CN108427182A - Image optics eyeglass group and image-taking device - Google Patents

Image optics eyeglass group and image-taking device Download PDF

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Publication number
CN108427182A
CN108427182A CN201810244735.7A CN201810244735A CN108427182A CN 108427182 A CN108427182 A CN 108427182A CN 201810244735 A CN201810244735 A CN 201810244735A CN 108427182 A CN108427182 A CN 108427182A
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lens
image
eyeglass group
optics eyeglass
image optics
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CN201810244735.7A
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CN108427182B (en
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黄歆璇
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Largan Precision Co Ltd
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Largan Precision Co Ltd
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Abstract

The invention discloses a kind of image optics eyeglass group and image-taking devices.Image optics eyeglass group includes sequentially the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens by object side to image side.It is convex surface that first lens, which have positive refracting power, object side surface,.Second lens have negative refracting power.5th lens have negative refracting power.An at least surface for an at least lens has an at least point of inflexion in 5th lens and the 6th lens.Lens in image optics eyeglass group are six, and the material of at least four lens is plastic cement in the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.When a specific condition is satisfied, a specific region to be shot at a distance can be focused on, to promote the acquisition ability of this region high-resolution image.

Description

Image optics eyeglass group and image-taking device
The application be the applying date be on December 30th, 2014, application No. is 201410839755.0, entitled " imaging The divisional application of the patent application of optical mirror slip group, image-taking device and electronic device ".
Technical field
The invention relates to a kind of image optics eyeglass group and image-taking devices, and are applied in electricity in particular to a kind of Miniaturization image optics eyeglass group in sub-device and image-taking device.
Background technology
In recent years, with the rise of the portable electronic product with camera function, the demand of optical system increasingly improves. The photosensitive element of general optical system is nothing more than being photosensitive coupling element (Charge Coupled Device, CCD) or complementarity Matal-oxide semiconductor element (Complementary Metal-Oxide Semiconductor Sensor, CMOS Sensor) two kinds, and progressing greatly with manufacture of semiconductor technology so that the Pixel Dimensions of photosensitive element reduce, optical system by Gradually develop toward high pixel neighborhoods, therefore the requirement to image quality also increasingly increases.
The optical system of traditional vista shot (Telephoto) mostly uses multiple-piece construction and carries spherical glass lens, Such configuration not only causes camera lens volume excessive without portable, meanwhile, the excessively high stepping back for also making consumer's prestige of production unit cost, because This known optical system cannot be satisfied current ordinary consumer and pursue the convenient photography demand with multifunctionality.
Invention content
The present invention provides a kind of image optics eyeglass group, and the first lens and the second lens refracting power are matched through the invention It sets, avoidable image optics eyeglass group volume is excessive and the picture point of vista shot is made more to concentrate.Furthermore pass through optical imaging lens The control of the focal length of piece group and maximum image height can focus on a specific region to be shot at a distance, to promote this region high-res The acquisition ability of image.
A kind of image optics eyeglass group is provided according to the present invention, by object side to image side sequentially include the first lens, second thoroughly Mirror, the third lens, the 4th lens, the 5th lens and the 6th lens.It is convex that first lens, which have positive refracting power, object side surface, Face.Second lens have negative refracting power.5th lens, which have, bears refracting power, an at least lens in the 5th lens and the 6th lens An at least surface has an at least point of inflexion.Wherein, the lens in image optics eyeglass group are six, and the first lens, second are thoroughly The material of at least four lens is plastic cement in mirror, the third lens, the 4th lens, the 5th lens and the 6th lens.Image optics The focal length of lens set is f, and the maximum image height of image optics eyeglass group is ImgH, and the first lens object side surface is to imaging surface in optical axis On distance be TL, meet following condition：
2.0<f/ImgH≤3.18；And
0.70<TL/f<1.0。
A kind of image-taking device is separately provided according to the present invention, including image optics eyeglass group as mentioned in the previous paragraph and sense electronics Optical element, wherein electronics photosensitive element are set to the imaging surface of image optics eyeglass group.
A kind of image optics eyeglass group is provided again according to the present invention, includes sequentially the first lens, second by object side to image side Lens, the third lens, the 4th lens, the 5th lens and the 6th lens.First lens have positive refracting power, and object side surface is Convex surface and image side surface are concave surface.Second lens have negative refracting power.5th lens have negative refracting power, the 5th lens and the 6th An at least surface for an at least lens has an at least point of inflexion in lens.Wherein, the lens in image optics eyeglass group are six Piece, the material of at least four lens in the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens Matter is plastic cement.The focal length of image optics eyeglass group is f, and the maximum image height of image optics eyeglass group is ImgH, the first lens object side Surface is TL in the distance on optical axis to imaging surface, meets following condition：
2.0<f/ImgH；And
0.70<TL/f<1.0。
A kind of image-taking device is separately provided according to the present invention, including image optics eyeglass group as mentioned in the previous paragraph and sense electronics Optical element, wherein electronics photosensitive element are set to the imaging surface of image optics eyeglass group.
A kind of image optics eyeglass group is provided again according to the present invention, includes sequentially the first lens, second by object side to image side Lens, the third lens, the 4th lens, the 5th lens and the 6th lens.First lens have positive refracting power, and object side surface is Convex surface.Second lens have negative refracting power.5th lens, which have, bears refracting power, an at least lens in the 5th lens and the 6th lens An at least surface have an at least point of inflexion.Wherein, the lens in image optics eyeglass group are six, the first lens, second The material of at least four lens is plastic cement in lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Imaging The focal length for learning lens set is f, and the maximum image height of image optics eyeglass group is ImgH, and the first lens object side surface is to imaging surface in light Distance on axis is TL, meets following condition：
2.0<f/ImgH；
0.70<TL/f<1.0；And
2.0<TL/ImgH<3.0。
A kind of image-taking device is separately provided according to the present invention, including image optics eyeglass group as mentioned in the previous paragraph and sense electronics Optical element, wherein electronics photosensitive element are set to the imaging surface of image optics eyeglass group.
When f/ImgH meets above-mentioned condition, focusing range can be made to concentrate on a region at a distance, it is high to promote this region with profit The acquisition ability of analytical-density image.
When TL/f meets above-mentioned condition, the miniaturization of image optics eyeglass group can be effectively maintained.
When TL/ImgH meets above-mentioned condition, can control field range simultaneously, can effectively shorten image optics eyeglass group Total length, maintain its miniaturization.
