CN107728289A - A kind of high pixel camera lens - Google Patents
A kind of high pixel camera lens Download PDFInfo
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- CN107728289A CN107728289A CN201711052765.XA CN201711052765A CN107728289A CN 107728289 A CN107728289 A CN 107728289A CN 201711052765 A CN201711052765 A CN 201711052765A CN 107728289 A CN107728289 A CN 107728289A
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- eyeglass
- camera lens
- high pixel
- lens
- pixel camera
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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
- G02B13/004—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 four lenses
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- General Physics & Mathematics (AREA)
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Abstract
The present invention relates to a kind of high pixel camera lens, arranged along optical axis from object space to image space and be followed successively by aperture diaphragm, the first eyeglass, the second eyeglass, the 3rd eyeglass, the 4th eyeglass and optical filter, first eyeglass, the second eyeglass, the 3rd eyeglass and the 4th eyeglass are plastic aspherical element eyeglass：First eyeglass is the lenticular lens for having positive light coke；Second eyeglass is the meniscus shaped lens for being convex to image space for having negative power；3rd eyeglass is the lenticular lens for having positive light coke, and at least one face has a point of inflexion；4th eyeglass is the double concave lens for having negative power, and at least one face has at least one point of inflexion.The high pixel camera lens of the present invention, its front end length is longer, can meet special use environment, helps optical system to lift imaging definition using four aspherical plastic cement camera lenses, and can be good at optimizing aberration.
Description
Technical field
The present invention relates to optical lens, more particularly to a kind of high pixel camera lens.
Background technology
With the development of camera lens industry, the use environment of small camera lens is also changing, and is required in structure also increasingly
Variation.Existing small camera lens is all compact lenses, and the airspace between the thickness and eyeglass of eyeglass is all smaller.Can not
Meet the Special use environment of client.
The content of the invention
The embodiment of the present invention provides a kind of high pixel camera lens, and its front end length is longer, can meet special use environment, adopt
Help optical system to lift imaging definition with four aspherical plastic cement camera lenses, and can be good at optimizing aberration.
The present invention provides a kind of high pixel camera lens, is arranged along optical axis from object space to image space and is followed successively by aperture diaphragm, first
Eyeglass, the second eyeglass, the 3rd eyeglass, the 4th eyeglass and optical filter, first eyeglass, the second eyeglass, the 3rd eyeglass and the 4th
Eyeglass is plastic aspherical element eyeglass：
First eyeglass is the lenticular lens for having positive light coke；
Second eyeglass is the meniscus shaped lens for being convex to image space for having negative power；
3rd eyeglass is the lenticular lens for having positive light coke, and at least one face has a point of inflexion；
4th eyeglass is the double concave lens for having negative power, and at least one face has at least one point of inflexion.
In the high pixel camera lens of the present invention, first eyeglass meets following condition formulae：
1<f1/f<3；
Wherein, f1For the focal length of the first eyeglass, f is lens focus.
In the high pixel camera lens of the present invention, the 3rd eyeglass meets following condition formulae：
0.3<f3/f<0.8, Z5<0.1；
Wherein, f3For the focal length of the 3rd eyeglass, f is lens focus, Z5For the rise for being convex to object plane of the 3rd eyeglass.
In the high pixel camera lens of the present invention, first eyeglass meets following condition formulae：
-2<r1/r2<-1；
r1For the radius of curvature for being convex to object plane of the first eyeglass, r2For the radius of curvature for being convex to image planes of the first eyeglass.
In the high pixel camera lens of the present invention, second eyeglass meets following condition formulae：
r4<1；
Wherein, r4For the radius of curvature for concaving towards object plane of the second eyeglass.
In the high pixel camera lens of the present invention, the 3rd eyeglass meets following condition formulae：
(r5+r6)/(r5-r6)<1；
Wherein, r5For the radius of curvature for being convex to object plane of the 3rd eyeglass, r6For the curvature for being convex to image planes half of the 3rd eyeglass
Footpath.
In the high pixel camera lens of the present invention, first eyeglass and the second eyeglass meet following condition formulae：
1<d1/d3<3.5；
Wherein, d1For the center thickness of the first eyeglass, d3For the center thickness of the second eyeglass.
