CN205861993U - Optical system and the camera lens of application thereof - Google Patents
Optical system and the camera lens of application thereof Download PDFInfo
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- CN205861993U CN205861993U CN201620802312.9U CN201620802312U CN205861993U CN 205861993 U CN205861993 U CN 205861993U CN 201620802312 U CN201620802312 U CN 201620802312U CN 205861993 U CN205861993 U CN 205861993U
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- lens
- optical system
- convex surface
- image planes
- object plane
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Abstract
This utility model embodiment discloses a kind of optical system, the most at least includes from object plane to image planes along optical axis: the first lens, the second lens, the 3rd lens, the 4th lens, the 5th lens and the 6th lens；The object plane side of the first lens is convex surface, and image planes side is concave surface, and its focal power is negative；The object plane side of the second lens is convex surface, and image planes side is concave surface, and its focal power is negative；The object plane side of the 3rd lens is convex surface, and image planes side is concave surface, and its focal power is just；The object plane side of the 4th lens is convex surface, and image planes side is convex surface, and its focal power is just；The object plane side of the 5th lens is concave surface, and image planes side is convex surface, and its focal power is negative；The object plane side of the 6th lens is convex surface, and image planes side is convex surface, and its focal power is just.On the other hand, this utility model embodiment also discloses a kind of camera lens.This utility model embodiment, is mainly made up of 6 pieces of lens, and lens piece number is few, simple in construction, has the superperformances such as large aperture, big visual angle, high pixel and extraordinary athermal.
Description
Technical field:
This utility model relates to the camera lens of a kind of optical system and application thereof, a kind of high pixel ultra-wide angle optical system
System and the camera lens of application thereof.
Background technology:
Along with application and the exploitation of panoramic parking system of full shot camera technique, market occurs in that one
Series bugeye lens product: as a kind of fish eye optical camera lens is mentioned in the patent application of publication number CN103293640A, but this mirror
Head have employed 11 pieces of eyeglasses, there is number of lenses many, baroque defect.
Summary of the invention:
Many for overcoming existing optical system or camera lens to there is number of lenses, baroque problem, this utility model is implemented
On the one hand example provides a kind of optical system.
Optical system, the most at least includes from object plane to image planes along optical axis: the first lens, the second lens, the 3rd lens,
Four lens, the 5th lens and the 6th lens；
The object plane side of described first lens is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of described second lens is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of described 3rd lens is convex surface, and image planes side is concave surface, and its focal power is just；
The object plane side of described 4th lens is convex surface, and image planes side is convex surface, and its focal power is just；
The object plane side of described 5th lens is concave surface, and image planes side is convex surface, and its focal power is negative；
The object plane side of described 6th lens is convex surface, and image planes side is convex surface, and its focal power is just.
On the other hand, this utility model embodiment additionally provides a kind of camera lens.
A kind of camera lens, is provided with optical system described above in camera lens.
This utility model embodiment, is mainly made up of 6 pieces of lens, and lens piece number is few, simple in construction；Use different lens phase
Combination and reasonable distribution focal power, have the superperformances such as large aperture, big visual angle, high pixel and extraordinary athermal mutually.
Accompanying drawing illustrates:
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, required in embodiment being described below
Accompanying drawing to be used is briefly described, it should be apparent that, the accompanying drawing in describing below is only realities more of the present utility model
Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the structural representation of optical system of the present utility model or camera lens；
Fig. 2 is the distortion curve figure at 25 DEG C of optical system of the present utility model or camera lens；
Fig. 3 is the MTF curve figure at 25 DEG C of optical system of the present utility model or camera lens；
Fig. 4 is the relative illumination figure at 25 DEG C of optical system of the present utility model or camera lens；
Fig. 5 is the MTF curve figure at-40 DEG C of optical system of the present utility model or camera lens；
Fig. 6 is the MTF curve figure at 105 DEG C of optical system of the present utility model or camera lens.
Detailed description of the invention:
In order to make this utility model be solved the technical problem that, technical scheme and beneficial effect clearer, below
In conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that described herein being embodied as
Example, only in order to explain this utility model, is not used to limit this utility model.
