CN107290840A - Optical image lens group, image-taking device and electronic installation - Google Patents
Optical image lens group, image-taking device and electronic installation Download PDFInfo
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- CN107290840A CN107290840A CN201610194038.6A CN201610194038A CN107290840A CN 107290840 A CN107290840 A CN 107290840A CN 201610194038 A CN201610194038 A CN 201610194038A CN 107290840 A CN107290840 A CN 107290840A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised 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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
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Abstract
The invention discloses a kind of optical image lens group, image-taking device and electronic installation.Optical image lens group sequentially includes the first lens, the second lens, the 3rd lens, the 4th lens, the 5th lens and the 6th lens by thing side to image side.It is concave surface that first lens, which have at negative refracting power, its image side surface dipped beam axle,.It is convex surface at second lens thing side surface dipped beam axle.3rd lens have positive refracting power.It is concave surface that 4th lens, which have at negative refracting power, its image side surface dipped beam axle,.5th lens have positive refracting power, are convex surface at its image side surface dipped beam axle.It is for concave surface and its off-axis place includes an at least convex surface at concave surface, its image side surface dipped beam axle that 6th lens, which have at negative refracting power, its thing side surface dipped beam axle,.When a specific condition is satisfied, lens can be promoted relatively to be adapted to shaping and compared with can correct aberration or improve the advantage such as periphery illumination.Invention additionally discloses a kind of image-taking device with above-mentioned optical image lens group and the electronic installation with image-taking device.
Description
Technical field
The invention relates to a kind of optical image lens group and image-taking device, and should in particular to one kind
With miniaturized optical imaging lens group on the electronic device and image-taking device.
Background technology
Electronic product is towards past lightening development in recent years, therefore the image-taking device arranged in pairs or groups also needs correspondence small-sized
Change, but most of known wide-angle lens of optical image lens group has longer total length or rear burnt
It is also recent photosensitive compared with can not properly utilize away from the configuration with large volume, it is difficult to meet the demand of demand miniaturization
The development trend (there is more ISO, may be allowed shorter rear burnt optical frames first-class) of element.
The content of the invention
Optical image lens group, image-taking device and electronic installation that the present invention is provided, its first lens have negative
Refracting power, can help the light of large viewing to enter, and utilize the 3rd lens, the 4th lens, the 5th lens
And the 6th lens respectively have positive and negative, positive and negative refracting power configuration, can by light-ray condensing in imaging surface,
Arrange in pairs or groups again at the 6th lens thing side surface dipped beam axle and at the dipped beam axle of image side surface be all concave surface feature, can be by
Optics principal point can effectively shorten back focal length towards thing side to movement, reach the demand of miniaturization.
There is provided a kind of optical image lens group according to the present invention, by thing side to image side sequentially comprising the first lens,
Second lens, the 3rd lens, the 4th lens, the 5th lens and the 6th lens.First lens have negative bend
Roll at power, its image side surface dipped beam axle is concave surface.It is convex surface at second lens thing side surface dipped beam axle.3rd
Lens have positive refracting power.It is concave surface that 4th lens, which have at negative refracting power, its image side surface dipped beam axle,.The
Five lens have positive refracting power, are convex surface at its image side surface dipped beam axle.6th lens have negative refracting power,
It is concave surface at concave surface, its image side surface dipped beam axle to be at its thing side surface dipped beam axle and its off-axis place is included at least
One convex surface, wherein the thing side surface and image side surface of the 6th lens are all aspherical.In optical image lens group
Lens sum be in six, and optical image lens group between wantonly two adjacent lens in all having on optical axis
Gas interval.First lens and the second lens are T12 in the spacing distance on optical axis, the second lens and the 3rd saturating
Mirror is T23 in the spacing distance on optical axis, and the radius of curvature of the 6th lens thing side surface is R11, and the 6th is saturating
The radius of curvature of mirror image side surface is R12, and it meets following condition:
1.0<T12/T23<15;And
|(R11+R12)/(R11-R12)|<0.90。
Separately provides a kind of image-taking device according to the present invention, comprising optical image lens group as in the previous paragraph and
Electronics photo-sensitive cell, wherein electronics photo-sensitive cell are arranged at the imaging surface of optical image lens group.
A kind of electronic installation is more provided according to the present invention, image-taking device as in the previous paragraph is included.
A kind of optical image lens group is provided again according to the present invention, it is sequentially saturating comprising first by thing side to image side
Mirror, the second lens, the 3rd lens, the 4th lens, the 5th lens and the 6th lens.First lens have
It is concave surface at negative refracting power, its image side surface dipped beam axle.It is convex surface at second lens thing side surface dipped beam axle.
3rd lens have positive refracting power.It is concave surface that 4th lens, which have at negative refracting power, its image side surface dipped beam axle,.
5th lens have positive refracting power, are convex surface at its image side surface dipped beam axle.6th lens have negative refracting power,
It is concave surface at concave surface, its image side surface dipped beam axle to be at its thing side surface dipped beam axle and its off-axis place is included at least
One convex surface, wherein the thing side surface and image side surface of the 6th lens are all aspherical.In optical image lens group
Lens sum be in six, and optical image lens group between wantonly two adjacent lens in all having on optical axis
Gas interval.First lens and the second lens are T12 in the spacing distance on optical axis, the second lens and the 3rd saturating
Mirror is T23 in the spacing distance on optical axis, and the radius of curvature of the 6th lens thing side surface is R11, and the 6th is saturating
The radius of curvature of mirror image side surface is R12, and it meets following condition:
0<T12/T23<15;And
|(R11+R12)/(R11-R12)|<0.80。
When T12/T23 meets above-mentioned condition, it is possible to provide sufficient space, help is relatively thin and refracting power is weaker
The second lens obtain more appropriate shape, and then obtain it to be relatively adapted to shaping, compared with can correct aberration or carry
The advantages such as high periphery illumination.
As | (R11+R12)/(R11-R12) | when meeting above-mentioned condition, can avoid the 6th lens because of single surface too
Put down and cause its refracting power too weak and lose and shorten the features such as back focal length, correction aberration.