Description of the drawings
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 the schematic diagram according to the parameter SAG62 of image optics eyeglass group in Fig. 1 image-taking devices；
Figure 22 is painted a kind of schematic diagram of electronic device according to eleventh embodiment of the invention；
Figure 23 is painted a kind of schematic diagram of electronic device according to twelveth embodiment of the invention；And
Figure 24 is painted a kind of schematic diagram of electronic device according to thriteenth 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
First lens：110、210、310、410、510、610、710、810、910、1010
Object side surface：111、211、311、411、511、611、711、811、911、1011
Image side surface：112、212、312、412、512、612、712、812、912、1012
Second lens：120、220、320、420、520、620、720、820、920、1020
Object side surface：121、221、321、421、521、621、721、821、921、1021
Image side surface：122、222、322、422、522、622、722、822、922、1022
The third lens：130、230、330、430、530、630、730、830、930、1030
Object side surface：131、231、331、431、531、631、731、831、931、1031
Image side surface：132、232、332、432、532、632、732、832、932、1032
4th lens：140、240、340、440、540、640、740、840、940、1040
Object side surface：141、241、341、441、541、641、741、841、941、1041
Image side surface：142、242、342、442、542、642、742、842、942、1042
5th lens：150、250、350、450、550、650、750、850、950、1050
Object side surface：151、251、351、451、551、651、751、851、951、1051
Image side surface：152、252、352、452、552、652、752、852、952、1052
6th lens：160、260、360、460、560、660、760、860、960、1060
Object side surface：161、261、361、461、561、661、761、861、961、1061
Image side surface：162、262、362、462、562、662、762、862、962、1062
Infrared ray filters out filter element：170、270、370、470、570、670、770、870、970、1070
Imaging surface：180、280、380、480、580、680、780、880、980、1080
Electronics photosensitive element：190、290、390、490、590、690、790、890、990、1090
f：The focal length of image optics eyeglass group
Fno：The f-number of image optics eyeglass group
HFOV：The half at the maximum visual angle of image optics eyeglass group
V1：The abbe number of first lens
V2：The abbe number of second lens
V3：The abbe number of the third lens
V4：The abbe number of 4th lens
V5：The abbe number of 5th lens
V6：The abbe number of 6th lens
N1：The refractive index of first lens
N2：The refractive index of second lens
N3：The refractive index of the third lens
N4：The refractive index of 4th lens
N5：The refractive index of 5th lens
N6：The refractive index of 6th lens
Nmax：The maximum in N1, N2, N3, N4, N5 and N6
CT1：First lens are in the thickness on optical axis
CT2：Second lens are in the thickness on optical axis
CT3：The third lens are in the thickness on optical axis
CT4：4th lens are in the thickness on optical axis
CT5：5th lens are in the thickness on optical axis
CT6：6th lens are in the thickness on optical axis
CTmax：The maximum in CT1, CT2, CT3, CT4, CT5 and CT6
ΣCT：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens are on optical axis Thickness summation
T12：First lens and the second lens are in the spacing distance on optical axis
T23：Second lens are with the third lens in the spacing distance on optical axis
T34：The third lens are with the 4th lens in the spacing distance on optical axis
T45：4th lens and the 5th lens are in the spacing distance on optical axis
T56：5th lens and the 6th lens are in the spacing distance on optical axis
R1：The radius of curvature of first lens object side surface
ImgH：The maximum image height of image optics eyeglass group
f12：The synthesis focal length of first lens and the second lens
f3456：The synthesis focal length of the third lens, the 4th lens, the 5th lens and the 6th lens
Y11：The maximum effective radius of first lens object side surface
Y62：The maximum effective radius of 6th lens image side surface
SAG62：Intersection point of 6th lens image side surface on optical axis to the 6th lens image side surface maximum effective radius Position is in the horizontal displacement distance of optical axis
ΣAT：Each two-phase in first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens Adjacent lens are in the summation of spacing distance on optical axis
SD：Aperture is to the 6th lens image side surface in the distance on optical axis
TL：First lens object side surface is to imaging surface in the distance on optical axis
Specific implementation mode
A kind of image optics eyeglass group is provided again according to the present invention, includes sequentially the first lens, second by object side to image side Lens, the third lens, the 4th lens, the 5th lens and the 6th lens have refracting power lens wherein in image optics eyeglass group It is six.
The first lens, the second lens, the third lens, the 4th lens, the 5th lens of image optics eyeglass group described in leading portion And the 6th in lens, with a spacing distance between the wantonly two adjacent lens with refracting power；That is, image optics eyeglass Group has six 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, also may be used Adaptation can be caused bad because of deviation, influence whole optical imagery quality.Therefore, in image optics eyeglass group of the present invention, appoint With a spacing distance between the two adjacent lens with refracting power, the problem that cemented lens can be effectively improved.
Without relative movement between the lens with refracting power in image optics eyeglass group described in leading portion, therefore eyeglass movement can be reduced Optical axis contraposition deviation between caused each lens.
It is convex surface that first lens, which have positive refracting power, object side surface, and image side surface can be concave surface.It whereby, can will be at As the aggregate capabilities of optical mirror slip group overall light concentrate on object side, helps to shorten back focal length and promote its miniaturization, together When can reduce the generation of astigmatism.
Second lens have negative refracting power, and image side surface can be concave surface.Whereby, contribute to the light of adjustment different-waveband Road makes picture point more concentrate, and can effectively correct the aberration of imaging optical mirror slip group.
The third lens can have positive refracting power, and image side surface can be concave surface.Whereby, image optics eyeglass can effectively be reduced The susceptibility of group.
4th lens, which can have positive refracting power, object side surface, to be concave surface, and image side surface can be convex surface.Whereby, may be used Effectively correct astigmatism and desensitising.
5th lens can have negative refracting power, and image side surface can be concave surface.Whereby, astigmatism can effectively be corrected.Furthermore the Five lens object side surfaces can turn concave surface to off-axis place from dipped beam axis by convex surface, so as to the aberration of modified off-axis visual field.
6th lens, which can have negative refracting power, object side surface, to be concave surface, and image side surface can be convex surface.Whereby, may be used Make the principal point (Principal Point) of image optics eyeglass group far from imaging surface, is conducive to shorten its back focal length to remain small Type, while imaging size is controlled, so that single photosensitive element pixel is had enough receipts light areas.
Furthermore an at least surface for an at least lens can have an at least point of inflexion in the 5th lens and the 6th lens.It borrows This, can effectively suppress the angle of off-axis field rays incidence, the aberration of modified off-axis visual field.
Image optics eyeglass group includes also an aperture, is set between object and the second lens (aperture and the first lens Between without have refracting power lens).Whereby, can increase imaging optical mirror slip group outgoing pupil (ExitPupil) and imaging surface away from From to promote telecentricity (Telecentric) effect, and then increase electronics photosensitive element receives the efficiency of light.Preferably, aperture It may be disposed between object and the first lens (without the lens with refracting power between aperture and object).
The focal length of image optics eyeglass group is f, and the maximum image height of image optics eyeglass group is ImgH, meets following item Part：2.0<f/ImgH.Whereby, focusing range can be made to concentrate on a region at a distance, this region high-resolution image is promoted with profit Acquisition ability.
First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens are in the thickness on optical axis Degree summation is Σ CT, each two-phase in the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens Adjacent lens are Σ AT in the summation of spacing distance on optical axis, and aperture to the 6th lens image side surface is in the distance on optical axis SD meets following condition：0.90<(ΣCT+ΣAT)/SD<1.30.It whereby, can be in the sophistication and system sky of vista shot Between configure between obtain balance.Preferably, following condition can be met：0.90<(ΣCT+ΣAT)/SD<1.20.
First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens are in the thickness on optical axis Degree summation is Σ CT, each two-phase in the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens Adjacent lens are Σ AT in the summation of spacing distance on optical axis, meet following condition：1.55<(ΣCT+ΣAT)/ΣCT.It borrows This, is conducive to the assembling of lens and can effectively maintain the miniaturization of image optics eyeglass group.
First lens object side surface is TL in the distance on optical axis to imaging surface, and the focal length of image optics eyeglass group is f, Meet following condition：0.50<TL/f<1.15.Whereby, the miniaturization of image optics eyeglass group can effectively be maintained.Preferably, can expire Foot row condition：0.70<TL/f<1.05.More preferably, following condition can be met：0.70<TL/f<1.0.
The abbe number of 4th lens is V4, meets following condition：V4<30.Whereby, contribute to image optics eyeglass group The amendment of aberration.
The focal length of image optics eyeglass group is f, and the radius of curvature of the first lens object side surface is R1, meets following item Part：3.0<f/R1.Whereby, can consolidation system object side refracting power, to promote the resolving power of distant place thin portion image.
5th lens and the 6th lens are T56 in the spacing distance on optical axis, and the first lens are in the thickness on optical axis CT1, the second lens are in the thickness on optical axis is CT2, the third lens are in the thickness on optical axis is CT3, four lens are on optical axis Thickness be CT4, the 5th lens in the thickness on optical axis be CT5 and the 6th lens in the thickness on optical axis be CT6, wherein most Big person is CTmax, meets following condition：0.70<T56/CTmax.Whereby, can appropriately configured lens spacing distance and thoroughly The thickness of mirror makes have sufficient space adjustment light beam, while make corrections higher order aberratons and image curvature.
The half at the maximum visual angle of image optics eyeglass group is HFOV, meets following condition：7.5 degree<HFOV<23.5 Degree.Whereby, can have field angle appropriate and imaging range.
Intersection point of 6th lens image side surface on optical axis to the 6th lens image side surface maximum effective radius position in The horizontal displacement distance of optical axis is SAG62, and the 6th lens are CT6 in the thickness on optical axis, meet following condition：SAG62+ CT6<0mm.Whereby, effectively the incident angle of imaging surface can be incident in by control system marginal ray, to promote connecing for photosensitive element It produces effects rate, the dark angle of image is avoided to generate.
