CN110426818A - Optical lens for shooting group, image-taking device and electronic device - Google Patents

Optical lens for shooting group, image-taking device and electronic device Download PDF

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Publication number
CN110426818A
CN110426818A CN201910737753.3A CN201910737753A CN110426818A CN 110426818 A CN110426818 A CN 110426818A CN 201910737753 A CN201910737753 A CN 201910737753A CN 110426818 A CN110426818 A CN 110426818A
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CN
China
Prior art keywords
lens
shooting
optical
image
axis
Prior art date
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Pending
Application number
CN201910737753.3A
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Chinese (zh)
Inventor
黄歆璇
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Largan Precision Co Ltd
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Largan Precision Co Ltd
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Publication date
Application filed by Largan Precision Co Ltd filed Critical Largan Precision Co Ltd
Priority to CN201910737753.3A priority Critical patent/CN110426818A/en
Priority to CN201610080175.7A priority patent/CN107037568B/en
Publication of CN110426818A publication Critical patent/CN110426818A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/001Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • G02B13/0045Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses

Abstract

The invention discloses a kind of optical lens for shooting group, image-taking device and electronic devices.Optical lens for shooting group sequentially includes the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens by object side to image side.First lens have positive refracting power, are convex surface at the dipped beam axis of object side surface.An at least surface is aspherical in 6th lens object side surface and image side surface, and an at least surface includes an at least point of inflexion.It is concave surface at 7th lens image side surface dipped beam axis, and an at least surface is aspherical in the 7th lens object side surface and image side surface.When a specific condition is satisfied, optical lens for shooting group can be made to have function of telescope simultaneously, and have the function of to reduce aberration, can be effectively controlled total length, also to reach demand miniaturization.Invention additionally discloses a kind of image-taking device with optical lens for shooting group and with the electronic device of image-taking device.

Description

Optical lens for shooting group, image-taking device and electronic device
The application be the applying date be on February 04th, 2016, application No. is 201610080175.7, entitled " camera shooting With optics lens group, image-taking device and electronic device " patent application divisional application.
Technical field
The invention relates to a kind of optical lens for shooting group and image-taking devices, and apply in particular to a kind of Miniaturization optical lens for shooting group and image-taking device on electronic device.
Background technique
As camera module is using more and more extensive, camera module is installed in various smart electronics products, automobile-used dress It sets, the main trend that identification system, entertainment device, telecontrol equipment and home intelligent auxiliary system system are development in science and technology of future.And In order to have wider use experience, the intelligent apparatus for carrying a camera lens or more is increasingly becoming the market mainstream, in response to not Same application demand, is the lens system for developing different characteristics.
The mostly pursuit of miniaturization emphatically of traditional micro-lens, therefore often sacrifice image quality.And high-quality on the market Imaging system mostly uses multiple-piece construction and carries spherical glass lens, and such configuration not only causes camera lens volume excessive and is not easy It carries, meanwhile, the application of the excessively high also unfavorable various devices of production unit cost and product, therefore known optical system has been unable to satisfy The trend of development in science and technology at present.
Summary of the invention
The present invention provides optical lens for shooting group, image-taking device and electronic device, has by the first lens and just bends It rolls over power and the 6th lens includes the configuration of the point of inflexion, it is possible to provide the main aggregate capabilities of optical lens for shooting group, with effective Compress its space, reach the demand of miniaturization, and correct its marginal aberration, while compressing its back focal length, can image quality with Balance is obtained between volume.
A kind of optical lens for shooting group is provided according to the present invention, sequentially includes the first lens, second by object side to image side Lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.First lens have positive refracting power, It is convex surface at the dipped beam axis of object side surface.An at least surface is aspherical in 6th lens object side surface and image side surface, and the 6th thoroughly An at least surface includes an at least point of inflexion in mirror object side surface and image side surface.It is recessed at 7th lens image side surface dipped beam axis Face, and an at least surface is aspherical in the 7th lens object side surface and image side surface.Lens in optical lens for shooting group Sum is seven and lens are to each other without relative movement, and the first lens, the second lens, the third lens, the 4th lens, the 5th are thoroughly In mirror, the 6th lens and the 7th lens, the abbe number of at least one lens with positive refracting power is less than 25, optical imaging The focal length of lens group is f, and the radius of curvature of the first lens object side surface is R1, meets following condition:
3.23≤f/R1。
A kind of image-taking device is more provided according to the present invention, includes optical lens for shooting group as mentioned in the previous paragraph and electronics Photosensitive element, wherein electronics photosensitive element is set to the imaging surface of optical lens for shooting group.
A kind of electronic device is separately provided according to the present invention, includes image-taking device as mentioned in the previous paragraph.
When f/R1 meets above-mentioned condition, optical lens for shooting group can be made to have function of telescope simultaneously, it also can be effective Total length is controlled, to reach demand miniaturization.
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 a kind of schematic diagram of image-taking device according to seventh embodiment of the invention;
Figure 14 is sequentially spherical aberration, astigmatism and the distortion curve graph of the 7th embodiment from left to right;
Figure 15 is painted a kind of schematic diagram of image-taking device according to eighth embodiment of the invention;
Figure 16 is sequentially spherical aberration, astigmatism and the distortion curve graph of the 8th embodiment from left to right;
Figure 17 is painted a kind of schematic diagram of image-taking device according to ninth embodiment of the invention;
Figure 18 is sequentially spherical aberration, astigmatism and the distortion curve graph of the 9th embodiment from left to right;
Figure 19 is painted a kind of schematic diagram of image-taking device according to tenth embodiment of the invention;
Figure 20 is sequentially spherical aberration, astigmatism and the distortion curve graph of the tenth embodiment from left to right;
Figure 21 is painted a kind of schematic diagram of image-taking device according to eleventh embodiment of the invention;
Figure 22 is sequentially spherical aberration, astigmatism and the distortion curve graph of the 11st embodiment from left to right;
Figure 23 is painted the schematic diagram according to parameter Yc62 in Fig. 1 first embodiment;
Figure 24 is painted the schematic diagram according to parameter Dr1s in Fig. 1 first embodiment;
Figure 25 is painted the schematic diagram according to parameter Y11 in Fig. 1 first embodiment;
Figure 26 is painted a kind of schematic diagram of electronic device according to twelveth embodiment of the invention;
Figure 27 is painted a kind of schematic diagram of electronic device according to thriteenth embodiment of the invention;And
Figure 28 is painted a kind of schematic diagram of electronic device according to fourteenth embodiment of the invention.