Brief description of the drawings
Fig. 1 illustrates 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 map of first embodiment from left to right;
Fig. 3 illustrates 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 map of second embodiment from left to right;
Fig. 5 illustrates 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 map of 3rd embodiment from left to right;
Fig. 7 illustrates 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 map of fourth embodiment from left to right;
Fig. 9 illustrates 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 map of the 5th embodiment from left to right;
Figure 11 illustrates 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 map of sixth embodiment from left to right;
Figure 13 illustrates 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 map of the 7th embodiment from left to right;
Figure 15 illustrates the schematic diagram according to parameter SD11 in Fig. 1 first embodiments;
Figure 16 illustrates a kind of schematic diagram of electronic installation according to eighth embodiment of the invention;
Figure 17 illustrates a kind of schematic diagram of electronic installation according to ninth embodiment of the invention;And
Figure 18 illustrates a kind of schematic diagram of electronic installation according to tenth embodiment of the invention.
【Symbol description】
Electronic installation:10、20、30
Image-taking device:11、21、31
Aperture:100、200、300、400、500、600、700
First lens:110、210、310、410、510、610、710
Thing side surface:111、211、311、411、511、611、711
Image side surface:112、212、312、412、512、612、712
Second lens:120、220、320、420、520、620、720
Thing side surface:121、221、321、421、521、621、721
Image side surface:122、222、322、422、522、622、722
3rd lens:130、230、330、430、530、630、730
Thing side surface:131、231、331、431、531、631、731
Image side surface:132、232、332、432、532、632、732
4th lens:140、240、340、440、540、640、740
Thing side surface:141、241、341、441、541、641、741
Image side surface:142、242、342、442、542、642、742
5th lens:150、250、350、450、550、650、750
Thing side surface:151、251、351、451、551、651、751
Image side surface:152、252、352、452、552、652、752
6th lens:160、260、360、460、560、660、760
Thing side surface:161、261、361、461、561、661、761
Image side surface:162、262、362、462、562、662、762
Infrared ray filters out filter element:170、270、370、470、570、670、770
Imaging surface:180、280、380、480、580、680、780
Electronics photo-sensitive cell:190、290、390、490、590、690、790
f:The focal length of optical image lens group
Fno:The f-number of optical image lens group
HFOV:The half at maximum visual angle in optical image lens group
V4:The abbe number of 4th lens
V5:The abbe number of 5th lens
V6:The abbe number of 6th lens
CT1:First lens are in the thickness on optical axis
CT2:Second lens are in the thickness on optical axis
CT5:5th lens are in the thickness on optical axis
T12:First lens and the second lens are in the spacing distance on optical axis
T23:Second lens and the 3rd lens are in the spacing distance on optical axis
T34:3rd lens and the 4th lens are 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
ImgH:The maximum image height of optical image lens group
BL:6th lens image side surface is to imaging surface in the distance on optical axis
SD11:The maximum effective radius of first lens thing side surface
R7:The radius of curvature of 4th lens thing side surface
R8:The radius of curvature of 4th lens image side surface
R9:The radius of curvature of 5th lens thing side surface
R10:The radius of curvature of 5th lens image side surface
R11:The radius of curvature of 6th lens thing side surface
R12:The radius of curvature of 6th lens image side surface
f1:The focal length of first lens
f3:The focal length of 3rd lens
f5:The focal length of 5th lens
f6:The focal length of 6th lens
Embodiment
A kind of optical image lens group, the first lens, the second lens, the 3rd are sequentially included by thing side to image side
Lens sum in lens, the 4th lens, the 5th lens and the 6th lens, wherein optical image lens group
For six.Optical image lens group can also include an aperture, and it may be disposed between object and the 3rd lens.
First lens of optical image lens group described in leading portion, the second lens, the 3rd lens, the 4th lens,
In 5th lens and the 6th lens, in can all have an airspace on optical axis between wantonly two adjacent lens;
That is, optical image lens group can have six single unbonded lens.Due to the system of cemented lens
Journey is complicated compared with non-adhering lens, especially need to possess the curved surface of high accuracy in the adhesive surface of two lens, to reach
High adaptation when two lens are bonded, and during bonding, it is also possible to because off normal and caused by adaptation not
It is good, the overall optical imagery quality of influence.Therefore, in optical image lens group of the present invention, wantonly two is adjacent saturating
In can all have an airspace, the problem that cemented lens being effectively improved on optical axis between mirror.
It is concave surface that first lens, which have at negative refracting power, its image side surface dipped beam axle,.Whereby, contribute to larger
The light at visual angle enters optical image lens group, and effectively shortens its total length.
It is convex surface at second lens thing side surface dipped beam axle, can is concave surface at its image side surface dipped beam axle.Whereby,
Be conducive to correcting the spherical aberration of optical image lens group.
3rd lens have positive refracting power, can active balance optical image lens group refracting power distribution, and drop
Low sensitivity.
It is concave surface that 4th lens, which have at negative refracting power, its image side surface dipped beam axle,.Whereby, incidence is contributed to
Light is further restrained outside there is provided the wider visual angle of optical image lens group, and shortens total length.In addition,
The 4th off-axis place in lens image side surface can include an at least convex surface, and it is conducive to the off-axis aberration that makes corrections.
5th lens have positive refracting power, are convex surface at its image side surface dipped beam axle.Whereby, it is possible to provide optics
The main positive refracting power of imaging lens group, is conducive to convergent light rays, and further shorten total length.
It is concave surface, its image side surface dipped beam axle that 6th lens, which have at negative refracting power, its thing side surface dipped beam axle,
Locate as concave surface and its off-axis place includes an at least convex surface.Coordinate above-mentioned 3rd lens, it is the 4th lens, the 5th saturating
Incident ray, effectively can be gathered on imaging surface by the refracting power configuration of mirror and the 6th lens, and arrange in pairs or groups the
Face shape at six lens thing side surface dipped beam axles and at the dipped beam axle of image side surface, can be by its optics principal point towards thing side
Direction is moved, and contributes to the shortening of back focal length, and then reaches the demand for shortening total length, and by its image side table
To the face deformation located off axis at the dipped beam axle of face, the optically focused on image periphery can be strengthened, the solution of surrounding image is improved
Analysis degree.