The refractive index of first lens is N1, the refractive index of the second lens is N2, the refractive index of the third lens be N3, the 4th thoroughly The refractive index of mirror is N4, the refractive index of the 5th lens is N5 and the refractive index of the 6th lens is N6, and wherein the maximum is Nmax, It meets following condition：Nmax<1.70.Whereby, contribute to correct aberration.
First lens object side surface is TL in the distance on optical axis to imaging surface, and the maximum image height of image optics eyeglass group is ImgH meets following condition：2.0<TL/ImgH<3.0.Whereby, control field range simultaneously, can effectively shorten imaging The total length for learning lens set, maintains its miniaturization.
6th lens are CT6 in the thickness on optical axis, and the first lens are in the spacing distance on optical axis with the second lens T12 meets following condition：2<CT6/T12<30.Whereby, be conducive to the making and assembling of eyeglass, promote manufacture qualification rate.
The abbe number of first lens is V1, the abbe number of the second lens is V2, the abbe number of the third lens be V3, The abbe number of 4th lens is V4, the abbe number of the 5th lens is V5 and the abbe number of the 6th lens is V6, wherein At least the two is less than 27.Whereby, the aberration of imaging optical mirror slip group can be effectively corrected, and maintains image quality simultaneously.
The synthesis focal length of first lens and second lens is f12, the third lens, the 4th lens, the 5th lens and the 6th The synthesis focal length of lens is f3456, meets following condition：f12/f3456<0.30.Whereby, through image optics eyeglass group object Side is appropriately configured with image side end refracting power, effectively has both the resolution and miniature requirement of vista shot.
The maximum effective radius of first lens object side surface is Y11, and the maximum effective radius on the 6th lens image side surface is Y62 meets following condition：0.50<Y11/Y62<0.80.Whereby, can compact system overall length simultaneously, have enough entering lights Amount, to promote image quality.
First lens and the second lens are T12 in the spacing distance on optical axis, and the second lens are with the third lens on optical axis Spacing distance be T23, the third lens and the 4th lens are T34, the 4th lens and the 5th lens in the spacing distance on optical axis In the spacing distance on optical axis be T45, the 5th lens and the 6th lens in the spacing distance on optical axis it is T56, meets following Condition：0<T12<T23<T56；0<T12<T34<T56；0<T45<T23<T56；And 0<T45<T34<T56.Whereby, contribute to Configuration between each lens, to promote manufacture efficiency.
In image optics eyeglass group provided by the invention, the material of lens can be plastic cement or glass.When the material of lens is Plastic cement can effectively reduce production cost.The another material for working as lens is glass, then can increase imaging optical mirror slip group refracting power The degree of freedom of configuration.In addition, the object side surface and image side surface in image optics eyeglass group can be aspherical (ASP), it is aspherical It can be easy to be fabricated to the shape other than spherical surface, obtain more controlled variable, to cut down aberration, and then reduce lens and use Number, therefore can effectively reduce the total length of image optics eyeglass group of the present invention.
Furthermore in image optics eyeglass group provided by the invention, if lens surface is convex surface and does not define the convex surface position When, then it represents 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, table Show that the lens surface is concave surface at dipped beam axis.In image optics eyeglass group provided by the invention, if lens have positive refracting power Or the focal length of negative refracting power or lens, all refer to the refracting power or focal length at lens dipped beam axis.
In the image optics eyeglass group of the present invention, imaging surface (Image Surface) is according to its corresponding electronics photosensitive element Difference, can be a flat surface or have the curved surface of any curvature, particularly relate to concave surface towards the curved surface toward object side direction.
Can also include an aperture in the image optics eyeglass group of the present invention, aperture configuration can for preposition aperture or in set light Circle, wherein preposition aperture implies that aperture is set between object and the first lens, in set aperture and then indicate that aperture is set to first Between lens and imaging surface.If aperture is preposition aperture, outgoing pupil (Exit Pupil) and the imaging of image optics eyeglass group can be made Face generates longer distance, makes it have telecentricity (Telecentric) effect, and can increase electronics photosensitive element CCD or CMOS receives the efficiency of image；Aperture is set if in, is the field angle for contributing to expansion system, and image optics eyeglass group is made to have The advantage of wide-angle lens.
In addition, in image optics eyeglass group of the present invention, an at least diaphragm can be set on demand and helped with reducing stray light In promotion image quality.
The image optics eyeglass group of the present invention has both the characteristic of excellent lens error correction and good image quality.It also can be many-sided Applied to 3D (three-dimensional) image capture, digital camera, mobile device, digital flat panel, smart television, network monitoring device, body-sensing In game machine, automobile data recorder, the reversing electronic devices such as developing apparatus and wearable device.
The present invention separately provides a kind of image-taking device, including image optics eyeglass group above-mentioned and electronics photosensitive element, Middle electronics photosensitive element is set to the imaging surface of image optics eyeglass group.In image optics eyeglass group, by suitably adjusting first The configuration of lens and the second lens refracting power, avoidable image optics eyeglass group volume is excessive and makes the picture point of vista shot more It concentrates.Furthermore through the configuration of aperture and the first lens, microscope group can be increased and be emitted pupil at a distance from imaging surface, to promote telecentricity Effect, and then increase the efficiency that electronics photosensitive element receives light.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, including image-taking device above-mentioned.Whereby, the advantage of vista shot is being played Meanwhile with more excellent lens configuration and the design of face shape, to take into account the resolution and miniature requirement of vista shot simultaneously.Compared with Goodly, 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 the above embodiment, specific embodiment set forth below simultaneously coordinates 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 image optics eyeglass group (not another label) and electronics photosensitive element 190.Image optics eyeglass group is by object side to picture Side includes sequentially aperture 100, the first lens 110, the second lens 120, the third lens 130, the 4th lens 140, the 5th lens 150, the 6th lens 160, infrared ray filter out filter element 170 and imaging surface 180, and electronics photosensitive element 190 is set into As the imaging surface 180 of optical mirror slip group, the lens with refracting power are six (110-160) wherein in image optics eyeglass group, With a spacing distance between the wantonly two adjacent lens with refracting power, and without relative movement between the lens with refracting power.
First lens 110 have positive refracting power, and are plastic cement material, and object side surface 111 is convex surface, image side surface 112 be concave surface, and is all aspherical.
Second lens 120 have negative refracting power, and are plastic cement material, and object side surface 121 is convex surface, image side surface 122 be concave surface, and is all aspherical.
The third lens 130 have positive refracting power, and are plastic cement material, and object side surface 131 is convex surface, image side surface 132 be concave surface, and is all aspherical.
4th lens 140 have positive refracting power, and are plastic cement material, and object side surface 141 is concave surface, image side surface 142 be convex surface, and is all aspherical.
5th lens 150 have negative refracting power, and are plastic cement material, and object side surface 151 is convex surface, image side surface 152 be concave surface, and is all aspherical.In addition, the 5th lens object side surface 151 has an at least point of inflexion, the 5th lens object side Surface 151 turns concave surface to off-axis place from dipped beam axis by convex surface.
6th lens 160 have negative refracting power, and are plastic cement material, and object side surface 161 is concave surface, image side surface 162 be convex surface, and is all aspherical.In addition, the 6th lens object side surface 161 has an at least point of inflexion.
It is glass material that infrared ray, which filters out filter element 170, is set between the 6th lens 160 and imaging surface 180 and not Influence the focal length of image optics eyeglass group.
The aspherical fitting equation of above-mentioned each lens indicates as follows：
Wherein：
X：Apart from the point that optical axis is Y 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：I-th rank asphericity coefficient.
In the image optics eyeglass group of first embodiment, the focal length of image optics eyeglass group is f, image optics eyeglass group F-number (f-number) is Fno, and the half at maximum visual angle is HFOV in image optics eyeglass group, and numerical value is as follows：F= 5.96mm；Fno=2.60；And HFOV=20.0 degree.
In the image optics eyeglass group of first embodiment, the abbe number of the 4th lens 140 is V4, meets following item Part：V4=23.3.