[symbol description]
Electronic device: 10,20,30
Image-taking device: 11,21,31
Aperture: 100,200,300,400,500,600,700,800,900,1000,1100
First lens: 110,210,310,410,510,610,710,810,910,1010,1110
Object side surface: 111,211,311,411,511,611,711,811,911,1011,1111
Image side surface: 112,212,312,412,512,612,712,812,912,1012,1112
Second lens: 120,220,320,420,520,620,720,820,920,1020,1120
Object side surface: 121,221,321,421,521,621,721,821,921,1021,1121
Image side surface: 122,222,322,422,522,622,722,822,922,1022,1122
The third lens: 130,230,330,430,530,630,730,830,930,1030,1130
Object side surface: 131,231,331,431,531,631,731,831,931,1031,1131
Image side surface: 132,232,332,432,532,632,732,832,932,1032,1132
4th lens: 140,240,340,440,540,640,740,840,940,1040,1140
Object side surface: 141,241,341,441,541,641,741,841,941,1041,1141
Image side surface: 142,242,342,442,542,642,742,842,942,1042,1142
5th lens: 150,250,350,450,550,650,750,850,950,1050,1150
Object side surface: 151,251,351,451,551,651,751,851,951,1051,1151
Image side surface: 152,252,352,452,552,652,752,852,952,1052,1152
6th lens: 160,260,360,460,560,660,760,860,960,1060,1160
Object side surface: 161,261,361,461,561,661,761,861,961,1061,1161
Image side surface: 162,262,362,462,562,662,762,862,962,1062,1162
7th lens: 170,270,370,470,570,670,770,870,970,1070,1170
Object side surface: 171,271,371,471,571,671,771,871,971,1071,1171
Image side surface: 172,272,372,472,572,672,772,872,972,1072,1172
Infrared ray filters out filter element: 180,280,380,480,580,680,780,880,980,1080,1180
Imaging surface: 190,290,390,490,590,690,790,890,990,1090,1190
Electronics photosensitive element: 195,295,395,495,595,695,795,895,995,1095,1195
F: the focal length of optical lens for shooting group
Fno: the f-number of optical lens for shooting group
HFOV: the half at maximum visual angle in optical lens for shooting group
The abbe number of V7: the seven lens
The radius of curvature of R1: the first lens object side surface
The radius of curvature of R14: the seven lens image side surface
CT1: the first lens are in the thickness on optical axis
CT2: the second lens are in the thickness on optical axis
CT6: the six lens are in the thickness on optical axis
T12: the first lens and the second lens are in the spacing distance on optical axis
T23: the second lens and the third lens are in spacing distance on optical axis
T34: the third lens and the 4th lens are in spacing distance on optical axis
T45: the four lens and the 5th lens are in spacing distance on optical axis
T56: the five lens and the 6th lens are in the spacing distance on optical axis
T67: the six lens and the 7th lens are in spacing distance on optical axis
Σ AT: each two adjacent lens are in the summation of spacing distance on optical axis
The focal length of f1: the first lens
The focal length of f2: the second lens
F3: the focal length of the third lens
The focal length of f4: the four lens
The focal length of f5: the five lens
The focal length of f6: the six lens
The focal length of f7: the seven lens
The refracting power of P1: the first lens
The refracting power of P2: the second lens
P3: the refracting power of the third lens
The refracting power of P4: the four lens
The refracting power of P5: the five lens
The refracting power of P6: the six lens
The refracting power of P7: the seven lens
The critical point of Yc62: the six lens image side surface and the vertical range of optical axis
Dr1s: the first lens object side surface is to aperture in the distance on optical axis
TL: the first lens object side surface is to imaging surface in the distance on optical axis
The greatest optical effective radius of Y11: the first lens object side surface
BL: the seven lens image side surface is to imaging surface in the distance on optical axis
ImgH: the maximum image height of optical lens for shooting group
Specific embodiment
A kind of optical lens for shooting group, by object side to image side sequentially include the first lens, the second lens, the third lens, 4th lens, the 5th lens, the 6th lens and the 7th lens, wherein the lens sum in optical lens for shooting group is seven Piece.
First lens have positive refracting power, are convex surface at the dipped beam axis of object side surface.Whereby, optical lens for shooting is provided The main light aggregate capabilities of group reach the demand of miniaturization to be effectively compressed its space.
Second lens can have a negative refracting power, can be convex surface at the dipped beam axis of object side surface, at the dipped beam axis of image side surface It can be concave surface.Whereby, the focal position of different-waveband light can be balanced, is generated to avoid the situation that image overlaps, and can be with the One lens mutually reconcile, to reduce the spherical aberration of optical lens for shooting group.
It can be concave surface at 4th lens object side surface dipped beam axis, can be convex surface at the dipped beam axis of image side surface.Whereby, it can put down The optical path in the weighing apparatus meridian direction (tangential) and the direction the sagitta of arc (sagittal) is moved towards, in favor of correcting optical lens for shooting The astigmatism of group.In addition, an at least surface includes an at least point of inflexion in the object side surface and image side surface of the 4th lens, it is advantageous In correction off-axis aberration.
It can be concave surface at the object side surface dipped beam axis of 5th lens, can be convex surface at the dipped beam axis of image side surface.Whereby, have Conducive to the aberration of amendment optical lens for shooting group.
6th lens can have negative refracting power, can be concave surface at the dipped beam axis of image side surface.Whereby, optical imaging can be made The Petzval of lens group and surface (Petzval Surface) are more flat, and keep its principal point mobile toward object side direction, to shorten Back focal length controls its total length.Furthermore an at least surface includes an at least contrary flexure in the 6th lens object side surface and image side surface Point.Therefore, through its marginal aberration of the configuration modifications of the point of inflexion, while its back focal length is compressed, it can be between image quality and volume Obtain balance.
7th lens can have positive refracting power, can be convex surface at the dipped beam axis of image side surface.It whereby, can be with the first lens shaped At symmetrical structure, optical lens for shooting group symmetry can be increased, and then promote image quality.
The focal length of optical lens for shooting group is f, and the radius of curvature of the first lens object side surface is R1, meets following item Part: 2.85 < f/R1.Whereby, optical lens for shooting group can be made to have function of telescope simultaneously, also can be effectively controlled total length, To reach demand miniaturization.Preferably, following condition: 3.10 < f/R1 < 7.50 can be met.
The focal length of 6th lens is f6, and the focal length of the 7th lens is f7, meets following condition: -2.0 < f6/f7 < 1.5. Whereby, the 6th lens have enough refracting powers compared to the 7th lens, and the 7th lens is enable to reconcile produced by the 6th lens Aberration.Preferably, following condition: -0.90 < f6/f7 < 1.5 can be met.More preferably, following condition: -0.60 < f6/ can be met f7<0.60.Further, following condition: -0.40 < f6/f7 < 0.40 can be met.
The radius of curvature of first lens object side surface is R1, and the first lens on optical axis in, with a thickness of CT1, meeting following Condition: R1/CT1 < 2.5.Whereby, the first lens is made to have enough positive refracting powers, it is preferable to provide optical lens for shooting group Effect of looking in the distance.Preferably, following condition: R1/CT1 < 2.2 can be met.More preferably, following condition: R1/CT1 < 1.8 can be met.
The focal length of optical lens for shooting group is f, and the maximum image height of optical lens for shooting group is ImgH, is met following Condition: 2.20 < f/ImgH < 5.50.Whereby, control camera coverage, effectively control field of view angle be may help to, to promote image part The resolution of range reaches preferable vista shot effect.
The focal length of optical lens for shooting group is f, and the radius of curvature on the 7th lens image side surface is R14, under meeting Column condition: f/R14 < 1.0.Whereby, the lens face shape deflection close to imaging surface can be effectively controlled, be conducive to reach function of telescope, and mention Rise the symmetry of whole optical lens for shooting group.