In the high pixel camera lens of the present invention, the camera lens meets following condition formulae：
0.75<(d1+d2+d3+d4)/IH<0.85：
Wherein, d1For the center thickness of the first eyeglass, d2Centre distance for the first eyeglass to the second eyeglass, d3For second
The center thickness of eyeglass, d4Centre distance for the second eyeglass to the 3rd eyeglass, IH are maximum half image height.
In the high pixel camera lens of the present invention, the camera lens meets following condition formulae：
3.0<d4/d2<10.0；
Wherein, d2Centre distance for the first eyeglass to the second eyeglass, d4Centre-to-centre spacing for the second eyeglass to the 3rd eyeglass
From.
In the high pixel camera lens of the present invention, the camera lens meets following condition formulae：
TL/f>1.5；
Wherein, f is eyeglass focal length, and TL is the optics overall length of camera lens.
The lens structure of the camera lens of the present invention is special, and diaphragm is positioned over front end, in order to reach the mesh of increase front end length
, the thickness of the first eyeglass and the second eyeglass is all relatively thick, and the airspace between eyeglass is also larger.3rd eyeglass is adopted
With biconvex eyeglass, there is the point of inflexion on the first face and rise is also very small.This ensure that diaphragm is between the 3rd eyeglass
Away from can be lifted to greatest extent.To meet the particular service requirement of client.Camera lens of the present invention uses four aspherical plastic rubber mirrors
Head helps optical system to lift imaging definition, and can be good at optimizing aberration, reduces the influence of aberration, obtains more preferable
Image analysis ability.
Brief description of the drawings
Fig. 1 is the X-Y scheme of the high pixel camera lens of the present invention；
Fig. 2 is the structure chart of the high pixel camera lens of embodiments of the invention 1；
Fig. 3 is the structure chart of the high pixel camera lens of embodiments of the invention 2；
Fig. 4 is the MTF transfer curve figures of the high pixel camera lens of the present invention；
Fig. 5 is the curvature of field figure of the high pixel camera lens of the present invention；
Fig. 6 is the distortion characteristics curve map of the high pixel camera lens of the present invention；
Fig. 7 is the chromatic longitudiinal aberration figure of the high pixel camera lens of the present invention；
Fig. 8 is the defocusing curve figure of the optical system of the high pixel camera lens of the present invention.
Embodiment
As shown in Figure 1 to Figure 3, the invention provides a kind of high pixel camera lens, camera lens to include：Arranged along optical axis from object space
Aperture diaphragm S, the first eyeglass L1, the second eyeglass L2, the 3rd eyeglass L3, the 4th eyeglass L4 and the optical filter set gradually to image space
IR, the first eyeglass L1, the second eyeglass L2, the 3rd eyeglass L3 and the 4th eyeglass L4 are plastic aspherical element eyeglass：
First eyeglass L1 is the lenticular lens for having positive light coke；Second eyeglass L2 be there is negative power be convex to picture
The meniscus shaped lens of side；3rd eyeglass L3 is the lenticular lens for having positive light coke, and at least one face has one instead
Qu Dian；4th eyeglass L4 is the double concave lens for having negative power, and at least one face has at least one point of inflexion.
First eyeglass L1 meets following condition formulae：1<f1/f<3, -2<r1/r2<-1.Wherein, f1For the focal length of the first eyeglass,
F is lens focus.r1For the radius of curvature for being convex to object plane of the first eyeglass, r2For the curvature for being convex to image planes half of the first eyeglass
Footpath.
Second eyeglass meets following condition formulae：r4<1, wherein, r4For the radius of curvature for concaving towards object plane of the second eyeglass.
3rd eyeglass meets following condition formulae：0.3<f3/f<0.8, (r5+r6)/(r5-r6)<1, Z5<0.1.Wherein, f3For
The focal length of 3rd eyeglass, f are lens focus；r5For the radius of curvature for being convex to object plane of the 3rd eyeglass, r6For being convex to for the 3rd eyeglass
The radius of curvature of image planes；Z5For the rise for being convex to object plane of the 3rd eyeglass.
First eyeglass and the second eyeglass meet following condition formulae：1<d1/d3<3.5.Wherein, d1It is thick for the center of the first eyeglass
Degree, d3For the center thickness of the second eyeglass.
Camera lens meets following condition formulae：0.75<(d1+d2+d3+d4)/IH<0.85,3.0<d4/d2<10.0 TL/f>1.5.