In the image optics eyeglass group of first embodiment, the refractive index of the first lens 110 is the folding of N1, the second lens 120 The rate of penetrating is N2, the refractive index of the third lens 130 is N3, the refractive index of the 4th lens 140 is the refractive index of N4, the 5th lens 150 Refractive index for N5 and the 6th lens 160 is N6, and wherein the maximum is Nmax, meets following condition：Nmax=1.640.
In the image optics eyeglass group of first embodiment, the 6th lens 160 are CT6, the first lens in the thickness on optical axis 110 and second lens 120 in the spacing distance on optical axis be T12, meet following condition：CT6/T12=14.10.
In the image optics eyeglass group of first embodiment, the 5th lens 150 and the 6th lens 160 are in the interval distance on optical axis From for T56, the first lens 110 in the thickness on optical axis be CT1, the second lens 120 in the thickness on optical axis be CT2, third it is saturating Mirror 130 is in the thickness on optical axis is CT3, four lens 140 are in the thickness on optical axis is CT4, the 5th lens 150 are on optical axis Thickness be CT5 and the 6th lens 160 in the thickness on optical axis be CT6, wherein the maximum be CTmax, meet following condition： T56/CTmax=2.03.
In the image optics eyeglass group of first embodiment, the focal length of image optics eyeglass group is f, the first lens object side surface 111 radius of curvature is R1, meets following condition：F/R1=4.05.
In the image optics eyeglass group of first embodiment, the focal length of image optics eyeglass group is f, image optics eyeglass group Maximum image height is ImgH (i.e. the half of 190 effective sensing region diagonal line length of electronics photosensitive element), meets following condition：f/ ImgH=2.67.
In the image optics eyeglass group of first embodiment, the synthesis focal length of the first lens 110 and second lens 120 is F12, the third lens 130, the 4th lens 140, the 5th lens 150 and the 6th lens 160 synthesis focal length be f3456, meet Following condition：F12/f3456=-0.41.
In the image optics eyeglass group of first embodiment, the maximum effective radius of the first lens object side surface 111 is Y11, The maximum effective radius of 6th lens image side surface 162 is Y62, meets following condition：Y11/Y62=0.66.
Cooperation is the signal being painted according to the parameter SAG62 of image optics eyeglass group in Fig. 1 image-taking devices with reference to Figure 21 Figure.As shown in Figure 21, the maximum on intersection point to sixth lens image side surface 162 of the 6th lens image side surface 162 on optical axis has Imitating radial location, for SAG62, (horizontal displacement distance is defined as negative value towards object side direction, SAG62 in the horizontal displacement distance of optical axis； Horizontal displacement distance is then defined as positive value towards image side direction, SAG62), the 6th lens 160 are CT6 in the thickness on optical axis, are expired Foot row condition：SAG62+CT6=-0.34mm.
In the image optics eyeglass group of first embodiment, the first lens 110, the second lens 120, the third lens the 130, the 4th Lens 140, the 5th lens 150 and the 6th lens 160 are Σ CT in the thickness summation on optical axis, and the first lens 110, second are thoroughly Each two adjacent lens are in light in mirror 120, the third lens 130, the 4th lens 140, the 5th lens 150 and the 6th lens 160 The summation of spacing distance is Σ AT on axis, and 100 to the 6th lens image side surface 162 of aperture is SD in the distance on optical axis, is expired Foot row condition：(Σ CT+ Σ AT)/SD=1.13.
In the image optics eyeglass group of first embodiment, the first lens 110, the second lens 120, the third lens the 130, the 4th Lens 140, the 5th lens 150 and the 6th lens 160 are Σ CT in the thickness summation on optical axis, and the first lens 110, second are thoroughly Each two adjacent lens are in light in mirror 120, the third lens 130, the 4th lens 140, the 5th lens 150 and the 6th lens 160 The summation of spacing distance is Σ AT on axis, meets following condition：(Σ CT+ Σ AT)/Σ CT=1.92.
In the image optics eyeglass group of first embodiment, the first lens object side surface 111 is to imaging surface 180 on optical axis Distance is TL, and the focal length of image optics eyeglass group is f, meets following condition：TL/f=0.89.
In the image optics eyeglass of first embodiment, the first lens object side surface 111 to imaging surface 180 on optical axis away from From for TL, the maximum image height of image optics eyeglass group is ImgH, meets following condition：TL/ImgH=2.39.
In the image optics eyeglass group of first embodiment, the abbe numbers of the first lens 110 is V1, the second lens 120 Abbe number is V2, the abbe number of the third lens 130 is V3, the abbe number of the 4th lens 140 is V4, the 5th lens 150 Abbe number be V5 and the abbe number of the 6th lens 160 is V6, wherein both (V2=23.3 and V4=23.3) be less than 27。
In the image optics eyeglass group of first embodiment, the first lens 110 and the second lens 120 are in the interval distance on optical axis From for T12, the second lens 120 and the third lens 130 are T23, the third lens 130 and the 4th lens in the spacing distance on optical axis 140 in the spacing distance on optical axis be T34, the 4th lens 140 and the 5th lens 150 in the spacing distance on optical axis be T45, Five lens 150 and the 6th lens 160 are T56 in the spacing distance on optical axis, meet following condition：0<T12<T23<T56；0< T12<T34<T56；0<T45<T23<T56；And 0<T45<T34<T56.
Coordinate again with reference to following table one and table two.
Table one is the detailed structured data of Fig. 1 first embodiments, and wherein the unit of radius of curvature, thickness and focal length is mm, And surface 0-16 is sequentially indicated by the surface of object side to image side.Table two is the aspherical surface data in first embodiment, wherein k tables Conical surface coefficient in aspheric curve equation, A4-A14 then indicate each surface 4-14 rank asphericity coefficients.In addition, following Embodiment table is schematic diagram and the 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 with repeats herein.
<Second embodiment>
Fig. 3 and Fig. 4 is please referred to, 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 image optics eyeglass group (not another label) and electronics photosensitive element 290.Image optics eyeglass group is by object side to picture Side includes sequentially aperture 200, the first lens 210, the second lens 220, the third lens 230, the 4th lens 240, the 5th lens 250, the 6th lens 260, infrared ray filter out filter element 270 and imaging surface 280, and electronics photosensitive element 290 is set into As the imaging surface 280 of optical mirror slip group, the lens with refracting power are six (210-260) wherein in image optics eyeglass group, With a spacing distance between the wantonly two adjacent lens with refracting power, and without relative movement between the lens with refracting power.
First lens 210 have positive refracting power, and are plastic cement material, and object side surface 211 is convex surface, image side surface 212 be concave surface, and is all aspherical.
Second lens 220 have negative refracting power, and are plastic cement material, and object side surface 221 is convex surface, image side surface 222 be concave surface, and is all aspherical.
The third lens 230 have positive refracting power, and are plastic cement material, and object side surface 231 is convex surface, image side surface 232 be concave surface, and is all aspherical.
4th lens 240 have positive refracting power, and are plastic cement material, and object side surface 241 is concave surface, image side surface 242 be convex surface, and is all aspherical.
5th lens 250 have negative refracting power, and are plastic cement material, and object side surface 251 is convex surface, image side surface 252 be concave surface, and is all aspherical.In addition, the 5th lens object side surface 251 has an at least point of inflexion, the 5th lens object side Surface 251 turns concave surface to off-axis place from dipped beam axis by convex surface.
6th lens 260 have negative refracting power, and are plastic cement material, and object side surface 261 is concave surface, image side surface 262 be convex surface, and is all aspherical.In addition, the 6th lens object side surface 261 has an at least point of inflexion.
It is glass material that infrared ray, which filters out filter element 270, is set between the 6th lens 260 and imaging surface 280 and not Influence the focal length of image optics eyeglass group.
In addition, in the image optics eyeglass group of second embodiment, the abbe number of the first lens 210 is V1, the second lens 220 abbe number is V2, the abbe number of the third lens 230 is V3, the abbe number of the 4th lens 240 be V4, the 5th thoroughly The abbe number of mirror 250 is V5 and the abbe number of the 6th lens 260 is V6, wherein the two (V2=23.3 and V4=23.3) Less than 27.