First lens and the second lens are T12 in the spacing distance on optical axis, the second lens and the 3rd lens in
Spacing distance on optical axis is T23, and it meets following condition:0<T12/T23<15.Whereby, it is possible to provide
Sufficient space, helps the second relatively thin and weaker refracting power lens to obtain more appropriate shape, and then make it
Obtain and be relatively adapted to shaping, compared with can correct aberration or improve the advantage such as periphery illumination.It is preferred that can meet following
Condition:1.0<T12/T23<15.More preferably, following condition can be met:1.50<T12/T23<7.50.
The radius of curvature of 6th lens thing side surface is R11, and the radius of curvature on the 6th lens image side surface is
R12, it meets following condition:|(R11+R12)/(R11-R12)|<0.90.Whereby, the 6th lens can be avoided
Because single surface is peaceful and caused by its refracting power it is too weak and loses shortening back focal length, make corrections the features such as aberration.Compared with
Goodly, following condition can be met:|(R11+R12)/(R11-R12)|<0.80.More preferably, it can meet following
Condition:|(R11+R12)/(R11-R12)|<0.60.
5th lens are CT5 in the thickness on optical axis, and the 5th lens and the 6th lens are in the spacer on optical axis
From for T56, it meets following condition:0<CT5/T56<7.50.Whereby, can appropriately configured 5th lens
And the 6th lens, it is to avoid because it by too near causes lens overcrowding, lead to not appropriate utilization space
With causing difficulty in assembling.It is preferred that following condition can be met:0.50<CT5/T56<3.75.More preferably
Ground, can meet following condition:0.70<CT5/T56<3.75.
The maximum image height of optical image lens group is ImgH, and the 6th lens image side surface is to imaging surface in optical axis
On distance be BL, it meets following condition:2.40<ImgH/BL<4.50.Whereby, can further it contract
Short back focal length, helps to shorten total length and volume, and ensure that image periphery illumination is sufficient.
The radius of curvature of 5th lens thing side surface is R9, and the radius of curvature on the 5th lens image side surface is
R10, it meets following condition:0<(R9+R10)/(R9-R10)<10.Whereby, the 5th can effectively be relaxed
The change in shape of lens, improves the relative illumination on lens shaping and imaging periphery.
The maximum effective radius of first lens thing side surface is SD11, the maximum image height of optical image lens group
For ImgH, it meets following condition:0.50<SD11/ImgH<1.25.Whereby, optical image can be reduced
The difference of each eyeglass effective radius of lens group, compared with the planform (thing that can obtain being adapted to minimize image-taking device
End opening is smaller, larger as holding), it more can further reduce its volume.
First lens are CT1 in the thickness on optical axis, and the second lens are CT2 in the thickness on optical axis, and it is expired
Foot row condition:0.75<CT1/CT2<5.0.Whereby, the first lens thickness can be avoided excessively thin and causes knot
Structure is fragile, reduce because collision and caused by the risk that is cracked of lens.
The abbe number of 4th lens is V4, and the abbe number of the 5th lens is V5, the dispersion of the 6th lens
Coefficient is V6, and it meets following condition:0.50<(V4+V6)/V5<1.20.Whereby, contribute to each
Obtain better suited balance in kind of aberration (aberration, astigmatism etc.), also allow for the 4th lens, the 5th lens and
6th lens obtain better suited lens size.
First lens and the second lens are T12 in the spacing distance on optical axis, the second lens and the 3rd lens in
Spacing distance on optical axis is T23, and the 3rd lens and the 4th lens are T34 in the spacing distance on optical axis,
4th lens and the 5th lens are T45 in the spacing distance on optical axis, and the 5th lens and the 6th lens are in optical axis
On spacing distance be T56, it meets following condition:1.0<(T12+T56)/(T23+T34+T45)<
4.50.Whereby, can allow the second lens, the 3rd lens, the 4th lens and the 5th lens space configuration compared with
, can more efficiently utilization space to be close.
The maximum image height of optical image lens group is ImgH, and the focal length of optical image lens group is f, and it is expired
Foot row condition:1.30<ImgH/f<3.0.Whereby, it may help to control the focal length of optical image lens group,
And further reach well balanced between big visual angle and miniaturization.
The focal length of 3rd lens is f3, and the focal length of the 5th lens is f5, and it meets following condition:0.75<f3/f5
<1.50.Whereby, it can be evenly distributed main positive refracting power, it is to avoid single lens susceptibility is too high and causes
Yield is too low.
The radius of curvature of 4th lens thing side surface is R7, and the radius of curvature on the 4th lens image side surface is R8,
It meets following condition:0<(R7+R8)/(R7-R8)<5.5.Whereby, the amendment of astigmatism is contributed to, to carry
Rise image quality.
The focal length of first lens is f1, and the focal length of the 6th lens is f6, and it meets following condition:0.40<f1/f6
<1.25.Whereby, contribute to optical image lens group to bear the balance of refracting power configuration, aberration and drop can be corrected
Low sensitivity.
In the optical image lens group that the present invention is provided, the material of lens can be plastic cement or glass.When lens
Material is plastic cement, can effectively reduce production cost.The another material for working as lens is glass, then can increase light
Learn the free degree of imaging lens group refracting power configuration.In addition, thing side surface and picture in optical image lens group
Side surface can be aspherical (ASP), and the aspherical shape that can be easily fabricated to beyond sphere is obtained more
Controlled variable, to cut down aberration, and then reduce the number that lens are used, therefore can effectively reduce this
The total length of invention optical image lens group.
Furthermore, in the optical image lens group that provides of the present invention, if lens surface is convex surface and not define this convex
During the position of face, then it represents that the lens surface can be convex surface at dipped beam axle;If lens surface is concave surface and non-boundary
During the fixed concave surface position, then it represents that the lens surface can be concave surface at dipped beam axle.The optics that the present invention is provided
In imaging lens group, if lens have positive refracting power or a negative refracting power, or lens focal length, can all refer to
Refracting power or focal length at mirror dipped beam axle.
In addition, in optical image lens group of the present invention, an at least diaphragm can be set on demand, it is spuious to reduce
Light, helps to lift image quality.
The imaging surface of the optical image lens group of the present invention, can according to the difference of its corresponding electronics photo-sensitive cell
For a plane or have the curved surface of any curvature, particularly relate to concave surface towards toward thing side to curved surface.