Wherein, d1For the center thickness of the first eyeglass, d2Centre distance for the first eyeglass to the second eyeglass, d3For in the second eyeglass
Heart thickness, d4Centre distance for the second eyeglass to the 3rd eyeglass, IH are maximum half image height.d2For the first eyeglass to the second eyeglass
Centre distance, d4Centre distance for the second eyeglass to the 3rd eyeglass.F is eyeglass focal length, and TL is the optics overall length of camera lens.
It is an object of the invention to provide a kind of high pixel camera lens for increasing first half segment length, the lens structure of this camera lens is special
Very, diaphragm is positioned over front end, and in order to reach the purpose of increase front end length, the first eyeglass L1 and the second eyeglass L2 thickness are all
It is relatively thick, and the airspace between two eyeglasses is also larger.3rd eyeglass L3 employs biconvex eyeglass, is convex on object plane
There is the point of inflexion and rise is also very small.This ensure that diaphragm S to the 3rd eyeglass L3 spacing can be lifted to greatest extent.
To meet the particular service requirement of client.Maximum half image height of the optical system of this camera lens is 2.4mm, using F2.0 large apertures,
Back work distance is from 0.7mm<FBL<0.86mm, it is easy to shaping and structure design in the structure of eyeglass.Considered in system optimization
Production, the optimization to system tolerance is added, simulate to obtain yield more than 65% according to conventional maximum production tolerance.
Camera lens of the present invention helps optical system to lift imaging definition using four aspherical plastic cement camera lenses, and can
Optimization aberration well, reduces the influence of aberration, obtains better image analytic ability.Main method is to employ even aspheric
Face, the shape of eyeglass can be effectively controlled, reduce the aberration of each position in image planes in this optical system.Four of the present invention
The equal even aspheric surface of eyeglass, each asphericity coefficient meet equation below：
Wherein, z represents aspherical rise, and c represents aspherical paraxial curvature, and y represents camera lens aperture, and k represents circular cone coefficient,
A4For 4 asphericity coefficients, A6For 6 asphericity coefficients, A8For 8 asphericity coefficients, A10For 10 asphericity coefficients, A12For
12 asphericity coefficients, A14For 14 asphericity coefficients, A16For 16 asphericity coefficients.
Embodiment 1：The design parameter of the high pixel camera lens of the present embodiment is as shown in the table：
Table 1 is the design parameter table of the optical system of embodiment 1.
| Face number | Type | Curvature | Thickness | Refractive Index of Material | Half bore | Circular cone coefficient |
| 0 | Sphere | 0 | 500 | 447.0516 | 0 | |
| 1 | Sphere | 0 | -0.0631 | 0.6456 | 0 | |
| 2 | It is aspherical | 0.4128 | 0.8616 | 1.54,56.1 | 0.6481 | 3.3840 |
| 3 | It is aspherical | -0.5056 | 0.1103 | 0.7327 | 5.1832 | |
| 4 | It is aspherical | -0.5803 | 0.4350 | 1.65,21.5 | 0.7176 | -4.3033 |
| 5 | It is aspherical | -0.1000 | 0.4831 | 0.9218 | -9.9977 | |
| 6 | It is aspherical | 0.1834 | 0.6039 | 1.54,56.1 | 1.2034 | -9.9112 |
| 7 | It is aspherical | -1.1259 | 0.0500 | 1.3962 | -9.4552 | |
| 8 | It is aspherical | 0.3804 | 0.3600 | 1.54,56.1 | 1.4697 | 1.8514 |
| 9 | It is aspherical | 1.8339 | 0.3840 | 1.9119 | -4.2084 | |
| 10 | Sphere | 0 | 0.2100 | BK7 | 2.0219 | 0 |
| 11 | Sphere | 0 | 0.5000 | 2.1097 | 0 | |
| 12 | Sphere | 0 | 0 | 2.4726 | 0 |
Table 2 is the asphericity coefficient table of the optical system of embodiment 1.
As shown in figure 1, it is the X-Y scheme of camera lens of the present invention.The lens structure and light trend graph of the present invention, reflects this
The lens shape of optical system is more well-balanced, is easy to be molded.And the distribution of eyeglass is more balanced, it is special that mirror distance between commutator segments meets
It is required that the and later stage structure design done.