The refracting power of first lens is P1, and the refracting power of the second lens is P2, and the refracting power of the third lens is P3, and the 4th thoroughly The refracting power of mirror is P4, and the refracting power of the 5th lens is P5, and the refracting power of the 6th lens is P6, and the refracting power of the 7th lens is P7 meets following condition: (| P3 |+| P4 |+| P5 |+| P7 |)/(| P1 |+| P2 |+| P6 |) < 0.50.Whereby, camera shooting can be balanced It is configured with optics lens group refracting power, to strengthen and balance simultaneously the control ability of its object side and image side end, promotes whole take the photograph As using the symmetry of optics lens group, and then reduce its susceptibility.
The abbe number of 7th lens is V7, meets following condition: V7 < 30.Whereby, whole optical imaging can be balanced The color difference of lens group, to reach preferable image quality.
Optical lens for shooting group can include aperture according to claim, may be disposed at object and the third lens it Between, or be further disposed upon between object and the first lens.
The first lens object side surface is Dr1s in the distance on optical axis to aperture, the second lens on optical axis with a thickness of CT2, meets following condition: 2.0 < | Dr1s |/CT2 < 5.0.Whereby, can active balance aperture position, in favor of control camera shooting It with optics lens group volume, while also can control lens thickness, keep lens easy to form, and then promote product manufacturing.
The greatest optical effective radius of first lens object side surface is Y11, and the maximum image height of optical lens for shooting group is ImgH meets following condition: 0.45 < Y11/ImgH < 1.0.Whereby, the ratio that can balance entering light range and imaging region, makes Optical lens for shooting group has enough light, to promote image brilliance.
The critical point of 6th lens image side surface and the vertical range of optical axis are Yc62, and the 6th lens are in the thickness on optical axis For CT6, meet following condition: 0.5 < Yc62/CT6 < 7.5.Whereby, can modified off-axis visual field aberration, and effectively control imaging Face bending.
7th lens image side surface to imaging surface in the distance on optical axis be BL, the maximum image height of optical lens for shooting group For ImgH, meet following condition: 0.10 < BL/ImgH < 0.40.Whereby, it can control optical lens for shooting group back focal length, with Reduce its volume, achievees the effect that miniaturization.
The focal length of optical lens for shooting group is f, and the focal length of the 4th lens is f4, meets following condition: | f/f4 | < 0.35.Whereby, so that the 4th lens is had lens error correction ability, and avoid generating excessive aberration.
5th lens and the 6th lens are T56 in the spacing distance on optical axis, and each two adjacent lens on optical axis in being spaced The summation of distance is Σ AT, meets following condition: 0.40 < T56/ (Σ AT-T56).Whereby, make the 5th lens and the 6th lens Between have optical path reconcile function, in favor of reaching function of telescope.
In first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens, The abbe number of at least one lens with positive refracting power is less than 25.Whereby, light in optical lens for shooting group can be effectively controlled The scattered color ability of line matches cloth, in favor of reaching multifarious camera coverage.
First lens object side surface is TL in the distance on optical axis to imaging surface, and the focal length of optical lens for shooting group is f, It meets following condition: 0.70 < TL/f≤1.10.Whereby, can be while pursuing local image high-res, while compacting is taken the photograph As using optics lens group overall length.
In optical lens for shooting group provided by the invention, the material of lens can be plastic cement or glass.When the material of lens For plastic cement, production cost can be effectively reduced.The another material for working as lens is glass, then can increase optical lens for shooting group and bend Roll over the freedom degree of power configuration.In addition, the object side surface and image side surface in optical lens for shooting group can be aspherical (ASP), It is aspherical to be easy to be fabricated to the shape other than spherical surface, more controlled variable is obtained, to cut down aberration, and then is reduced saturating The number that mirror uses, therefore the total length of optical lens for shooting group of the present invention can be effectively reduced.
Furthermore in optical lens for shooting group provided by the invention, if lens surface is convex surface and does not define convex surface position When setting, then it represents that the lens surface can be convex surface at dipped beam axis;If lens surface is concave surface and does not define the concave surface position, Then indicate that the lens surface can be concave surface at dipped beam axis.In optical lens for shooting group provided by the invention, if lens have The focal length of positive refracting power or negative refracting power or lens, all can refer to the refracting power or focal length at lens dipped beam axis.
In addition, there is an at least diaphragm settable on demand to reduce stray light in optical lens for shooting group of the present invention Help promote image quality.
The imaging surface of optical lens for shooting group of the invention can be one according to the difference of its corresponding electronics photosensitive element Plane or the curved surface for having any curvature particularly relate to concave surface towards the curved surface toward object side direction.
In optical lens for shooting group of the invention, aperture configuration can for preposition aperture or in set aperture, wherein preposition light Circle implies that aperture is set between object and the first lens, in set aperture then and indicate that aperture is set to the first lens and imaging surface Between.If aperture is preposition aperture, the outgoing pupil (Exit Pupil) of optical lens for shooting group can be made to generate with imaging surface longer Distance, make it have telecentricity (Telecentric) effect, and can increase electronics photosensitive element CCD or CMOS receive image Efficiency;Aperture is set if in, facilitates the field angle of expansion system, makes optical lens for shooting group that there is the excellent of wide-angle lens Gesture.
In optical lens for shooting group of the invention, critical point is in addition to the intersection point with optical axis, to hang down with one on lens surface The directly point of contact tangent in the section of optical axis.
Optical lens for shooting group of the invention many-sided can also be applied to three-dimensional (3D) image capture, digital camera, shifting Movable property product, digital flat panel, smart television, network monitoring device, somatic sensation television game machine, automobile data recorder, reversing and are worn developing apparatus It wears in the electronic devices such as formula product.
The present invention provides a kind of image-taking device, include optical lens for shooting group above-mentioned and electronics photosensitive element, Middle electronics photosensitive element is set to the imaging surface of optical lens for shooting group.Thoroughly by aforementioned optical lens for shooting group first Mirror has positive refracting power and the 6th lens include the configuration of the point of inflexion, it is possible to provide the main convergence energy of optical lens for shooting group Power reaches the demand of miniaturization to be effectively compressed its space, and corrects its marginal aberration, while compressing its back focal length, can at As obtaining balance between quality and volume.Preferably, image-taking device can further include lens barrel (Barrel Member), support dress Set (Holder Member) or combinations thereof.
The present invention provides a kind of electronic device, includes image-taking device above-mentioned.Whereby, image quality is promoted.Preferably, electric Sub-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 for shooting group (not another label) and electronics photosensitive element 195.Optical lens for shooting group is by object side Sequentially include to image side aperture 100, the first lens 110, the second lens 120, the third lens 130, the 4th lens the 140, the 5th thoroughly Mirror 150, the 6th lens 160, the 7th lens 170, infrared ray filter out filter element 180 and imaging surface 190, and the photosensitive member of electronics Part 195 is set to the imaging surface 190 of optical lens for shooting group, and wherein the lens sum in optical lens for shooting group is seven (110-170)。
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 concave 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.In addition, the 4th lens image side surface 142 includes an at least contrary flexure Point.
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 convex surface at 152 dipped beam axis of side surface, and is all aspherical.