The present invention optical image lens group in, aperture configuration can for preposition aperture or in put aperture, wherein before
Put aperture and imply that aperture is arranged between object and the first lens, in put aperture and then represent that aperture is arranged at first
Between lens and imaging surface.If aperture is preposition aperture, the outgoing pupil (Exit Pupil) of optical image lens group can be made
Longer distance is produced with imaging surface, telecentricity (Telecentric) effect is made it have, and sense electronicses can be increased
The CCD or CMOS of optical element receive the efficiency of image;If in put aperture, contribute to expand optics shadow
As the angle of visual field of lens group, make optical image lens group that there is the advantage of wide-angle lens.
The optical image lens group of the present invention many-sided can also be applied to three-dimensional (3D) image capture, digital phase
Machine, mobile product, digital flat panel, intelligent television, network monitoring device, somatic sensation television game machine, driving recording
In instrument, the reversing electronic installation such as developing apparatus and Wearable product.
The present invention provides a kind of image-taking device, includes foregoing optical image lens group and the photosensitive member of electronics
Part, wherein electronics photo-sensitive cell are arranged at the imaging surface of optical image lens group.It is saturating by aforementioned optical image
The first lens have negative refracting power in microscope group, and the light of large viewing can be helped to enter, and the 3rd lens of utilization,
4th lens, the 5th lens and the 6th lens have the configuration of positive and negative, positive and negative refracting power respectively, can be by
Light-ray condensing is in imaging surface, then at the 6th lens thing side surface dipped beam axle of arranging in pairs or groups and at the dipped beam axle of image side surface all
For the feature of concave surface, it can effectively shorten back focal length by optics principal point towards thing side to movement, reach small-sized
The demand of change.It is preferred that image-taking device can further include lens barrel (Barrel Member), support device
(Holder Member) or its combination.
The present invention provides a kind of electronic installation, includes foregoing image-taking device.Whereby, image quality is lifted.
It is preferred that electronic installation can further include control unit (Control Unit), display unit (Display),
Storage element (Storage Unit), random access memory (RAM) or its combination.
According to above-mentioned embodiment, specific embodiment set forth below simultaneously coordinates accompanying drawing to be described in detail.
<First embodiment>
Fig. 1 and Fig. 2 is refer to, wherein Fig. 1 illustrates a kind of image-taking device according to first embodiment of the invention
Schematic diagram, Fig. 2 is sequentially from left to right the spherical aberration of first embodiment, astigmatism and distorts curve map.By scheming
1 understands, the image-taking device of first embodiment is photosensitive comprising optical image lens group (not another label) and electronics
Element 190.Optical image lens group by thing side to image side sequentially comprising the first lens 110, the second lens 120,
It is aperture 100, the 3rd lens 130, the 4th lens 140, the 5th lens 150, the 6th lens 160, infrared
Line filters out filter element 170 and imaging surface 180, and to be arranged at optical image saturating for electronics photo-sensitive cell 190
Lens sum is six (110-160), and optics in the imaging surface 180 of microscope group, wherein optical image lens group
In imaging lens group between wantonly two adjacent lens on optical axis all have an airspace.
First lens 110 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 111
It is concave surface at convex surface, its dipped beam axle of image side surface 112, and is all aspherical.
Second lens 120 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 121
It is concave surface at convex surface, its dipped beam axle of image side surface 122, and is all aspherical.
3rd lens 130 have positive refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 131
It is convex surface at convex surface, its dipped beam axle of image side surface 132, and is all aspherical.
4th lens 140 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 141
It is concave surface at convex surface, its dipped beam axle of image side surface 142, and is all aspherical.
5th lens 150 have positive refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 151
It is convex surface at convex surface, its dipped beam axle of image side surface 152, and is all aspherical.
6th lens 160 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 161
It is concave surface at concave surface, its dipped beam axle of image side surface 162, and is all aspherical.In addition, the 6th lens image side
Place includes an at least convex surface off axis on surface 162.
Infrared ray filters out optical filter 170 for glass material, and it is arranged at the 6th lens 160 and imaging surface 180
Between and do not influence the focal length of optical image lens group.
The aspherical fitting equation of above-mentioned each lens is expressed as follows:
Wherein:
X:Apart from the point that optical axis is Y, its phase with being tangential on intersection point tangent plane on aspherical optical axis on aspherical
Adjust the distance;
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 optical image lens group of first embodiment, the focal length of optical image lens group is f, optical image
The f-number (f-number) of lens group is that the half at maximum visual angle in Fno, optical image lens group is
HFOV, its numerical value is as follows:F=0.79mm;Fno=2.10;And HFOV=60.5 degree.
In the optical image lens group of first embodiment, the abbe number of the 4th lens 140 is V4, the 5th
The abbe number of lens 150 is V5, and the abbe number of the 6th lens 160 is V6, and it meets following condition:
(V4+V6)/V5=0.73.
In the optical image lens group of first embodiment, the first lens 110 are CT1 in the thickness on optical axis,
Second lens 120 are CT2 in the thickness on optical axis, and it meets following condition:CT1/CT2=1.55.
In the optical image lens group of first embodiment, the first lens 110 and the second lens 120 are on optical axis
Spacing distance be T12, the second lens 120 and the 3rd lens 130 are T23 in the spacing distance on optical axis,
It meets following condition:T12/T23=2.44.
In the optical image lens group of first embodiment, the first lens 110 and the second lens 120 are on optical axis
Spacing distance be T12, the second lens 120 and the 3rd lens 130 are T23 in the spacing distance on optical axis,
3rd lens 130 and the 4th lens 140 are T34 in the spacing distance on optical axis, the 4th lens 140 and the
Five lens 150 are T45 in the spacing distance on optical axis, and the 5th lens 150 and the 6th lens 160 are in optical axis
On spacing distance be T56, it meets following condition:(T12+T56)/(T23+T34+T45)=1.93.
In the optical image lens group of first embodiment, the 5th lens 150 are CT5 in the thickness on optical axis,
5th lens 150 and the 6th lens 160 are T56 in the spacing distance on optical axis, and it meets following condition:
CT5/T56=24.26.
In the optical image lens group of first embodiment, the maximum image height of optical image lens group for ImgH (i.e.
The half of the effective sensing region diagonal line length of electronics photo-sensitive cell 190), the 6th lens image side surface 162 to
Imaging surface 180 is BL in the distance on optical axis, and it meets following condition:ImgH/BL=3.13.
