mirror is in, with a thickness of CT5, meeting following condition on optical axis:
|Sag52|/CT5<0.50。
16. optical lens group according to claim 14, which is characterized in that the 6th lens on optical axis with a thickness of
CT6, the 7th lens are in, with a thickness of CT7, meeting following condition on optical axis:
CT6/CT7<2.50。
17. optical lens group according to claim 14, which is characterized in that the abbe number of second lens is V2, should
The abbe number of 5th lens is V5, meets following condition:
30<V2+V5<85。
18. optical lens group according to claim 14, which is characterized in that the radius of curvature on the 7th lens image side surface
Focal length for R14, the optical lens group is f, meets following condition:
R14/f<0.60。
19. optical lens group according to claim 14, which is characterized in that the focal length of the optical lens group is f, the third
The synthesis focal length of lens, the 4th lens and the 5th lens is f345, meets following condition:
0.0<f/f345<1.0。
20. optical lens group according to claim 14, which is characterized in that also include:
One aperture is set between an object and the third lens, and wherein the aperture to the 7th lens image side surface is in light
Distance on axis is Sd, and the first lens object side surface to the 7th lens image side surface is Td, the light in the distance on optical axis
The entrance pupil diameter for learning lens group is EPD, meets following condition:
0.80<Sd/Td<1.0；And
Td/EPD<3.20。
21. optical lens group according to claim 14, which is characterized in that the third lens image side surface locate off axis one
The vertical range of critical point and optical axis be Yc32, the critical point that the 7th lens image side surface is located off axis it is vertical with optical axis away from
From for Yc72, meet following condition:
0.3<Yc32/Yc72<0.75。
22. optical lens group according to claim 14, which is characterized in that the first lens object side surface a to imaging surface
It is TL in the distance on optical axis, the maximum image height of the optical lens group is ImgH, meet following condition:
TL/ImgH<1.80。
23. optical lens group according to claim 14, which is characterized in that the focal length of the optical lens group is f, the optics
The maximum image height of lens group is ImgH, meets following condition:
f/ImgH<1.40。
24. optical lens group according to claim 14, which is characterized in that the half at the maximum visual angle of the optical lens group
For HFOV, meet following condition:
0.70<tan(HFOV)。
25. optical lens group according to claim 14, which is characterized in that the radius of curvature of the 7th lens object side surface
Radius of curvature for R13, the 7th lens image side surface is R14, meets following condition:
0.30<(R13+R14)/(R13-R14)。
26. a kind of image-taking device, characterized by comprising:
Optical lens group as claimed in claim 14；And
One electronics photosensitive element is set to an imaging surface of the optical lens group.
27. a kind of electronic device, characterized by comprising:
Image-taking device as claimed in claim 26.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510179218.2A CN106154513B (en) | 2015-04-16 | 2015-04-16 | Optical lens assembly, image capturing device and electronic device |
| CN201910063932.3A CN109581632B (en) | 2015-04-16 | 2015-04-16 | Optical lens group and imaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510179218.2A CN106154513B (en) | 2015-04-16 | 2015-04-16 | Optical lens assembly, image capturing device and electronic device |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910063932.3A Division CN109581632B (en) | 2015-04-16 | 2015-04-16 | Optical lens group and imaging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106154513A CN106154513A (en) | 2016-11-23 |
| CN106154513B true CN106154513B (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510179218.2A Active CN106154513B (en) | 2015-04-16 | 2015-04-16 | Optical lens assembly, image capturing device and electronic device |
| CN201910063932.3A Active CN109581632B (en) | 2015-04-16 | 2015-04-16 | Optical lens group and imaging device |
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| CN109581632B (en) | 2021-08-31 |
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