Coordinate again with reference 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>
Fig. 5 and Fig. 6 is please referred to, 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 image optics eyeglass group (not another label) and electronics photosensitive element 390.Image optics eyeglass group is by object side to picture Side includes sequentially aperture 300, the first lens 310, the second lens 320, the third lens 330, the 4th lens 340, the 5th lens 350, the 6th lens 360, infrared ray filter out filter element 370 and imaging surface 380, and electronics photosensitive element 390 is set into As the imaging surface 380 of optical mirror slip group, the lens with refracting power are six (310-360) wherein in image optics eyeglass group, With a spacing distance between the wantonly two adjacent lens with refracting power, and without relative movement between the lens with refracting power.
First lens 310 have positive refracting power, and are plastic cement material, and object side surface 311 is convex surface, image side surface 312 be concave surface, and is all aspherical.
Second lens 320 have negative refracting power, and are plastic cement material, and object side surface 321 is convex surface, image side surface 322 be concave surface, and is all aspherical.
The third lens 330 have positive refracting power, and are plastic cement material, and object side surface 331 is convex surface, image side surface 332 be concave surface, and is all aspherical.
4th lens 340 have positive refracting power, and are plastic cement material, and object side surface 341 is convex surface, image side surface 342 be convex surface, and is all aspherical.
5th lens 350 have negative refracting power, and are plastic cement material, and object side surface 351 is convex surface, image side surface 352 be concave surface, and is all aspherical.In addition, the 5th lens object side surface 351 and image side surface 352 all have an at least contrary flexure Point, the 5th lens object side surface 351 turn concave surface to off-axis place from dipped beam axis by convex surface.
6th lens 360 have negative refracting power, and are plastic cement material, and object side surface 361 is concave surface, image side surface 362 be concave surface, and is all aspherical.In addition, the 6th lens image side surface 362 has an at least point of inflexion.
It is glass material that infrared ray, which filters out filter element 370, is set between the 6th lens 360 and imaging surface 380 and not Influence the focal length of image optics eyeglass group.
In addition, in the image optics eyeglass group of 3rd embodiment, the abbe number of the first lens 310 is V1, the second lens 320 abbe number is V2, the abbe number of the third lens 330 is V3, the abbe number of the 4th lens 340 be V4, the 5th thoroughly The abbe number of mirror 350 is V5 and the abbe number of the 6th lens 360 is V6, wherein the two (V2=23.3 and V4=23.3) Less than 27.
In the image optics eyeglass group of 3rd embodiment, the first lens 310 and the second lens 320 are in the interval distance on optical axis From for T12, the second lens 320 and the third lens 330 are T23, the third lens 330 and the 4th lens in the spacing distance on optical axis 340 in the spacing distance on optical axis be T34, the 4th lens 340 and the 5th lens 350 in the spacing distance on optical axis be T45, Five lens 350 and the 6th lens 360 are T56 in the spacing distance on optical axis, meet following condition：0<T12<T23<T56；0< T12<T34<T56；0<T45<T23<T56；And 0<T45<T34<T56.Coordinate again with reference 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 image optics eyeglass group (not another label) and electronics photosensitive element 490.Image optics eyeglass group is by object side to picture Side includes sequentially aperture 400, the first lens 410, the second lens 420, the third lens 430, the 4th lens 440, the 5th lens 450, the 6th lens 460, infrared ray filter out filter element 470 and imaging surface 480, and electronics photosensitive element 490 is set into As the imaging surface 480 of optical mirror slip group, the lens with refracting power are six (410-460) wherein in image optics eyeglass group, With a spacing distance between the wantonly two adjacent lens with refracting power, and without relative movement between the lens with refracting power.
First lens 410 have positive refracting power, and are plastic cement material, and object side surface 411 is convex surface, image side surface 412 be concave surface, and is all aspherical.
Second lens 420 have negative refracting power, and are plastic cement material, and object side surface 421 is convex surface, image side surface 422 be concave surface, and is all aspherical.
The third lens 430 have positive refracting power, and are plastic cement material, and object side surface 431 is convex surface, image side surface 432 be concave surface, and is all aspherical.
4th lens 440 have positive refracting power, and are plastic cement material, and object side surface 441 is concave surface, image side surface 442 be convex surface, and is all aspherical.
5th lens 450 have negative refracting power, and are plastic cement material, and object side surface 451 is convex surface, image side surface 452 be concave surface, and is all aspherical.In addition, the 5th lens object side surface 451 and image side surface 452 all have an at least contrary flexure Point, the 5th lens object side surface 451 turn concave surface to off-axis place from dipped beam axis by convex surface.
6th lens 460 have negative refracting power, and are plastic cement material, and object side surface 461 is concave surface, image side surface 462 be convex surface, and is all aspherical.In addition, the 6th lens object side surface 461 has an at least point of inflexion.
It is glass material that infrared ray, which filters out filter element 470, is set between the 6th lens 460 and imaging surface 480 and not Influence the focal length of image optics eyeglass group.
In addition, in the image optics eyeglass group of fourth embodiment, the abbe number of the first lens 410 is V1, the second lens 420 abbe number is V2, the abbe number of the third lens 430 is V3, the abbe number of the 4th lens 440 be V4, the 5th thoroughly The abbe number of mirror 450 is V5 and the abbe number of the 6th lens 460 is V6, wherein three (V2=23.5, V4=21.4 and V6=21.4) it is less than 27.
In the image optics eyeglass group of fourth embodiment, the first lens 410 and the second lens 420 are in the interval distance on optical axis From for T12, second saturating 420 with the third lens 430 in the spacing distance on optical axis be T23, the third lens 430 and the 4th lens 440 in the spacing distance on optical axis be T34, the 4th lens 440 and the 5th lens 450 in the spacing distance on optical axis be T45, Five lens 450 and the 6th lens 460 are T56 in the spacing distance on optical axis, meet following condition：0<T12<T23<T56；0< T12<T34<T56；0<T45<T23<T56；And 0<T45<T34<T56.
Coordinate again with reference 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：
<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 image optics eyeglass group (not another label) and electronics photosensitive element 590.Image optics eyeglass group is by object side It is sequentially saturating comprising aperture 500, the first lens 510, the second lens 520, the third lens 530, the 4th lens the 540, the 5th to image side Mirror 550, the 6th lens 560, infrared ray filter out filter element 570 and imaging surface 580, and electronics photosensitive element 590 is set to The imaging surface 580 of image optics eyeglass group, the lens with refracting power are six (510- wherein in image optics eyeglass group 560), with a spacing distance between the wantonly two adjacent lens with refracting power, and without relative movement between the lens with refracting power.
First lens 510 have positive refracting power, and are plastic cement material, and object side surface 511 is convex surface, image side surface 512 be concave surface, and is all aspherical.
Second lens 520 have negative refracting power, and are plastic cement material, and object side surface 521 is convex surface, image side surface 522 be concave surface, and is all aspherical.
The third lens 530 have positive refracting power, and are plastic cement material, and object side surface 531 is convex surface, image side surface 532 be concave surface, and is all aspherical.
4th lens 540 have negative refracting power, and are plastic cement material, and object side surface 541 is concave surface, image side surface 542 be convex surface, and is all aspherical.
5th lens 550 have positive refracting power, and are plastic cement material, and object side surface 551 is convex surface, image side surface 552 be concave surface, and is all aspherical.In addition, the 5th lens object side surface 551 and image side surface 552 all have an at least contrary flexure Point, the 5th lens object side surface 551 turn concave surface to off-axis place from dipped beam axis by convex surface.
6th lens 560 have negative refracting power, and are plastic cement material, and object side surface 561 is concave surface, image side surface 562 be convex surface, and is all aspherical.In addition, the 6th lens object side surface 561 has an at least point of inflexion.
It is glass material that infrared ray, which filters out filter element 570, is set between the 6th lens 560 and imaging surface 580 and not Influence the focal length of image optics eyeglass group.