In the optical image lens group of first embodiment, the maximum image height of optical image lens group is ImgH,
The focal length of optical image lens group is f, and it meets following condition:ImgH/f=2.29.
Coordinate reference picture 15, be to illustrate the schematic diagram according to parameter SD11 in Fig. 1 first embodiments.By scheming
15 understand, the maximum effective radius of the first lens thing side surface 111 is SD11, optical image lens group
Maximum image height is ImgH, and it meets following condition:SD11/ImgH=0.93.
In the optical image lens group of first embodiment, the radius of curvature of the 4th lens thing side surface 141 is
R7, the radius of curvature on the 4th lens image side surface 142 is R8, and it meets following condition:(R7+R8)/(R7-R8)
=1.26.
In the optical image lens group of first embodiment, the radius of curvature of the 5th lens thing side surface 151 is
R9, the radius of curvature on the 5th lens image side surface 152 is R10, and it meets following condition:
(R9+R10)/(R9-R10)=0.79.
In the optical image lens group of first embodiment, the radius of curvature of the 6th lens thing side surface 161 is
R11, the radius of curvature on the 6th lens image side surface 162 is R12, and it meets following condition:
| (R11+R12)/(R11-R12) |=0.83.
In the optical image lens group of first embodiment, the focal length of the first lens 110 is f1, the 6th lens
160 focal length is f6, and it meets following condition:F1/f6=0.67.
In the optical image lens group of first embodiment, the focal length of the 3rd lens 130 is f3, the 5th lens
150 focal length is f5, and it meets following condition:F3/f5=0.92.
Coordinate again with reference to following table one and table two.
Table one is the list of the detailed structured data, wherein radius of curvature, thickness and focal length of Fig. 1 first embodiments
Position is mm, and surface 0-16 sequentially represented by the surface of thing side to image side.Table two is in first embodiment
Aspherical surface data, wherein, the conical surface coefficient in k table aspheric curve equations, A4-A16 is then represented
Each surface 4-16 rank asphericity coefficients.In addition, following embodiment form is showing for each embodiment of correspondence
It is intended to and aberration curve figure, table one and the definition phase of table two of the definition of data all with first embodiment in form
Together, it is not added with repeating herein.
<Second embodiment>
Fig. 3 and Fig. 4 is refer to, wherein Fig. 3 illustrates a kind of image-taking device according to second embodiment of the invention
Schematic diagram, Fig. 4 is sequentially from left to right the spherical aberration of second embodiment, astigmatism and distorts curve map.By scheming
3 understand, the image-taking device of second embodiment is photosensitive comprising optical image lens group (not another label) and electronics
Element 290.Optical image lens group by thing side to image side sequentially comprising the first lens 210, the second lens 220,
It is aperture 200, the 3rd lens 230, the 4th lens 240, the 5th lens 250, the 6th lens 260, infrared
Line filters out filter element 270 and imaging surface 280, and to be arranged at optical image saturating for electronics photo-sensitive cell 290
Lens sum is six (210-260), and optics in the imaging surface 280 of microscope group, wherein optical image lens group
In imaging lens group between wantonly two adjacent lens on optical axis all have an airspace.
First lens 210 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 211
It is concave surface at convex surface, its dipped beam axle of image side surface 212, and is all aspherical.
Second lens 220 have positive refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 221
It is concave surface at convex surface, its dipped beam axle of image side surface 222, and is all aspherical.
3rd lens 230 have positive refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 231
It is convex surface at convex surface, its dipped beam axle of image side surface 232, and is all aspherical.
4th lens 240 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 241
It is concave surface at convex surface, its dipped beam axle of image side surface 242, and is all aspherical.In addition, the 4th lens image side
Place includes an at least convex surface off axis on surface 242.
5th lens 250 have positive refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 251
It is convex surface at convex surface, its dipped beam axle of image side surface 252, and is all aspherical.
6th lens 260 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 261
It is concave surface at concave surface, its dipped beam axle of image side surface 262, and is all aspherical.In addition, the 6th lens image side
Place includes an at least convex surface off axis on surface 262.
Infrared ray filters out optical filter 270 for glass material, and it is arranged at the 6th lens 260 and imaging surface 280
Between and do not influence the focal length of optical image lens group.
Coordinate again with reference to following table three and table four.
In second embodiment, aspherical fitting equation represents the form such as first embodiment.In addition, under
The definition of table parameter is all identical with 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 refer to, wherein Fig. 5 illustrates a kind of image-taking device according to third embodiment of the invention
Schematic diagram, Fig. 6 is sequentially from left to right the spherical aberration of 3rd embodiment, astigmatism and distorts curve map.By scheming
5 understand, the image-taking device of 3rd embodiment is photosensitive comprising optical image lens group (not another label) and electronics
Element 390.Optical image lens group by thing side to image side sequentially comprising the first lens 310, the second lens 320,
Aperture 300, the 3rd lens 330, diaphragm 301, the 4th lens 340, the 5th lens 350, the 6th lens
360th, infrared ray filters out filter element 370 and imaging surface 380, and electronics photo-sensitive cell 390 is arranged at
Lens sum is six in the imaging surface 380 of optical image lens group, wherein optical image lens group
In (310-360), and optical image lens group between wantonly two adjacent lens between all there is an air on optical axis
Every.
First lens 310 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 311
It is concave surface at convex surface, its dipped beam axle of image side surface 312, and is all aspherical.
Second lens 320 have positive refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 321
It is concave surface at convex surface, its dipped beam axle of image side surface 322, and is all aspherical.
3rd lens 330 have positive refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 331
It is convex surface at convex surface, its dipped beam axle of image side surface 332, and is all aspherical.
4th lens 340 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 341
It is concave surface at convex surface, its dipped beam axle of image side surface 342, and is all aspherical.In addition, the 4th lens image side
Place includes an at least convex surface off axis on surface 342.
5th lens 350 have positive refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 351
It is convex surface at convex surface, its dipped beam axle of image side surface 352, and is all aspherical.
6th lens 360 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 361
It is concave surface at concave surface, its dipped beam axle of image side surface 362, and is all aspherical.In addition, the 6th lens image side
Place includes an at least convex surface off axis on surface 362.
Infrared ray filters out optical filter 370 for glass material, and it is arranged at the 6th lens 360 and imaging surface 380
Between and do not influence the focal length of optical image lens group.