Fig. 2 is the structure chart of the high pixel camera lens of embodiments of the invention 1；
Fig. 3 is the structure chart of the high pixel camera lens of embodiments of the invention 2；
As shown in figure 4, be the MTF transfer curves figure (optical transfer function) of camera lens of the present invention, can be with concentrated expression
The image quality of system, its curve shape is more smooth, and the height of relative X-axis is higher, it was demonstrated that and the image quality of system is better, this
Invention camera lens has higher definition, in 110lp/mm, MTF in 0.8 visual field>0.6.
As shown in figure 5, different curves represent different wavelength, S represents Sagittal field curvature, and T represents meridianal curvature of field, and the two does
Difference is exactly the astigmatism of system, and astigmatism and the curvature of field are to influence the important aberration of the outer field rays of axle, and astigmatism is crossed conference and severely impacted
To the image quality of system off-axis ray, the curvature of field can cause center and peripheral optimal imaging not in a plane, the curve from figure
From the point of view of, the curvature of field and astigmatism within 0.8 visual field are remedied within 0.04mm.Fig. 6 is the distortion curve of system, and distort not shadow
The definition of acoustic system, but system variant can be caused.The optical distortion of the system is less than 2%, has been remedied to extraordinary
Situation.
As shown in fig. 7, representing the chromatic longitudiinal aberration of lens imaging system, chromatic longitudiinal aberration is represented in the whole image planes of system, respectively
The focal position difference of color wavelength, chromatic longitudiinal aberration is smaller, represent each color wavelength light collection it is better.Optical system
Chromatic longitudiinal aberration within 0.9 visual field is controlled within 2um.
As shown in figure 8, representing the defocusing curve of optical system, represent that 0 visual field, 0.2 visual field, 0.4 visual field, 0.6 regard respectively
The optical property and defocusing amount of field, 0.8 visual field and 1.0 visual fields.Peak of curve distance center point is nearer, represents that optical property is got over
Good, place is also smaller.
Presently preferred embodiments of the present invention is the foregoing is only, the thought being not intended to limit the invention is all the present invention's
Within spirit and principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
1. a kind of high pixel camera lens, it is characterised in that arranged along optical axis from object space to image space and be followed successively by aperture diaphragm, the first mirror
Piece, the second eyeglass, the 3rd eyeglass, the 4th eyeglass and optical filter, first eyeglass, the second eyeglass, the 3rd eyeglass and the 4th mirror
Piece is plastic aspherical element eyeglass：
First eyeglass is the lenticular lens for having positive light coke；
Second eyeglass is the meniscus shaped lens for being convex to image space for having negative power；
3rd eyeglass is the lenticular lens for having positive light coke, and at least one face has a point of inflexion；
4th eyeglass is the double concave lens for having negative power, and at least one face has at least one point of inflexion.
2. high pixel camera lens as claimed in claim 1, it is characterised in that first eyeglass meets following condition formulae：
1<f1/f<3；
Wherein, f1For the focal length of the first eyeglass, f is lens focus.
3. high pixel camera lens as claimed in claim 1, it is characterised in that the 3rd eyeglass meets following condition formulae：
0.3<f3/f<0.8, Z5<0.1；
Wherein, f3For the focal length of the 3rd eyeglass, f is lens focus, Z5For the rise for being convex to object plane of the 3rd eyeglass.
4. high pixel camera lens as claimed in claim 1, it is characterised in that first eyeglass meets following condition formulae：
-2<r1/r2<-1；
r1For the radius of curvature for being convex to object plane of the first eyeglass, r2For the radius of curvature for being convex to image planes of the first eyeglass.
5. high pixel camera lens as claimed in claim 1, it is characterised in that second eyeglass meets following condition formulae：
r4<1；
Wherein, r4For the radius of curvature for concaving towards object plane of the second eyeglass.
6. high pixel camera lens as claimed in claim 1, it is characterised in that the 3rd eyeglass meets following condition formulae：
(r5+r6)/(r5-r6)<1；
Wherein, r5For the radius of curvature for being convex to object plane of the 3rd eyeglass, r6For the radius of curvature for being convex to image planes of the 3rd eyeglass.
7. high pixel camera lens as claimed in claim 1, it is characterised in that first eyeglass and the second eyeglass meet following bar
Part formula：
1<d1/d3<3.5；
Wherein, d1For the center thickness of the first eyeglass, d3For the center thickness of the second eyeglass.