In addition, in the image optics eyeglass group of the 5th embodiment, the first lens 510 and the second lens 520 are on optical axis Spacing distance is T12, and the second lens 520 and the third lens 530 are T23 in the spacing distance on optical axis, the third lens 530 and the Four lens 540 are T34 in the spacing distance on optical axis, and the 4th lens 540 are in the spacing distance on optical axis with the 5th lens 550 T45, the 5th lens 550 and the 6th saturating 560 are T56 in the spacing distance on optical axis, meet following condition：0<T12<T23< T56；0<T12<T34<T56；0<T45<T23<T56；And 0<T45<T34<T56.Coordinate again with reference 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：
<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 image optics eyeglass group (not another label) and electronics photosensitive element 690.Image optics eyeglass group is by object Side to image side includes sequentially aperture 600, the first lens 610, the second lens 620, the third lens 630, the 4th lens the 640, the 5th Lens 650, the 6th lens 660, infrared ray filter out filter element 670 and imaging surface 680, and electronics photosensitive element 690 is arranged In the imaging surface 680 of image optics eyeglass group, the lens with refracting power are six (610- wherein in image optics eyeglass group 660), with a spacing distance between the wantonly two adjacent lens with refracting power, and without relative movement between the lens with refracting power.
First lens 610 have positive refracting power, and are plastic cement material, and object side surface 611 is convex surface, image side surface 612 be convex surface, and is all aspherical.
Second lens 620 have negative refracting power, and are plastic cement material, and object side surface 621 is concave surface, image side surface 622 be concave surface, and is all aspherical.
The third lens 630 have positive refracting power, and are plastic cement material, and object side surface 631 is convex surface, image side surface 632 be concave surface, and is all aspherical.
4th lens 640 have negative refracting power, and are plastic cement material, and object side surface 641 is concave surface, image side surface 642 be convex surface, and is all aspherical.
5th lens 650 have positive refracting power, and are plastic cement material, and object side surface 651 is convex surface, image side surface 652 be concave surface, and is all aspherical.In addition, the 5th lens object side surface 651 and image side surface 652 all have an at least contrary flexure Point, the 5th lens object side surface 651 turn concave surface to off-axis place from dipped beam axis by convex surface.
6th lens 660 have negative refracting power, and are plastic cement material, and object side surface 661 is concave surface, image side surface 662 be convex surface, and is all aspherical.In addition, the 6th lens object side surface 661 has an at least point of inflexion.
It is glass material that infrared ray, which filters out filter element 670, is set between the 6th lens 660 and imaging surface 680 and not Influence the focal length of image optics eyeglass group.
In addition, in the image optics eyeglass group of sixth embodiment, the abbe number of the first lens 610 is V1, the second lens 620 abbe number is V2, the abbe number of the third lens 630 is V3, the abbe number of the 4th lens 640 be V4, the 5th thoroughly The abbe number of mirror 650 is V5 and the abbe number of the 6th lens 660 is V6, wherein the two (V2=25.6 and V4=21.4) Less than 27.
In the image optics eyeglass group of sixth embodiment, the first lens 610 and the second lens 620 are in the interval distance on optical axis From for T12, the second lens 620 and the third lens 630 are T23, the third lens 630 and the 4th lens in the spacing distance on optical axis 640 in the spacing distance on optical axis be T34, the 4th lens 640 and the 5th lens 650 in the spacing distance on optical axis be T45, Five lens 650 and the 6th lens 660 are T56 in the spacing distance on optical axis, meet following condition：0<T12<T23<T56；0< T12<T34<T56；0<T45<T23<T56；And 0<T45<T34<T56.
Coordinate again with reference 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：
<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 image optics eyeglass group (not another label) and electronics photosensitive element 790.Image optics eyeglass group is by object Side to image side includes sequentially the first lens 710, aperture 700, the second lens 720, the third lens 730, the 4th lens the 740, the 5th Lens 750, the 6th lens 760, infrared ray filter out filter element 770 and imaging surface 780, and electronics photosensitive element 790 is arranged In the imaging surface 780 of image optics eyeglass group, the lens with refracting power are six (710- wherein in image optics eyeglass group 760), with a spacing distance between the wantonly two adjacent lens with refracting power, and without relative movement between the lens with refracting power.
First lens 710 have positive refracting power, and are plastic cement material, and object side surface 711 is convex surface, image side surface 712 be convex surface, and is all aspherical.
Second lens 720 have negative refracting power, and are plastic cement material, and object side surface 721 is concave surface, image side surface 722 be concave surface, and is all aspherical.
The third lens 730 have negative refracting power, and are plastic cement material, and object side surface 731 is convex surface, image side surface 732 be concave surface, and is all aspherical.
4th lens 740 have positive refracting power, and are plastic cement material, and object side surface 741 is convex surface, image side surface 742 be convex surface, and is all aspherical.
5th lens 750 have negative refracting power, and are plastic cement material, and object side surface 751 is convex surface, image side surface 752 be concave surface, and is all aspherical.In addition, the 5th lens object side surface 751 and image side surface 752 all have an at least contrary flexure Point, the 5th lens object side surface 751 turn concave surface to off-axis place from dipped beam axis by convex surface.
6th lens 760 have negative refracting power, and are plastic cement material, and object side surface 761 is concave surface, image side surface 762 be convex surface, and is all aspherical.In addition, the 6th lens object side surface 761 has an at least point of inflexion.
It is glass material that infrared ray, which filters out filter element 770, is set between the 6th lens 760 and imaging surface 780 and not Influence the focal length of image optics eyeglass group.
In addition, in the image optics eyeglass group of the 7th embodiment, the one 710 abbe number is V1, the second lens 720 Abbe number is V2, the abbe number of the third lens 730 is V3, the abbe number of the 4th lens 740 is V4, the 5th lens 750 Abbe number be V5 and the abbe number of the 6th lens 760 is V6, wherein both (V2=25.6 and V4=25.7) be less than 27。
In the image optics eyeglass group of 7th embodiment, the first lens 710 and the second lens 720 are in the interval distance on optical axis From for T12, the second lens 720 and the third lens 730 are T23, the third lens 730 and the 4th lens in the spacing distance on optical axis 740 in the spacing distance on optical axis be T34, the 4th lens 740 and the 5th lens 750 in the spacing distance on optical axis be T45, Five lens 750 and the 6th lens 760 are T56 in the spacing distance on optical axis, meet following condition：0<T12<T23<T56；0< T12<T34<T56；0<T45<T23<T56；And 0<T45<T34<T56.
Coordinate again with reference 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：
<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 image optics eyeglass group (not another label) and electronics photosensitive element 890.Image optics eyeglass group is by object Side to image side includes sequentially aperture 800, the first lens 810, the second lens 820, the third lens 830, the 4th lens the 840, the 5th Lens 850, the 6th lens 860, infrared ray filter out filter element 870 and imaging surface 880, and electronics photosensitive element 890 is arranged In the imaging surface 880 of image optics eyeglass group, the lens with refracting power are six (810- wherein in image optics eyeglass group 860), with a spacing distance between the wantonly two adjacent lens with refracting power, and without relative movement between the lens with refracting power.
First lens 810 have positive refracting power, and are plastic cement material, and object side surface 811 is convex surface, image side surface 812 be concave surface, and is all aspherical.
Second lens 820 have negative refracting power, and are plastic cement material, and object side surface 821 is convex surface, image side surface 822 be concave surface, and is all aspherical.
The third lens 830 have positive refracting power, and are plastic cement material, and object side surface 831 is convex surface, image side surface 832 be concave surface, and is all aspherical.
4th lens 840 have negative refracting power, and are plastic cement material, and object side surface 841 is concave surface, image side surface 842 be convex surface, and is all aspherical.
5th lens 850 have negative refracting power, and are plastic cement material, and object side surface 851 is convex surface, image side surface 852 be concave surface, and is all aspherical.In addition, the 5th lens object side surface 851 and image side surface 852 all have an at least contrary flexure Point, the 5th lens object side surface 851 turn concave surface to off-axis place from dipped beam axis by convex surface.
6th lens 860 have positive refracting power, and are plastic cement material, and object side surface 861 is convex surface, image side surface 862 be convex surface, and is all aspherical.In addition, the 6th lens object side surface 861 has an at least point of inflexion.
It is glass material that infrared ray, which filters out filter element 870, is set between the 6th lens 860 and imaging surface 880 and not Influence the focal length of image optics eyeglass group.