Coordinate again with reference to following table five and table six.
In 3rd embodiment, aspherical fitting equation represents the form such as first embodiment.In addition, under
The definition of table parameter is all identical with 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 refer to, wherein Fig. 7 illustrates a kind of image-taking device according to fourth embodiment of the invention
Schematic diagram, Fig. 8 is sequentially from left to right the spherical aberration of fourth embodiment, astigmatism and distorts curve map.By scheming
7 understand, the image-taking device of fourth embodiment is photosensitive comprising optical image lens group (not another label) and electronics
Element 490.Optical image lens group by thing side to image side sequentially comprising the first lens 410, the second lens 420,
Aperture 400, the 3rd lens 430, diaphragm 401, the 4th lens 440, the 5th lens 450, the 6th lens
460th, infrared ray filters out filter element 470 and imaging surface 480, and electronics photo-sensitive cell 490 is arranged at
Lens sum is six in the imaging surface 480 of optical image lens group, wherein optical image lens group
In (410-460), and optical image lens group between wantonly two adjacent lens between all there is an air on optical axis
Every.
First lens 410 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 411
It is concave surface at convex surface, its dipped beam axle of image side surface 412, and is all aspherical.
Second lens 420 have positive refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 421
It is concave surface at convex surface, its dipped beam axle of image side surface 422, and is all aspherical.
3rd lens 430 have positive refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 431
It is convex surface at convex surface, its dipped beam axle of image side surface 432, and is all aspherical.
4th lens 440 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 441
It is concave surface at convex surface, its dipped beam axle of image side surface 442, and is all aspherical.In addition, the 4th lens image side
Place includes an at least convex surface off axis on surface 442.
5th lens 450 have positive refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 451
It is convex surface at convex surface, its dipped beam axle of image side surface 452, and is all aspherical.
6th lens 460 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 461
It is concave surface at concave surface, its dipped beam axle of image side surface 462, and is all aspherical.In addition, the 6th lens image side
Place includes an at least convex surface off axis on surface 462.
Infrared ray filters out optical filter 470 for glass material, and it is arranged at the 6th lens 460 and imaging surface 480
Between and do not influence the focal length of optical image lens group.
Coordinate again with reference to following table seven and table eight.
In fourth embodiment, aspherical fitting equation represents the form such as first embodiment.In addition, under
The definition of table parameter is all identical with 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 refer to, wherein Fig. 9 illustrates a kind of capture dress according to fifth embodiment of the invention
The schematic diagram put, Figure 10 is sequentially spherical aberration, astigmatism and the distortion curve map of the 5th embodiment from left to right.
As shown in Figure 9, the image-taking device of the 5th embodiment includes optical image lens group (not another label) and electronics
Photo-sensitive cell 590.Optical image lens group is sequentially saturating comprising the first lens 510, second by thing side to image side
Mirror 520, aperture 500, the 3rd lens 530, diaphragm 501, the 4th lens 540, the 5th lens 550,
6th lens 560, infrared ray filter out filter element 570 and imaging surface 580, and electronics photo-sensitive cell 590
The imaging surface 580 of optical image lens group is arranged at, lens sum is six wherein in optical image lens group
In (510-560), and optical image lens group between wantonly two adjacent lens between all there is an air on optical axis
Every.
First lens 510 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 511
It is concave surface at convex surface, its dipped beam axle of image side surface 512, and is all aspherical.
Second lens 520 have positive refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 521
It is concave surface at convex surface, its dipped beam axle of image side surface 522, and is all aspherical.
3rd lens 530 have positive refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 531
It is convex surface at convex surface, its dipped beam axle of image side surface 532, and is all aspherical.
4th lens 540 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 541
It is concave surface at convex surface, its dipped beam axle of image side surface 542, and is all aspherical.In addition, the 4th lens image side
Place includes an at least convex surface off axis on surface 542.
5th lens 550 have positive refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 551
It is convex surface at convex surface, its dipped beam axle of image side surface 552, and is all aspherical.
6th lens 560 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 561
It is concave surface at concave surface, its dipped beam axle of image side surface 562, and is all aspherical.In addition, the 6th lens image side
Place includes an at least convex surface off axis on surface 562.
Infrared ray filters out optical filter 570 for glass material, and it is arranged at the 6th lens 560 and imaging surface 580
Between and do not influence the focal length of optical image lens group.
Coordinate again with reference to following table nine and table ten.
In 5th embodiment, aspherical fitting equation represents the form such as first embodiment.In addition, under
The definition of table parameter is all identical with 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 refer to, wherein Figure 11 illustrates a kind of capture according to sixth embodiment of the invention
The schematic diagram of device, Figure 12 is sequentially spherical aberration, astigmatism and the distortion curve map of sixth embodiment from left to right.
As shown in Figure 11, the image-taking device of sixth embodiment includes optical image lens group (not another label) and electricity
Sub- photo-sensitive cell 690.Optical image lens group sequentially includes the first lens 610, second by thing side to image side
Lens 620, aperture 600, the 3rd lens 630, diaphragm 601, the 4th lens 640, the 5th lens 650,
6th lens 660, infrared ray filter out filter element 670 and imaging surface 680, and electronics photo-sensitive cell 690
The imaging surface 680 of optical image lens group is arranged at, lens sum is six wherein in optical image lens group
In (610-660), and optical image lens group between wantonly two adjacent lens between all there is an air on optical axis
Every.
First lens 610 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 611
It is concave surface at convex surface, its dipped beam axle of image side surface 612, and is all aspherical.
Second lens 620 have positive refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 621
It is concave surface at convex surface, its dipped beam axle of image side surface 622, and is all aspherical.
3rd lens 630 have positive refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 631
It is convex surface at convex surface, its dipped beam axle of image side surface 632, and is all aspherical.
4th lens 640 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 641
It is concave surface at convex surface, its dipped beam axle of image side surface 642, and is all aspherical.In addition, the 4th lens image side
Place includes an at least convex surface off axis on surface 642.
5th lens 650 have positive refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 651
It is convex surface at convex surface, its dipped beam axle of image side surface 652, and is all aspherical.
6th lens 660 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 661
It is concave surface at concave surface, its dipped beam axle of image side surface 662, and is all aspherical.In addition, the 6th lens image side
Place includes an at least convex surface off axis on surface 662.