6th lens 160 have negative refracting power, and are plastic cement material, are concave surface, picture at 161 dipped beam axis of object side surface It is concave surface at 162 dipped beam axis of side surface, and is all aspherical.In addition, the 6th lens image side surface 162 includes an at least contrary flexure Point.
7th lens 170 have positive refracting power, and are plastic cement material, are concave surface, picture at 171 dipped beam axis of object side surface It is convex surface at 172 dipped beam axis of side surface, and is all aspherical.
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 for shooting 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 for shooting group of first embodiment, the focal length of optical lens for shooting group is f, optical imaging mirror The f-number (f-number) of head group is Fno, and the half at maximum visual angle is HFOV in optical lens for shooting group, and numerical value is such as Under: f=6.17mm;Fno=2.40;And HFOV=20.8 degree.
In the optical lens for shooting group of first embodiment, the abbe number of the 7th lens 170 is V7, meets following item Part: V7=23.5.
In the optical lens for shooting group of first embodiment, the radius of curvature of the first lens object side surface 111 is R1, first Lens 110 are in, with a thickness of CT1, meeting following condition: R1/CT1=1.51 on optical axis.
In the optical lens for shooting group of first embodiment, the first lens 110 and the second lens 120 are in the interval on optical axis Distance is T12, and the second lens 120 and the third lens 130 are T23, the third lens 130 and the 4th lens in spacing distance on optical axis 140 be T34, the 4th lens 140 and the 5th lens 150 in spacing distance on optical axis in spacing distance on optical axis be T45, and the 5th thoroughly Mirror 150 and the 6th lens 160 are T56 in the spacing distance on optical axis, and the 6th lens 160 and the 7th lens 170 are between on optical axis For gauge from for T67, each two adjacent lens are Σ AT (i.e. Σ AT=T12+T23+T34+ in the summation of spacing distance on optical axis T45+T56+T67), meet following condition: T56/ (Σ AT-T56)=0.68.
In the optical lens for shooting group of first embodiment, the focal length of optical lens for shooting group is f, the first lens object side The radius of curvature on surface 111 is R1, and the radius of curvature on the 7th lens image side surface 172 is R14, meets following condition: f/R1 =3.79;And f/R14=-0.28.
In the optical lens for shooting group of first embodiment, the focal length of the 6th lens 160 is f6, the coke of the 7th lens 170 Away from for f7, meet following condition: f6/f7=-0.07.
In the optical lens for shooting group of first embodiment, the focal length of optical lens for shooting group is f, the 4th lens 140 Focal length be f4, meet following condition: | f/f4 |=0.06.
In the optical lens for shooting group of first embodiment, the refracting power of the first lens 110 is P1 (i.e. optical imaging mirror The ratio f/f1 of the focal length f1 of the focal length f and the first lens 110 of head group), the refracting power of the second lens 120 is that P2 (i.e. use by camera shooting The ratio f/f2 of the focal length f2 of the focal length f of optical lens group and the second lens 120), the refracting powers of the third lens 130 be P3 (i.e. The ratio f/f3 of the focal length f3 of the focal length f and the third lens 130 of optical lens for shooting group), the refracting power of the 4th lens 140 is P4 (i.e. the ratio f/f4 of the focal length f4 of the focal length f and the 4th lens 140 of optical lens for shooting group), the 5th lens 150 are bent Folding power is P5 (i.e. the ratio f/f5 of the focal length f5 of the focal length f and the 5th lens 150 of optical lens for shooting group), the 6th lens 160 refracting power is P6 (i.e. the ratio f/f6 of the focal length f6 of the focal length f and the 6th lens 160 of optical lens for shooting group), the The refracting power of seven lens 170 is P7 (the i.e. ratio f/ of the focal length f7 of the focal length f and the 7th lens 170 of optical lens for shooting group F7), meet following condition: (| P3 |+| P4 |+| P5 |+| P7 |)/(| P1 |+| P2 |+| P6 |)=0.06.
Cooperation is the schematic diagram being painted according to parameter Yc62 in Fig. 1 first embodiment referring to Figure 23.As shown in Figure 23, The vertical range of the critical points of six lens image sides surface 162 and optical axis is Yc62, the 6th lens 160 on optical axis with a thickness of CT6 meets following condition: Yc62/CT6=2.32.
Cooperation is the schematic diagram being painted according to parameter Dr1s in Fig. 1 first embodiment referring to Figure 24.As shown in Figure 24, One lens object side surface 111 is Dr1s in the distance on optical axis to aperture 100, the second lens 120 on optical axis with a thickness of CT2 meets following condition: | Dr1s |/CT2=2.99.
In the optical lens for shooting group of first embodiment, the first lens object side surface 111 is to imaging surface 190 on optical axis Distance be TL, the focal length of optical lens for shooting group is f, meets following condition: TL/f=1.00.
In the optical lens for shooting group of first embodiment, the focal length of optical lens for shooting group is f, optical imaging mirror The maximum image height of head group is ImgH (i.e. the half of the effective sensing region diagonal line length of electronics photosensitive element 195), is met following Condition: f/ImgH=2.54.
Cooperation is the schematic diagram being painted according to parameter Y11 in Fig. 1 first embodiment referring to Figure 25.As shown in Figure 25, first The greatest optical effective radius of lens object side surface 111 is Y11, and the maximum image height of optical lens for shooting group is ImgH, is expired Foot column condition: Y11/ImgH=0.53.
In the optical lens for shooting group of first embodiment, the 7th lens image side surface 172 is to imaging surface 190 on optical axis Distance be BL, the maximum image height of optical lens for shooting group is ImgH, meets following condition: BL/ImgH=0.28.
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.
In addition, in first embodiment, the first lens 110, the second lens 120, the third lens 130, the 4th lens 140, In five lens 150, the 6th lens 160 and the 7th lens 170, the abbe number of at least one lens with positive refracting power is less than 25, i.e. the 4th lens 140 and the 7th lens 170.
<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 for shooting group (not another label) and electronics photosensitive element 295.Optical lens for shooting group is by object side Sequentially include to image side aperture 200, the first lens 210, the second lens 220, the third lens 230, the 4th lens the 240, the 5th thoroughly Mirror 250, the 6th lens 260, the 7th lens 270, infrared ray filter out filter element 280 and imaging surface 290, and the photosensitive member of electronics Part 295 is set to the imaging surface 290 of optical lens for shooting group, and wherein the lens sum in optical lens for shooting group is seven (210-270)。
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 negative 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 negative 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.
4th lens 240 have negative refracting power, and are plastic cement material, are concave 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.In addition, the 4th lens image side surface 242 includes an at least contrary flexure Point.
5th lens 250 have positive refracting power, and are plastic cement material, are concave surface, picture at 251 dipped beam axis of object side surface It is convex surface at 252 dipped beam axis of side surface, and is all aspherical.
6th lens 260 have negative refracting power, and are plastic cement material, are concave surface, picture at 261 dipped beam axis of object side surface It is concave surface at 262 dipped beam axis of side surface, and is all aspherical.In addition, the 6th lens image side surface 262 includes an at least contrary flexure Point.
7th lens 270 have positive refracting power, and are plastic cement material, are concave surface, picture at 271 dipped beam axis of object side surface It is convex surface at 272 dipped beam axis of side surface, and is all aspherical.