In addition, in the image optics eyeglass group of the 8th embodiment, the abbe number of the first lens 810 is V1, the second lens 820 abbe number is V2, the abbe number of the third lens 830 is V3, the abbe number of the 4th lens 840 be V4, the 5th thoroughly The abbe number of mirror 850 is V5 and the abbe number of the 6th lens 860 is V6, wherein three (V2=23.3, V4=23.3 and V6=23.3) it is less than 27.Coordinate again with reference 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：
<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 image optics eyeglass group (not another label) and electronics photosensitive element 990.Image optics eyeglass group is by object Side to image side includes sequentially the first lens 910, aperture 900, the second lens 920, the third lens 930, the 4th lens the 940, the 5th Lens 950, the 6th lens 960, infrared ray filter out filter element 970 and imaging surface 980, and electronics photosensitive element 990 is arranged In the imaging surface 980 of image optics eyeglass group, the lens with refracting power are six (910- wherein in image optics eyeglass group 960), with a spacing distance between the wantonly two adjacent lens with refracting power, and without relative movement between the lens with refracting power.
First lens 910 have positive refracting power, and are plastic cement material, and object side surface 911 is convex surface, image side surface 912 be concave surface, and is all aspherical.
Second lens 920 have negative refracting power, and are plastic cement material, and object side surface 921 is convex surface, image side surface 922 be concave surface, and is all aspherical.
The third lens 930 have positive refracting power, and are plastic cement material, and object side surface 931 is convex surface, image side surface 932 be concave surface, and is all aspherical.
4th lens 940 have positive refracting power, and are plastic cement material, and object side surface 941 is concave surface, image side surface 942 be convex surface, and is all aspherical.
5th lens 950 have negative refracting power, and are plastic cement material, and object side surface 951 is convex surface, image side surface 952 be concave surface, and is all aspherical.In addition, the 5th lens object side surface 951 and image side surface 952 all have an at least contrary flexure Point, the 5th lens object side surface 951 turn concave surface to off-axis place from dipped beam axis by convex surface.
6th lens 960 have negative refracting power, and are plastic cement material, and object side surface 961 is concave surface, image side surface 962 be convex surface, and is all aspherical.
It is glass material that infrared ray, which filters out filter element 970, is set between the 6th lens 960 and imaging surface 980 and not Influence the focal length of image optics eyeglass group.
In addition, in the image optics eyeglass group of the 9th embodiment, the abbe number of the first lens 910 is V1, the second lens 920 abbe number is V2, the abbe number of third saturating 930 is V3, the abbe number of the 4th lens 940 is V4, the 5th lens 950 abbe number is V5 and the abbe number of the 6th lens 960 is V6, wherein the two (V2=23.3 and V4=23.3) is small In 27.
In the image optics eyeglass group of 9th embodiment, the first lens 910 and the second lens 920 are in the interval distance on optical axis From for T12, the second lens 920 and the third lens 930 are T23, the third lens 930 and the 4th lens in the spacing distance on optical axis 940 in the spacing distance on optical axis be T34, the 4th lens 940 and the 5th lens 950 in the spacing distance on optical axis be T45, Five lens 950 and the 6th lens 960 are T56 in the spacing distance on optical axis, meet following condition：0<T12<T23<T56；0< T12<T34<T56；0<T45<T23<T56；And 0<T45<T34<T56.
Coordinate again with reference 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：
<Tenth embodiment>
Figure 10 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 image optics eyeglass group (not another label) and electronics photosensitive element 1090.Image optics eyeglass group is by object Side to image side sequentially include aperture 1000, the first lens 1010, the second lens 1020, the third lens 1030, the 4th lens 1040, 5th lens 1050, the 6th lens 1060, infrared ray filter out filter element 1070 and imaging surface 1080, and electronics photosensitive element 1090 are set to the imaging surface 1080 of image optics eyeglass group, and the lens with refracting power are six wherein in image optics eyeglass group Piece (1010-1060), with a spacing distance between the wantonly two adjacent lens with refracting power, and nothing between the lens with refracting power Relative movement.
First lens 1010 have positive refracting power, and are plastic cement material, and object side surface 1011 is convex surface, image side surface 1012 be convex surface, and is all aspherical.
Second lens 1020 have negative refracting power, and are plastic cement material, and object side surface 1021 is concave surface, image side surface 1022 be concave surface, and is all aspherical.
The third lens 1030 have negative refracting power, and are plastic cement material, and object side surface 1031 is concave surface, image side surface 1032 be convex surface, and is all aspherical.
4th lens 1040 have positive refracting power, and are plastic cement material, and object side surface 1041 is concave surface, image side surface 1042 be convex surface, and is all aspherical.
5th lens 1050 have positive refracting power, and are plastic cement material, and object side surface 1051 is convex surface, image side surface 1052 be concave surface, and is all aspherical.In addition, the 5th lens object side surface 1051 and image side surface 1052 are all anti-with at least one Qu Dian, the 5th lens object side surface 1051 turn concave surface to off-axis place from dipped beam axis by convex surface.
6th lens 1060 have negative refracting power, and are plastic cement material, and object side surface 1061 is concave surface, image side surface 1062 be concave surface, and is all aspherical.In addition, the 6th lens image side surface 1062 has an at least point of inflexion.
Infrared ray filter out filter element 1070 be glass material, be set between the 6th lens 1060 and imaging surface 1080 and The focal length of image optics eyeglass group is not influenced.
In addition, in the image optics eyeglass group of the tenth embodiment, the abbe number of the first lens 1010 is V1, the second lens 1020 abbe number is V2, the abbe number of the third lens 1030 is V3, the abbe number of the 4th lens 1040 is V4, the 5th The abbe number of lens 1050 is V5 and the abbe number of the 6th lens 1060 is V6, wherein three (V2=23.3, V4= 23.3 and V6=23.3) it is less than 27.
In the image optics eyeglass group of tenth embodiment, the first lens 1010 and the second lens 1020 are in the interval on optical axis Distance is T12, and the second lens 1020 and the third lens 1030 are T23 in the spacing distance on optical axis, the third lens 1030 and the Four lens 1040 are T34 in the spacing distance on optical axis, and the 4th lens 1040 and the 5th lens 1050 are in the interval distance on optical axis From in the spacing distance on optical axis being T56 for T45, the 5th lens 1050 and the 6th lens 1060, meet following condition：0< T12<T23<T56；0<T12<T34<T56；0<T45<T23<T56；And 0<T45<T34<T56.
Coordinate again with reference 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：
<11st embodiment>
Figure 22 is please referred to, is the schematic diagram for being painted a kind of electronic device 10 according to eleventh embodiment of the invention.Tenth The electronic device 10 of one embodiment is a smart mobile phone, and electronic device 10 includes image-taking device 11, and image-taking device 11 includes foundation The image optics eyeglass group (figure does not disclose) and electronics photosensitive element (figure does not disclose) of the present invention, wherein electronics photosensitive element is set It is placed in the imaging surface of image optics eyeglass group.
<12nd embodiment>
Figure 23 is please referred to, is the schematic diagram for being painted a kind of electronic device 20 according to twelveth embodiment of the invention.Tenth The electronic device 20 of two embodiments is a tablet computer, and electronic device 20 includes image-taking device 21, and image-taking device 21 includes foundation The image optics eyeglass group (figure does not disclose) and electronics photosensitive element (figure does not disclose) of the present invention, wherein electronics photosensitive element is set It is placed in the imaging surface of image optics eyeglass group.
<13rd embodiment>
Figure 24 is please referred to, is the schematic diagram for being painted a kind of electronic device 30 according to thriteenth embodiment of the invention.Tenth The electronic device 30 of three embodiments is a head-mounted display (Head-mounted display, HMD), and electronic device 30 includes Image-taking device 31, image-taking device 31 include image optics eyeglass group (figure does not disclose) and electronics photosensitive element according to the present invention (figure does not disclose), wherein electronics photosensitive element is set to the imaging surface of image optics eyeglass 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 (30)

1. a kind of image optics eyeglass group, which is characterized in that by object side to image side sequentially include one first lens, one second thoroughly Mirror, a third lens, one the 4th lens, one the 5th lens and one the 6th lens, wherein first lens have positive refracting power, The first lens object side surface is convex surface, which has negative refracting power, and the 5th lens, which have, bears refracting power, the 5th An at least surface for an at least lens has an at least point of inflexion in lens and the 6th lens；
Wherein, the lens in the image optics eyeglass group are six, first lens, second lens, the third lens, this The material of at least four lens is plastic cement in four lens, the 5th lens and the 6th lens, the image optics eyeglass group Focal length is f, and the maximum image height of the image optics eyeglass group is ImgH, and the first lens object side surface a to imaging surface is on optical axis Distance be TL, meet following condition：
2.0<f/ImgH≤3.18；And
0.70<TL/f<1.0。
2. image optics eyeglass group according to claim 1, which is characterized in that the second lens image side surface is concave surface, 5th lens image side surface is concave surface.