Infrared ray filters out optical filter 670 for glass material, and it is arranged at the 6th lens 660 and imaging surface 680
Between and do not influence the focal length of optical image lens group.
Coordinate again with reference to following table 11 and table 12.
In sixth embodiment, aspherical fitting equation represents the form such as first embodiment.In addition, under
The definition of table parameter is all identical with 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 refer to, wherein Figure 13 illustrates a kind of capture according to seventh embodiment of the invention
The schematic diagram of device, Figure 14 is sequentially spherical aberration, astigmatism and the distortion curve map of the 7th embodiment from left to right.
As shown in Figure 13, the image-taking device of the 7th embodiment includes optical image lens group (not another label) and electricity
Sub- photo-sensitive cell 790.Optical image lens group sequentially includes the first lens 710, second by thing side to image side
Lens 720, aperture 700, the 3rd lens 730, the 4th lens 740, the 5th lens 750, the 6th lens
760th, infrared ray filters out filter element 770 and imaging surface 780, and electronics photo-sensitive cell 790 is arranged at
Lens sum is six in the imaging surface 780 of optical image lens group, wherein optical image lens group
In (710-760), and optical image lens group between wantonly two adjacent lens between all there is an air on optical axis
Every.
First lens 710 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 711
It is concave surface at convex surface, its dipped beam axle of image side surface 712, and is all aspherical.
Second lens 720 have positive refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 721
It is convex surface at convex surface, its dipped beam axle of image side surface 722, and is all aspherical.
3rd lens 730 have positive refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 731
It is convex surface at convex surface, its dipped beam axle of image side surface 732, and is all aspherical.
4th lens 740 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 741
It is concave surface at concave surface, its dipped beam axle of image side surface 742, and is all aspherical.In addition, the 4th lens image side
Place includes an at least convex surface off axis on surface 742.
5th lens 750 have positive refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 751
It is convex surface at convex surface, its dipped beam axle of image side surface 752, and is all aspherical.
6th lens 760 have negative refracting power, and are to be at plastic cement material, its dipped beam axle of thing side surface 761
It is concave surface at concave surface, its dipped beam axle of image side surface 762, and is all aspherical.In addition, the 6th lens image side
Place includes an at least convex surface off axis on surface 762.
Infrared ray filters out optical filter 770 for glass material, and it is arranged at the 6th lens 760 and imaging surface 780
Between and do not influence the focal length of optical image lens group.
Coordinate again with reference to following table 13 and table 14.
In 7th embodiment, aspherical fitting equation represents the form such as first embodiment.In addition, under
The definition of table parameter is all identical with first embodiment, and not in this to go forth.
Cooperation table 13 and table 14 can extrapolate following data:
<8th embodiment>
Figure 16 is refer to, is the schematic diagram for illustrating a kind of electronic installation 10 according to eighth embodiment of the invention.
The electronic installation 10 of 8th embodiment is a smart mobile phone, and electronic installation 10 includes image-taking device 11, taken
As device 11 includes the optical image lens group (figure is not disclosed) and electronics photo-sensitive cell according to the present invention
(figure is not disclosed), wherein electronics photo-sensitive cell is arranged at the imaging surface of optical image lens group.
<9th embodiment>
Figure 17 is refer to, is the schematic diagram for illustrating a kind of electronic installation 20 according to ninth embodiment of the invention.
The electronic installation 20 of 9th embodiment is a tablet personal computer, and electronic installation 20 includes image-taking device 21, taken
As device 21 includes the optical image lens group (figure is not disclosed) and electronics photo-sensitive cell according to the present invention
(figure is not disclosed), wherein electronics photo-sensitive cell is arranged at the imaging surface of optical image lens group.
<Tenth embodiment>
Figure 18 is refer to, is the schematic diagram for illustrating a kind of electronic installation 30 according to tenth embodiment of the invention.
The electronic installation 30 of tenth embodiment is an object wearing device (Wearable Device), and electronic installation 30 is wrapped
Containing image-taking device 31, image-taking device 31 includes the optical image lens group according to the present invention (figure is not disclosed)
And electronics photo-sensitive cell (figure is not disclosed), wherein electronics photo-sensitive cell is arranged at optical image lens group
Imaging surface.
Although the present invention is disclosed above with embodiment, so it is not limited to the present invention, any to be familiar with
This those skilled in the art, without departing from the spirit and scope of the present invention, when that can be used for a variety of modifications and variations, therefore
Protection scope of the present invention is worked as to be defined depending on the scope of which is defined in the appended claims.
Claims (25)
1. a kind of optical image lens group, it is characterised in that sequentially included by thing side to image side:
One first lens, are concave surface at its image side surface dipped beam axle with negative refracting power;
It is convex surface at one second lens, its thing side surface dipped beam axle;
One the 3rd lens, with positive refracting power;
One the 4th lens, are concave surface at its image side surface dipped beam axle with negative refracting power;
One the 5th lens, are convex surface at its image side surface dipped beam axle with positive refracting power;And
One the 6th lens, are concave surface at its thing side surface dipped beam axle, its image side surface is near with negative refracting power
For concave surface and its off-axis place includes an at least convex surface, the thing side surface and image side of wherein the 6th lens at optical axis
Surface is all aspherical;
Wherein, lens sum is wantonly two in six, and the optical image lens group in the optical image lens group
In all having an airspace on optical axis between adjacent lens, first lens are with second lens on optical axis
Spacing distance be T12, second lens and the 3rd lens are T23 in the spacing distance on optical axis, should
The radius of curvature of 6th lens thing side surface is R11, and the radius of curvature on the 6th lens image side surface is R12,
It meets following condition:
1.0<T12/T23<15;And
|(R11+R12)/(R11-R12)|<0.90。
2. optical image lens group according to claim 1, it is characterised in that the 5th lens in
Thickness on optical axis is CT5, and the 5th lens and the 6th lens are T56 in the spacing distance on optical axis,
It meets following condition:
0<CT5/T56<7.50。
3. optical image lens group according to claim 2, it is characterised in that the 5th lens in
Thickness on optical axis is CT5, and the 5th lens and the 6th lens are T56 in the spacing distance on optical axis,
It meets following condition:
0.70<CT5/T56<3.75。
4. optical image lens group according to claim 2, it is characterised in that the second lens picture
It is concave surface at the dipped beam axle of side surface.