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 for shooting group.
Cooperate again 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:
In addition, in second embodiment, the first lens 210, the second lens 220, the third lens 230, the 4th lens 240, In five lens 250, the 6th lens 260 and the 7th lens 270, the abbe number of at least one lens with positive refracting power is less than 25, i.e. the 7th lens 270.
<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 for shooting group (not another label) and electronics photosensitive element 395.Optical lens for shooting group is by object side Sequentially include to image side aperture 300, the first lens 310, the second lens 320, the third lens 330, the 4th lens the 340, the 5th thoroughly Mirror 350, the 6th lens 360, the 7th lens 370, infrared ray filter out filter element 380 and imaging surface 390, and the photosensitive member of electronics Part 395 is set to the imaging surface 390 of optical lens for shooting group, and wherein the lens sum in optical lens for shooting group is seven (310-370)。
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 convex surface at 312 dipped beam axis of side surface, and is all aspherical.
Second lens 320 have negative 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 negative 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.
4th lens 340 have negative refracting power, and are plastic cement material, are concave surface, picture at 341 dipped beam axis of object side surface It is concave surface at 342 dipped beam axis of side surface, and is all aspherical.
5th lens 350 have positive refracting power, and are plastic cement material, are convex surface, picture at 351 dipped beam axis of object side surface It is convex surface at 352 dipped beam axis of side surface, and is all aspherical.
6th lens 360 have negative refracting power, and are plastic cement material, are concave surface, picture at 361 dipped beam axis of object side surface It is concave surface at 362 dipped beam axis of side surface, and is all aspherical.In addition, the 6th lens image side surface 362 includes an at least contrary flexure Point.
7th lens 370 have negative refracting power, and are plastic cement material, are convex 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.
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 for shooting group.
Cooperate again 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 with the first 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 for shooting group (not another label) and electronics photosensitive element 495.Optical lens for shooting group is by object side Sequentially include to image side aperture 400, the first lens 410, the second lens 420, the third lens 430, the 4th lens the 440, the 5th thoroughly Mirror 450, the 6th lens 460, the 7th lens 470, infrared ray filter out filter element 480 and imaging surface 490, and the photosensitive member of electronics Part 495 is set to the imaging surface 490 of optical lens for shooting group, and wherein the lens sum in optical lens for shooting group is seven (410-470)。
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.
4th lens 440 have positive refracting power, and are plastic cement material, are concave 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.In addition, the 4th lens object side surface 441 includes an at least contrary flexure Point.
5th lens 450 have negative refracting power, and are plastic cement material, are concave surface, picture at 451 dipped beam axis of object side surface It is convex surface at 452 dipped beam axis of side surface, and is all aspherical.
6th lens 460 have negative refracting power, and are plastic cement material, are concave surface, picture at 461 dipped beam axis of object side surface It is concave surface at 462 dipped beam axis of side surface, and is all aspherical.In addition, the 6th lens image side surface 462 includes an at least contrary flexure Point.
7th lens 470 have positive refracting power, and are plastic cement material, are concave surface, picture at 471 dipped beam axis of object side surface It is convex surface at 472 dipped beam axis of side surface, and is all aspherical.
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 for shooting group.
Cooperate again 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 with the first embodiment, and not in this to go forth.
Cooperation table seven and table eight can extrapolate following data:
In addition, in fourth embodiment, the first lens 410, the second lens 420, the third lens 430, the 4th lens 440, In five lens 450, the 6th lens 460 and the 7th lens 470, the abbe number of at least one lens with positive refracting power is less than 25, i.e. the 7th lens 470.
<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 for shooting group (not another label) and electronics photosensitive element 595.Optical lens for shooting group by Object side to image side sequentially includes aperture 500, the first lens 510, the second lens 520, the third lens 530, the 4th lens 540, Five lens 550, the 6th lens 560, the 7th lens 570, infrared ray filter out filter element 580 and imaging surface 590, and sense electronics Optical element 595 is set to the imaging surface 590 of optical lens for shooting group, and wherein the lens sum in optical lens for shooting group is Seven (510-570).
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 convex 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 concave 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.
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.In addition, the 4th lens object side surface 541 and image side surface 542 are all Include an at least point of inflexion.
5th lens 550 have negative refracting power, and are plastic cement material, are convex 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 negative refracting power, and are plastic cement material, are concave surface, picture at 561 dipped beam axis of object side surface It is concave surface at 562 dipped beam axis of side surface, and is all aspherical.In addition, the 6th lens image side surface 562 includes an at least contrary flexure Point.
7th lens 570 have positive refracting power, and are plastic cement material, are concave surface, picture at 571 dipped beam axis of object side surface It is convex surface at 572 dipped beam axis of side surface, and is all aspherical.
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 for shooting group.
Cooperate again 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 with the first embodiment, and not in this to go forth.
Cooperation table nine and table ten can extrapolate following data:
In addition, in the 5th embodiment, the first lens 510, the second lens 520, the third lens 530, the 4th lens 540, In five lens 550, the 6th lens 560 and the 7th lens 570, the abbe number of at least one lens with positive refracting power is less than 25, i.e. the 4th lens 540 and the 7th lens 570.
<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 for shooting group (not another label) and electronics photosensitive element 695.Optical lens for shooting group By object side to image side sequentially include aperture 600, the first lens 610, the second lens 620, the third lens 630, the 4th lens 640, 5th lens 650, the 6th lens 660, the 7th lens 670, infrared ray filter out filter element 680 and imaging surface 690, and electronics Photosensitive element 695 is set to the imaging surface 690 of optical lens for shooting group, wherein the lens sum in optical lens for shooting group For seven (610-670).
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 convex 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 concave 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 negative 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.
4th lens 640 have positive refracting power, and are plastic cement material, are convex 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.In addition, the 4th lens object side surface 641 and image side surface 642 are all Include an at least point of inflexion.
5th lens 650 have negative refracting power, and are plastic cement material, are concave surface, picture at 651 dipped beam axis of object side surface It is convex surface at 652 dipped beam axis of side surface, and is all aspherical.
6th lens 660 have negative refracting power, and are plastic cement material, are concave surface, picture at 661 dipped beam axis of object side surface It is concave surface at 662 dipped beam axis of side surface, and is all aspherical.In addition, the 6th lens image side surface 662 includes an at least contrary flexure Point.
7th lens 670 have positive refracting power, and are plastic cement material, are concave surface, picture at 671 dipped beam axis of object side surface It is convex surface at 672 dipped beam axis of side surface, and is all aspherical.
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 for shooting group.
Cooperate again 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 with the first embodiment, and not in this to go forth.
Cooperation table 11 and table 12 can extrapolate following data:
In addition, in sixth embodiment, the first lens 610, the second lens 620, the third lens 630, the 4th lens 640, In five lens 650, the 6th lens 660 and the 7th lens 670, the abbe number of at least one lens with positive refracting power is less than 25, i.e. the 4th lens 640 and the 7th lens 670.