8. high pixel camera lens as claimed in claim 1, it is characterised in that the camera lens meets following condition formulae：
0.75<(d1+d2+d3+d4)/IH<0.85：
Wherein, d1For the center thickness of the first eyeglass, d2Centre distance for the first eyeglass to the second eyeglass, d3For the second eyeglass
Center thickness, d4Centre distance for the second eyeglass to the 3rd eyeglass, IH are maximum half image height.
9. high pixel camera lens as claimed in claim 1, it is characterised in that the camera lens meets following condition formulae：
3.0<d4/d2<10.0；
Wherein, d2Centre distance for the first eyeglass to the second eyeglass, d4Centre distance for the second eyeglass to the 3rd eyeglass.
10. high pixel camera lens as claimed in claim 1, it is characterised in that the camera lens meets following condition formulae：
TL/f>1.5；
Wherein, f is eyeglass focal length, and TL is the optics overall length of camera lens.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711052765.XA CN107728289B (en) | 2017-11-01 | 2017-11-01 | High-pixel lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052765.XA CN107728289B (en) | 2017-11-01 | 2017-11-01 | High-pixel lens |
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| CN107728289A true CN107728289A (en) | 2018-02-23 |
| CN107728289B CN107728289B (en) | 2023-10-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791490A (en) * | 2021-11-18 | 2021-12-14 | 江西联益光学有限公司 | Optical lens and imaging apparatus |
| US11960059B2 (en) | 2018-05-03 | 2024-04-16 | Zhejiang Sunny Optical Co., Ltd | Optical imaging system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002365529A (en) * | 2001-06-05 | 2002-12-18 | Casio Comput Co Ltd | Photographic lens |
| JP2007212878A (en) * | 2006-02-10 | 2007-08-23 | Matsushita Electric Ind Co Ltd | Single focal imaging lens and imaging apparatus having same |
| KR100799217B1 (en) * | 2006-09-11 | 2008-01-29 | 삼성테크윈 주식회사 | Photographic lens |
| JP2008242180A (en) * | 2007-03-28 | 2008-10-09 | Konica Minolta Opto Inc | Imaging lens, imaging apparatus and personal digital assistant |
| CN203643674U (en) * | 2013-11-15 | 2014-06-11 | 光燿科技股份有限公司 | An imaging optical lens set |
| CN106291880A (en) * | 2016-08-30 | 2017-01-04 | 辽宁中蓝电子科技有限公司 | A kind of large aperture ultra-thin Radix Rumicis mobile lens |
| CN106646836A (en) * | 2016-12-20 | 2017-05-10 | 中山联合光电科技股份有限公司 | Large aperture wide angle small imaging system |
-
2017
- 2017-11-01 CN CN201711052765.XA patent/CN107728289B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002365529A (en) * | 2001-06-05 | 2002-12-18 | Casio Comput Co Ltd | Photographic lens |
| JP2007212878A (en) * | 2006-02-10 | 2007-08-23 | Matsushita Electric Ind Co Ltd | Single focal imaging lens and imaging apparatus having same |
| KR100799217B1 (en) * | 2006-09-11 | 2008-01-29 | 삼성테크윈 주식회사 | Photographic lens |
| JP2008242180A (en) * | 2007-03-28 | 2008-10-09 | Konica Minolta Opto Inc | Imaging lens, imaging apparatus and personal digital assistant |
| CN203643674U (en) * | 2013-11-15 | 2014-06-11 | 光燿科技股份有限公司 | An imaging optical lens set |
| CN106291880A (en) * | 2016-08-30 | 2017-01-04 | 辽宁中蓝电子科技有限公司 | A kind of large aperture ultra-thin Radix Rumicis mobile lens |
| CN106646836A (en) * | 2016-12-20 | 2017-05-10 | 中山联合光电科技股份有限公司 | Large aperture wide angle small imaging system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11960059B2 (en) | 2018-05-03 | 2024-04-16 | Zhejiang Sunny Optical Co., Ltd | Optical imaging system |
| CN113791490A (en) * | 2021-11-18 | 2021-12-14 | 江西联益光学有限公司 | Optical lens and imaging apparatus |
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| Publication number | Publication date |
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| CN107728289B (en) | 2023-10-17 |
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