5. optical image lens group according to claim 1, wherein the optical image lens group are most
Big image height is ImgH, and the 6th lens image side surface a to imaging surface is BL in the distance on optical axis, its
Meet following condition:
2.40<ImgH/BL<4.50。
6. optical image lens group according to claim 5, it is characterised in that the 5th lens thing
The radius of curvature of side surface is R9, and the radius of curvature on the 5th lens image side surface is R10, under it meets
Row condition:
0<(R9+R10)/(R9-R10)<10。
7. optical image lens group according to claim 1, it is characterised in that also include:
One aperture, is arranged between an object and the 3rd lens, and wherein the first lens thing side surface is most
Big effective radius is SD11, and the maximum image height of the optical image lens group is ImgH, and it meets following bar
Part:
0.50<SD11/ImgH<1.25。
8. optical image lens group according to claim 1, it is characterised in that first lens with
Second lens are T12 in the spacing distance on optical axis, and second lens are with the 3rd lens on optical axis
Spacing distance is T23, and it meets following condition:
1.50<T12/T23<7.50。
9. optical image lens group according to claim 1, it is characterised in that the 4th lens
Thing side surface and image side surface are all aspherical, and place is convex comprising at least one off axis on the 4th lens image side surface
Face.
10. optical image lens group according to claim 1, it is characterised in that first lens in
Thickness on optical axis is CT1, and second lens are CT2 in the thickness on optical axis, and it meets following condition:
0.75<CT1/CT2<5.0。
11. optical image lens group according to claim 10, it is characterised in that the 4th lens
Abbe number be V4, the abbe numbers of the 5th lens is V5, and the abbe number of the 6th lens is
V6, it meets following condition:
0.50<(V4+V6)/V5<1.20。
12. optical image lens group according to claim 1, it is characterised in that the 6th lens thing
The radius of curvature of side surface is R11, and the radius of curvature on the 6th lens image side surface is R12, under it meets
Row condition:
|(R11+R12)/(R11-R12)|<0.60。
13. optical image lens group according to claim 1, it is characterised in that first lens with
Second lens are T12 in the spacing distance on optical axis, and second lens are with the 3rd lens on optical axis
Spacing distance is T23, and the 3rd lens and the 4th lens are T34 in the spacing distance on optical axis, and this
Four lens and the 5th lens are T45 in the spacing distance on optical axis, the 5th lens and the 6th lens in
Spacing distance on optical axis is T56, and it meets following condition:
1.0<(T12+T56)/(T23+T34+T45)<4.50。
14. optical image lens group according to claim 1, it is characterised in that the optical image is saturating
The maximum image height of microscope group is ImgH, and the focal length of the optical image lens group is f, and it meets following condition:
1.30<ImgH/f<3.0。
15. optical image lens group according to claim 1, it is characterised in that the 3rd lens
Focal length is f3, and the focal length of the 5th lens is f5, and it meets following condition:
0.75<f3/f5<1.50。
16. a kind of image-taking device, it is characterised in that include:
Optical image lens group as claimed in claim 1;And
One electronics photo-sensitive cell, it is arranged at an imaging surface of the optical image lens group.
17. a kind of electronic installation, it is characterised in that include:
Image-taking device as claimed in claim 16.
18. a kind of optical image lens group, it is characterised in that sequentially included by thing side to image side:
One first lens, are concave surface at its image side surface dipped beam axle with negative refracting power;
It is convex surface at one second lens, its thing side surface dipped beam axle;
One the 3rd lens, with positive refracting power;
One the 4th lens, are concave surface at its image side surface dipped beam axle with negative refracting power;
One the 5th lens, are convex surface at its image side surface dipped beam axle with positive refracting power;And
One the 6th lens, are concave surface at its thing side surface dipped beam axle, its image side surface is near with negative refracting power
For concave surface and its off-axis place includes an at least convex surface, the thing side surface and image side of wherein the 6th lens at optical axis
Surface is all aspherical;
Wherein, lens sum is wantonly two in six, and the optical image lens group in the optical image lens group
In all having an airspace on optical axis between adjacent lens, first lens are with second lens on optical axis
Spacing distance be T12, second lens and the 3rd lens are T23 in the spacing distance on optical axis, should
The radius of curvature of 6th lens thing side surface is R11, and the radius of curvature on the 6th lens image side surface is R12,
It meets following condition:
0<T12/T23<15;And
|(R11+R12)/(R11-R12)|<0.80。
19. optical image lens group according to claim 18, it is characterised in that first lens
It is CT1 in the thickness on optical axis, second lens are CT2 in the thickness on optical axis, and it meets following condition:
0.75<CT1/CT2<5.0。
20. optical image lens group according to claim 18, it is characterised in that the 4th lens
Thing side surface and image side surface be all aspherical, the radius of curvature of the 4th lens thing side surface is R7,
The radius of curvature of 4th lens image side surface is R8, and it meets following condition:
0<(R7+R8)/(R7-R8)<5.5。
21. optical image lens group according to claim 18, it is characterised in that the optical image
The maximum image height of lens group is ImgH, and the 6th lens image side surface a to imaging surface is in the distance on optical axis
For BL, it meets following condition:
2.40<ImgH/BL<4.50。
22. optical image lens group according to claim 18, it is characterised in that the 3rd lens
Focal length be f3, the focal lengths of the 5th lens is f5, and it meets following condition:
0.75<f3/f5<1.50。
23. optical image lens group according to claim 18, it is characterised in that first lens
Focal length be f1, the focal lengths of the 6th lens is f6, and it meets following condition:
0.40<f1/f6<1.25。
24. optical image lens group according to claim 18, it is characterised in that the 5th lens
It is CT5 in the thickness on optical axis, the 5th lens are in the spacing distance on optical axis with the 6th lens
T56, it meets following condition:
0.50<CT5/T56<3.75。
25. optical image lens group according to claim 18, it is characterised in that first lens
The maximum effective radius of thing side surface is SD11, and the maximum image height of the optical image lens group is ImgH,
It meets following condition:
0.50<SD11/ImgH<1.25。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610194038.6A CN107290840B (en) | 2016-03-31 | 2016-03-31 | Optical image lens group, image-taking device and electronic device |
Applications Claiming Priority (1)
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