<the 7th embodiment>
Figure 13 and Figure 14 is please referred to, wherein Figure 13 is painted a kind of signal of image-taking device according to seventh embodiment of the invention Figure, Figure 14 are sequentially spherical aberration, astigmatism and the distortion curve graph of the 7th embodiment from left to right.As shown in Figure 13, the 7th embodiment Image-taking device include optical lens for shooting group (not another label) and electronics photosensitive element 795.Optical lens for shooting group By object side to image side sequentially include aperture 700, the first lens 710, the second lens 720, the third lens 730, the 4th lens 740, 5th lens 750, the 6th lens 760, the 7th lens 770, infrared ray filter out filter element 780 and imaging surface 790, and electronics Photosensitive element 795 is set to the imaging surface 790 of optical lens for shooting group, wherein the lens sum in optical lens for shooting group For seven (710-770).
First lens 710 have positive refracting power, and are plastic cement material, are convex surface, picture at 711 dipped beam axis of object side surface It is convex surface at 712 dipped beam axis of side surface, and is all aspherical.
Second lens 720 have negative refracting power, and are plastic cement material, are convex surface, picture at 721 dipped beam axis of object side surface It is concave surface at 722 dipped beam axis of side surface, and is all aspherical.
The third lens 730 have negative refracting power, and are plastic cement material, are convex surface, picture at 731 dipped beam axis of object side surface It is concave surface at 732 dipped beam axis of side surface, and is all aspherical.
4th lens 740 have negative refracting power, and are plastic cement material, are convex surface, picture at 741 dipped beam axis of object side surface It is concave surface at 742 dipped beam axis of side surface, and is all aspherical.In addition, the 4th lens object side surface 741 includes an at least contrary flexure Point.
5th lens 750 have positive refracting power, and are plastic cement material, are convex surface, picture at 751 dipped beam axis of object side surface It is convex surface at 752 dipped beam axis of side surface, and is all aspherical.
6th lens 760 have negative refracting power, and are plastic cement material, are convex surface, picture at 761 dipped beam axis of object side surface It is concave surface at 762 dipped beam axis of side surface, and is all aspherical.In addition, the 6th lens object side surface 761 and image side surface 762 are all Include an at least point of inflexion.
7th lens 770 have positive refracting power, and are plastic cement material, are convex surface, picture at 771 dipped beam axis of object side surface It is concave surface at 772 dipped beam axis of side surface, and is all aspherical.
It is glass material that infrared ray, which filters out filter element 780, is set between the 7th lens 770 and imaging surface 790 and not Influence the focal length of optical lens for shooting group.
Cooperate again referring to following table 13 and table 14.
In 7th 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 13 and table 14 can extrapolate following data:
In addition, in the 7th embodiment, the first lens 710, the second lens 720, the third lens 730, the 4th lens 740, In five lens 750, the 6th lens 760 and the 7th lens 770, the abbe number of at least one lens with positive refracting power is less than 25, i.e. the 7th lens 770.
<the 8th embodiment>
Figure 15 and Figure 16 is please referred to, wherein Figure 15 is painted a kind of signal of image-taking device according to eighth embodiment of the invention Figure, Figure 16 are sequentially spherical aberration, astigmatism and the distortion curve graph of the 8th embodiment from left to right.As shown in Figure 15, the 8th embodiment Image-taking device include optical lens for shooting group (not another label) and electronics photosensitive element 895.Optical lens for shooting group By object side to image side sequentially include aperture 800, the first lens 810, the second lens 820, the third lens 830, the 4th lens 840, 5th lens 850, the 6th lens 860, the 7th lens 870, infrared ray filter out filter element 880 and imaging surface 890, and electronics Photosensitive element 895 is set to the imaging surface 890 of optical lens for shooting group, wherein the lens sum in optical lens for shooting group For seven (810-870).
First lens 810 have positive refracting power, and are plastic cement material, are convex surface, picture at 811 dipped beam axis of object side surface It is convex surface at 812 dipped beam axis of side surface, and is all aspherical.
Second lens 820 have negative refracting power, and are plastic cement material, are convex surface, picture at 821 dipped beam axis of object side surface It is concave surface at 822 dipped beam axis of side surface, and is all aspherical.
The third lens 830 have negative refracting power, and are plastic cement material, are convex surface, picture at 831 dipped beam axis of object side surface It is concave surface at 832 dipped beam axis of side surface, and is all aspherical.
4th lens 840 have negative refracting power, and are plastic cement material, are convex surface, picture at 841 dipped beam axis of object side surface It is concave surface at 842 dipped beam axis of side surface, and is all aspherical.In addition, the 4th lens object side surface 841 and image side surface 842 are all Include an at least point of inflexion.
5th lens 850 have positive refracting power, and are plastic cement material, are convex surface, picture at 851 dipped beam axis of object side surface It is convex surface at 852 dipped beam axis of side surface, and is all aspherical.
6th lens 860 have negative refracting power, and are plastic cement material, are convex surface, picture at 861 dipped beam axis of object side surface It is concave surface at 862 dipped beam axis of side surface, and is all aspherical.In addition, the 6th lens object side surface 861 and image side surface 862 are all Include an at least point of inflexion.
7th lens 870 have positive refracting power, and are plastic cement material, are convex surface, picture at 871 dipped beam axis of object side surface It is concave surface at 872 dipped beam axis of side surface, and is all aspherical.
It is glass material that infrared ray, which filters out filter element 880, is set between the 7th lens 870 and imaging surface 890 and not Influence the focal length of optical lens for shooting group.
Cooperate again referring to following table 15 and table 16.
In 8th 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 15 and table 16 can extrapolate following data:
In addition, in the 8th embodiment, the first lens 810, the second lens 820, the third lens 830, the 4th lens 840, In five lens 850, the 6th lens 860 and the 7th lens 870, the abbe number of at least one lens with positive refracting power is less than 25, i.e. the 7th lens 870.
<the 9th embodiment>
Figure 17 and Figure 18 is please referred to, wherein Figure 17 is painted a kind of signal of image-taking device according to ninth embodiment of the invention Figure, Figure 18 are sequentially spherical aberration, astigmatism and the distortion curve graph of the 9th embodiment from left to right.As shown in Figure 17, the 9th embodiment Image-taking device include optical lens for shooting group (not another label) and electronics photosensitive element 995.Optical lens for shooting group By object side to image side sequentially include aperture 900, the first lens 910, the second lens 920, the third lens 930, the 4th lens 940, 5th lens 950, the 6th lens 960, the 7th lens 970, infrared ray filter out filter element 980 and imaging surface 990, and electronics Photosensitive element 995 is set to the imaging surface 990 of optical lens for shooting group, wherein the lens sum in optical lens for shooting group For seven (910-970).
First lens 910 have positive refracting power, and are plastic cement material, are convex surface, picture at 911 dipped beam axis of object side surface It is concave surface at 912 dipped beam axis of side surface, and is all aspherical.
Second lens 920 have negative refracting power, and are plastic cement material, are convex surface, picture at 921 dipped beam axis of object side surface It is concave surface at 922 dipped beam axis of side surface, and is all aspherical.
The third lens 930 have negative refracting power, and are plastic cement material, are convex surface, picture at 931 dipped beam axis of object side surface It is concave surface at 932 dipped beam axis of side surface, and is all aspherical.
4th lens 940 have positive refracting power, and are plastic cement material, are convex surface, picture at 941 dipped beam axis of object side surface It is convex surface at 942 dipped beam axis of side surface, and is all aspherical.In addition, the 4th lens object side surface 941 and image side surface 942 are all Include an at least point of inflexion.