3. image optics eyeglass group according to claim 1, which is characterized in that the abbe number of the 4th lens is V4, It meets following condition：
V4<30。
4. image optics eyeglass group according to claim 1, which is characterized in that the focal length of the image optics eyeglass group is f, The radius of curvature of the first lens object side surface is R1, meets following condition：
3.0<f/R1。
5. image optics eyeglass group according to claim 1, which is characterized in that the second lens object side surface is convex surface.
6. image optics eyeglass group according to claim 1, which is characterized in that first lens, second lens, this There is in three lens, the 4th lens, the 5th lens and the 6th lens between two adjacent lens a spacing distance, it should The half at the maximum visual angle of image optics eyeglass group is HFOV, meets following condition：
7.5 degree<HFOV<23.5 degree.
7. image optics eyeglass group according to claim 1, which is characterized in that the refractive index of first lens is N1, is somebody's turn to do The refractive index of second lens is N2, the refractive index of the third lens is N3, the refractive index of the 4th lens is N4, the 5th lens Refractive index be N5 and the refractive index of the 6th lens is N6, wherein the maximum is Nmax, meets following condition：
Nmax<1.70。
8. image optics eyeglass group according to claim 1, which is characterized in that the 5th lens object side surface is from dipped beam axis Place to off-axis place turns concave surface by convex surface.
9. image optics eyeglass group according to claim 1, which is characterized in that the abbe number of first lens be V1, The abbe number of second lens is V2, the abbe number of the third lens is V3, the abbe number of the 4th lens is V4, should The abbe number of 5th lens is V5 and the abbe number of the 6th lens is V6, and wherein at least the two is less than 27.
10. a kind of image-taking device, which is characterized in that include：
Image optics eyeglass group as described in claim 1；And
One electronics photosensitive element is set to the imaging surface of the image optics eyeglass group.
11. a kind of image optics eyeglass group, which is characterized in that by object side to image side sequentially include one first lens, one second thoroughly Mirror, a third lens, one the 4th lens, one the 5th lens and one the 6th lens, wherein first lens have positive refracting power, The first lens object side surface is convex surface and image side surface is concave surface, which has negative refracting power, the 5th lens tool There is a negative refracting power, an at least surface for an at least lens has an at least point of inflexion in the 5th lens and the 6th lens；
Wherein, the lens in the image optics eyeglass group are six, first lens, second lens, the third lens, this The material of at least four lens is plastic cement in four lens, the 5th lens and the 6th lens, the image optics eyeglass group Focal length is f, and the maximum image height of the image optics eyeglass group is ImgH, and the first lens object side surface a to imaging surface is on optical axis Distance be TL, meet following condition：
2.0<f/ImgH；And
0.70<TL/f<1.0。
12. image optics eyeglass group according to claim 11, which is characterized in that the second lens image side surface is recessed Face, the 5th lens image side surface are concave surface.
13. image optics eyeglass group according to claim 11, which is characterized in that the abbe number of the 4th lens is V4 meets following condition：
V4<30。
14. image optics eyeglass group according to claim 11, which is characterized in that the focal length of the image optics eyeglass group is The radius of curvature of f, the first lens object side surface are R1, meet following condition：
3.0<f/R1。
15. image optics eyeglass group according to claim 11, which is characterized in that the second lens object side surface is convex Face.
16. image optics eyeglass group according to claim 11, which is characterized in that first lens, are somebody's turn to do at second lens There is in the third lens, the 4th lens, the 5th lens and the 6th lens between two adjacent lens a spacing distance, The half at the maximum visual angle of the image optics eyeglass group is HFOV, meets following condition：
7.5 degree<HFOV<23.5 degree.
17. image optics eyeglass group according to claim 11, which is characterized in that the refractive index of first lens be N1, The refractive index of second lens is N2, the refractive index of the third lens is N3, the refractive index of the 4th lens be N4, the 5th thoroughly The refractive index of mirror is N5 and the refractive index of the 6th lens is N6, and wherein the maximum is Nmax, meets following condition：
Nmax<1.70。
18. image optics eyeglass group according to claim 11, which is characterized in that the 5th lens object side surface is from dipped beam Concave surface is turned by convex surface to off-axis place at axis.
19. image optics eyeglass group according to claim 11, which is characterized in that the abbe number of first lens is V1, second lens abbe number be V2, the abbe number of the third lens is V3, the abbe number of the 4th lens is V4, the 5th lens abbe number be V5 and the abbe number of the 6th lens is V6, both be wherein at least less than 27.
20. a kind of image-taking device, which is characterized in that include：
Image optics eyeglass group as claimed in claim 11；And
One electronics photosensitive element is set to the imaging surface of the image optics eyeglass group.
21. a kind of image optics eyeglass group, which is characterized in that by object side to image side sequentially include one first lens, one second thoroughly Mirror, a third lens, one the 4th lens, one the 5th lens and one the 6th lens, wherein first lens have positive refracting power, The first lens object side surface is convex surface, which has negative refracting power, and the 5th lens, which have, bears refracting power, the 5th An at least surface for an at least lens has an at least point of inflexion in lens and the 6th lens；
Wherein, the lens in the image optics eyeglass group are six, first lens, second lens, the third lens, this The material of at least four lens is plastic cement in four lens, the 5th lens and the 6th lens, the image optics eyeglass group Focal length is f, and the maximum image height of the image optics eyeglass group is ImgH, and the first lens object side surface a to imaging surface is on optical axis Distance be TL, meet following condition：
2.0<f/ImgH；
0.70<TL/f<1.0；And
2.0<TL/ImgH<3.0。
22. image optics eyeglass group according to claim 21, which is characterized in that the second lens image side surface is recessed Face, the 5th lens image side surface are concave surface.
23. image optics eyeglass group according to claim 21, which is characterized in that the abbe number of the 4th lens is V4 meets following condition：
V4<30。
24. image optics eyeglass group according to claim 21, which is characterized in that the focal length of the image optics eyeglass group is The radius of curvature of f, the first lens object side surface are R1, meet following condition：
3.0<f/R1。
25. image optics eyeglass group according to claim 21, which is characterized in that the second lens object side surface is convex Face.
26. image optics eyeglass group according to claim 21, which is characterized in that first lens, are somebody's turn to do at second lens There is in the third lens, the 4th lens, the 5th lens and the 6th lens between two adjacent lens a spacing distance, The half at the maximum visual angle of the image optics eyeglass group is HFOV, meets following condition：
7.5 degree<HFOV<23.5 degree.
27. image optics eyeglass group according to claim 21, which is characterized in that the refractive index of first lens be N1, The refractive index of second lens is N2, the refractive index of the third lens is N3, the refractive index of the 4th lens be N4, the 5th thoroughly The refractive index of mirror is N5 and the refractive index of the 6th lens is N6, and wherein the maximum is Nmax, meets following condition：
Nmax<1.70。
28. image optics eyeglass group according to claim 21, which is characterized in that the 5th lens object side surface is from dipped beam Concave surface is turned by convex surface to off-axis place at axis.
29. image optics eyeglass group according to claim 21, which is characterized in that the abbe number of first lens is V1, second lens abbe number be V2, the abbe number of the third lens is V3, the abbe number of the 4th lens is V4, the 5th lens abbe number be V5 and the abbe number of the 6th lens is V6, both be wherein at least less than 27.
30. a kind of image-taking device, which is characterized in that include：
Image optics eyeglass group as claimed in claim 21；And
One electronics photosensitive element is set to the imaging surface of the image optics eyeglass group.
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