5th lens 950 have positive refracting power, and are plastic cement material, are convex surface, picture at 951 dipped beam axis of object side surface It is convex surface at 952 dipped beam axis of side surface, and is all aspherical.
6th lens 960 have negative refracting power, and are plastic cement material, are convex surface, picture at 961 dipped beam axis of object side surface It is concave surface at 962 dipped beam axis of side surface, and is all aspherical.In addition, the 6th lens object side surface 961 and image side surface 962 are all Include an at least point of inflexion.
7th lens 970 have positive refracting power, and are plastic cement material, are convex surface, picture at 971 dipped beam axis of object side surface It is concave surface at 972 dipped beam axis of side surface, and is all aspherical.
It is glass material that infrared ray, which filters out filter element 980, is set between the 7th lens 970 and imaging surface 990 and not Influence the focal length of optical lens for shooting group.
Cooperate again referring to following table 17 and table 18.
In 9th 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 17 and table 18 can extrapolate following data:
In addition, in the 9th embodiment, the first lens 910, the second lens 920, the third lens 930, the 4th lens 940, In five lens 950, the 6th lens 960 and the 7th lens 970, the abbe number of at least one lens with positive refracting power is less than 25, i.e. the 4th lens 940.
<the tenth embodiment>
Figure 19 and Figure 20 is please referred to, wherein Figure 19 is painted a kind of signal of image-taking device according to tenth embodiment of the invention Figure, Figure 20 are sequentially spherical aberration, astigmatism and the distortion curve graph of the tenth embodiment from left to right.It appears from figure 19 that the tenth embodiment Image-taking device include optical lens for shooting group (not another label) and electronics photosensitive element 1095.Optical lens for shooting group It sequentially include the first lens 1010, aperture 1000, the second lens 1020, the third lens 1030, the 4th lens by object side to image side 1040, the 5th lens 1050, the 6th lens 1060, the 7th lens 1070, infrared ray filter out filter element 1080 and imaging surface 1090, and electronics photosensitive element 1095 is set to the imaging surface 1090 of optical lens for shooting group, wherein optical lens for shooting Lens sum in group is seven (1010-1070).
First lens 1010 have positive refracting power, and are plastic cement material, are convex surface at 1011 dipped beam axis of object side surface, It is concave surface at 1012 dipped beam axis of image side surface, and is all aspherical.
Second lens 1020 have negative refracting power, and are plastic cement material, are convex surface at 1021 dipped beam axis of object side surface, It is concave surface at 1022 dipped beam axis of image side surface, and is all aspherical.
The third lens 1030 have positive refracting power, and are plastic cement material, are convex surface at 1031 dipped beam axis of object side surface, It is concave surface at 1032 dipped beam axis of image side surface, and is all aspherical.
4th lens 1040 have negative refracting power, and are plastic cement material, are concave surface at 1041 dipped beam axis of object side surface, It is convex surface at 1042 dipped beam axis of image side surface, and is all aspherical.In addition, the 4th lens object side surface 1041 and image side surface 1042 all include an at least point of inflexion.
5th lens 1050 have negative refracting power, and are plastic cement material, are concave surface at 1051 dipped beam axis of object side surface, It is convex surface at 1052 dipped beam axis of image side surface, and is all aspherical.
6th lens 1060 have negative refracting power, and are plastic cement material, are convex surface at 1061 dipped beam axis of object side surface, It is concave surface at 1062 dipped beam axis of image side surface, and is all aspherical.In addition, the 6th lens object side surface 1061 and image side surface 1062 all include an at least point of inflexion.
7th lens 1070 have positive refracting power, and are plastic cement material, are convex surface at 1071 dipped beam axis of object side surface, It is convex surface at 1072 dipped beam axis of image side surface, and is all aspherical.
Infrared ray filter out filter element 1080 be glass material, be set between the 7th lens 1070 and imaging surface 1090 and The focal length of optical lens for shooting group is not influenced.
Cooperate again referring to following table 19 and table 20.
In tenth 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 19 and table 20 can extrapolate following data:
In addition, in the tenth embodiment, the first lens 1010, the second lens 1020, the third lens 1030, the 4th lens 1040, in the 5th lens 1050, the 6th lens 1060 and the 7th lens 1070, the color of at least one lens with positive refracting power Scattered coefficient is less than 25, i.e. the 7th lens 1070.
<the 11st embodiment>
1 and Figure 22 referring to figure 2., wherein Figure 21 is painted shows according to a kind of image-taking device of eleventh embodiment of the invention It is intended to, Figure 22 is sequentially spherical aberration, astigmatism and the distortion curve graph of the 11st embodiment from left to right.As shown in Figure 21, the ten one The image-taking device of embodiment includes optical lens for shooting group (not another label) and electronics photosensitive element 1195.Optical imaging Lens group sequentially includes the first lens 1110, aperture 1100, the second lens 1120, the third lens 1130, by object side to image side Four lens 1140, the 5th lens 1150, the 6th lens 1160, the 7th lens 1170, infrared ray filter out filter element 1180 and Imaging surface 1190, and electronics photosensitive element 1195 is set to the imaging surface 1190 of optical lens for shooting group, wherein camera shooting is used up Learning the lens sum in lens group is seven (1110-1170).
First lens 1110 have positive refracting power, and are plastic cement material, are convex surface at 1111 dipped beam axis of object side surface, It is concave surface at 1112 dipped beam axis of image side surface, and is all aspherical.
Second lens 1120 have negative refracting power, and are plastic cement material, are convex surface at 1121 dipped beam axis of object side surface, It is concave surface at 1122 dipped beam axis of image side surface, and is all aspherical.
The third lens 1130 have positive refracting power, and are plastic cement material, are convex surface at 1131 dipped beam axis of object side surface, It is concave surface at 1132 dipped beam axis of image side surface, and is all aspherical.
4th lens 1140 have negative refracting power, and are plastic cement material, are concave surface at 1141 dipped beam axis of object side surface, It is convex surface at 1142 dipped beam axis of image side surface, and is all aspherical.In addition, the 4th lens image side surface 1142 includes at least one anti- Qu Dian.
5th lens 1150 have positive refracting power, and are plastic cement material, are concave surface at 1151 dipped beam axis of object side surface, It is convex surface at 1152 dipped beam axis of image side surface, and is all aspherical.
6th lens 1160 have negative refracting power, and are plastic cement material, are convex surface at 1161 dipped beam axis of object side surface, It is concave surface at 1162 dipped beam axis of image side surface, and is all aspherical.In addition, the 6th lens object side surface 1161 and image side surface 1162 all include an at least point of inflexion.
7th lens 1170 have negative refracting power, and are plastic cement material, are concave surface at 1171 dipped beam axis of object side surface, It is concave surface at 1172 dipped beam axis of image side surface, and is all aspherical.
Infrared ray filter out filter element 1180 be glass material, be set between the 7th lens 1170 and imaging surface 1190 and The focal length of optical lens for shooting group is not influenced.
Cooperate again referring to following table 21 and table 22.
In 11st embodiment, aspherical fitting equation indicates the form such as first embodiment.In addition, following table parameter Definition be all identical with the first embodiment, not in this to go forth.
Cooperation table 21 and table 22 can extrapolate following data:
In addition, in the 11st embodiment, the first lens 1110, the second lens 1120, the third lens 1130, the 4th lens 1140, in the 5th lens 1150, the 6th lens 1160 and the 7th lens 1170, the color of at least one lens with positive refracting power Scattered coefficient is less than 25, i.e. the 5th lens 1150.
<the 12nd embodiment>
Referring to figure 2. 6, it is the schematic diagram for being painted a kind of electronic device 10 according to twelveth embodiment of the invention.Tenth The electronic device 10 of two embodiments is a smart phone, and electronic device 10 includes image-taking device 11, and image-taking device 11 includes foundation Optical lens for shooting group of the invention (figure does not disclose) and electronics photosensitive element (figure does not disclose), wherein electronics photosensitive element It is set to the imaging surface of optical lens for shooting group.
<the 13rd embodiment>
Referring to figure 2. 7, it is the schematic diagram for being painted a kind of electronic device 20 according to thriteenth embodiment of the invention.Tenth The electronic device 20 of three embodiments is a tablet computer, and electronic device 20 includes image-taking device 21, and image-taking device 21 includes foundation Optical lens for shooting group of the invention (figure does not disclose) and electronics photosensitive element (figure does not disclose), wherein electronics photosensitive element It is set to the imaging surface of optical lens for shooting group.
<the 14th embodiment>
Referring to figure 2. 8, it is the schematic diagram for being painted a kind of electronic device 30 according to fourteenth embodiment of the invention.Tenth The electronic device 30 of four embodiments is a head-mounted display (Head-mounted display, HMD), and electronic device 30 includes Image-taking device 31, image-taking device 31 include optical lens for shooting group (figure does not disclose) and the photosensitive member of electronics according to the present invention Part (figure does not disclose), wherein electronics photosensitive element is set to the imaging surface of optical lens for shooting 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 (20)

1. a kind of optical lens for shooting group, which is characterized in that sequentially include by object side to image side:
One first lens, one second lens, a third lens, one the 4th lens, one the 5th lens, one the 6th lens and 1 Seven lens;
Wherein, which has positive refracting power, is convex surface, the 6th lens object at the first lens object side surface dipped beam axis An at least surface is aspherical in side surface and image side surface, and in the 6th lens object side surface and image side surface an at least surface It is concave surface at the 7th lens image side surface dipped beam axis comprising an at least point of inflexion, and the 7th lens object side surface and image side An at least surface is aspherical in surface;
Wherein, the lens sum in the optical lens for shooting group is seven and lens to each other without relative movement, this is first thoroughly In mirror, second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens, until For the abbe number of few one lens with positive refracting power less than 25, the focal length of the optical lens for shooting group is f, first lens The radius of curvature of object side surface is R1, meets following condition:
3.23≤f/R1。
2. optical lens for shooting group according to claim 1, which is characterized in that first lens, are somebody's turn to do at second lens In the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens, between two adjacent lens all With an airspace.
3. optical lens for shooting group according to claim 2, which is characterized in that the first lens object side surface is to one one-tenth Image planes are TL in the distance on optical axis, and the focal length of the optical lens for shooting group is f, meet following condition:
0.70<TL/f≤1.06。
4. optical lens for shooting group according to claim 1, which is characterized in that the 7th lens image side surface includes extremely Few point of inflexion.
5. optical lens for shooting group according to claim 4, which is characterized in that the second lens object side surface dipped beam axis Place is convex surface, is concave surface at the second lens image side surface dipped beam axis.
6. optical lens for shooting group according to claim 4, which is characterized in that the focal length of the optical lens for shooting group Maximum image height for f, the optical lens for shooting group is ImgH, meets following condition:
2.20<f/ImgH<5.50。
7. optical lens for shooting group according to claim 4, which is characterized in that the maximum of the first lens object side surface Optics effective radius is Y11, and the maximum image height of the optical lens for shooting group is ImgH, meets following condition:
0.45<Y11/ImgH<1.0。
8. optical lens for shooting group according to claim 1, which is characterized in that the 6th lens have negative refracting power, It is concave surface at 6th lens image side surface dipped beam axis.
9. optical lens for shooting group according to claim 1, which is characterized in that the focal length of the 6th lens is f6, should The focal length of 7th lens is f7, meets following condition:
-2.0<f6/f7<1.5。
10. optical lens for shooting group according to claim 1, which is characterized in that the refracting power of first lens is P1, The refracting power of second lens is P2, and the refracting power of the third lens is P3, and the refracting power of the 4th lens is P4, and the 5th thoroughly The refracting power of mirror is P5, and the refracting power of the 6th lens is P6, and the refracting power of the 7th lens is P7, meets following condition:
(|P3|+|P4|+|P5|+|P7|)/(|P1|+|P2|+|P6|)<0.50。
11. optical lens for shooting group according to claim 1, which is characterized in that the abbe number of the 7th lens is V7 meets following condition:
V7<30。
12. optical lens for shooting group according to claim 1, which is characterized in that the 6th lens image side surface is faced The vertical range of boundary's point and optical axis is Yc62, and the 6th lens are in, with a thickness of CT6, meeting following condition on optical axis:
0.5<Yc62/CT6<7.5。
13. optical lens for shooting group according to claim 1, which is characterized in that the 7th lens image side surface to one Imaging surface is BL in the distance on optical axis, and the maximum image height of the optical lens for shooting group is ImgH, meets following condition:
0.10<BL/ImgH<0.40。
14. optical lens for shooting group according to claim 1, which is characterized in that the song of the first lens object side surface Rate radius is R1, and first lens are in, with a thickness of CT1, meeting following condition on optical axis:
R1/CT1<2.5。
15. optical lens for shooting group according to claim 14, which is characterized in that the song of the first lens object side surface Rate radius is R1, and first lens are in, with a thickness of CT1, meeting following condition on optical axis:
R1/CT1<1.8。
16. optical lens for shooting group according to claim 1, which is characterized in that the 7th lens have positive refracting power.
17. optical lens for shooting group according to claim 1, which is characterized in that second lens, the third lens, 4th lens, the object side surface of the 5th lens and the 6th lens and image side surface are all aspherical, and the 4th is saturating An at least surface for mirror includes an at least point of inflexion, and wherein the focal length of the optical lens for shooting group is f, the coke of the 4th lens Away from for f4, meet following condition:
|f/f4|<0.35。
18. optical lens for shooting group according to claim 1, which is characterized in that the 5th lens and the 6th lens It is T56 in the spacing distance on optical axis, each two adjacent lens are Σ AT in the summation of spacing distance on optical axis, are met following Condition:
0.40<T56/(ΣAT-T56)。
19. a kind of image-taking device, characterized by comprising:
Optical lens for shooting group as described in claim 1;And
One electronics photosensitive element is set to an imaging surface of the optical lens for shooting group.
20. a kind of electronic device, characterized by comprising:
Image-taking device as claimed in claim 19.
CN201910737753.3A 2016-02-04 2016-02-04 Optical lens for shooting group, image-taking device and electronic device Pending CN110426818A (en)

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