As it is shown in figure 1, the optical system of the present embodiment, 9 the most at least include from object plane to image planes along optical axis: the first lens
1, the second lens the 2, the 3rd lens the 3, the 4th lens the 4, the 5th lens 5 and the 6th lens 6；
The object plane side of described first lens 1 is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of described second lens 2 is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of described 3rd lens 3 is convex surface, and image planes side is concave surface, and its focal power is just；
The object plane side of described 4th lens 4 is convex surface, and image planes side is convex surface, and its focal power is just；
The object plane side of described 5th lens 5 is concave surface, and image planes side is convex surface, and its focal power is negative；
The object plane side of described 6th lens 6 is convex surface, and image planes side is convex surface, and its focal power is just.
This utility model embodiment, is mainly made up of 6 pieces of lens, and lens piece number is few, simple in construction；Use different lens phase
Combination and reasonable distribution focal power, have the superperformances such as large aperture, big visual angle, high pixel and extraordinary athermal mutually.
Further, each lens of this optical system meet following condition:
(1)-25<f1<-5；
(2)-5<f2<-1；
(3)2<f3<10；
(4)1<f4<5；
(5)-8<f5<-1；
(6)2<f6<10；
Wherein, f1 is the focal length of the first lens 1, and f2 is the focal length of the second lens 2, and f3 is the focal length of the 3rd lens 3, and f4 is
The focal length of the 4th lens 4, f5 is the focal length of the 5th lens 5, and f6 is the focal length of the 6th lens 6.By different lens mutual group
Close and reasonable distribution focal power, make optical system have large aperture, big visual angle, high pixel and extraordinary athermal etc.
Superperformance.
Yet further, described 4th lens 4 and the 5th lens 5 the most glued formation balsaming lens group.Simple in construction, makes
Optical system has superperformance.
Further, described balsaming lens group meets following condition: 2 < f45 < 20, and wherein, f45 is balsaming lens group
Focal length.Simple in construction, it is ensured that good optical property.
Further, described second lens the 2, the 3rd lens 3 and the 6th lens 6 are plastic aspheric lens.Can
Effectively to eliminate the spherical aberration impact on lens performance, improve the parsing power of optical lens, the heat that disappears can be effectively realized
Difference, reduces difficulty of processing and the production cost of camera lens simultaneously.
Specifically, the diaphragm 8 of optical system is between the 3rd lens and the 4th lens.It is used for regulating the intensity of light beam.
Preferably, diaphragm 8 is arranged on the 4th eyeglass 4 near image side, and in the present embodiment, the position of each lens and diaphragm 8 is fixing
's.
Further, being provided with bandpass filter 7 between described 6th lens 6 and image planes 9, may filter that in environment is infrared
Light, to avoid image to produce red exposure phenomenon.
Specifically, in the present embodiment, the focal distance f of this optical system is 1.26mm, and stop index FNo. is 2.0, visual field
ω=220 °, angle 2, focal distance f 1=-6.009mm of the first lens 1, focal distance f 2=-1.564mm of the second lens 2, the 3rd lens 3
Focal distance f 3=3.486mm, focal distance f 4=1.467mm of the 4th lens 4, focal distance f 5=-1.457mm of the 5th lens 5, the 6th
Focal distance f 6=3.060mm of lens 6.Every basic parameter of this optical system is as shown in the table:
In upper table, along optical axis from object plane to image planes 9, S1, S2 correspond to two surfaces of the first lens 1；S3, S4 correspond to
Two surfaces of the second lens 2；S5, S6 correspond to two surfaces of the 3rd lens 3；STO is diaphragm 8 position；S8, S9 couple
Should be two surfaces of the 4th lens 4；S9, S10 correspond to two surfaces of the 5th lens 5；S11, S12 correspond to the 6th lens
Two surfaces of 6；S13, S14 correspond to two surfaces of bandpass filter 7；IMA is image planes 9.
More specifically, the surface of described second lens the 2, the 3rd lens 3 and the 6th lens 6 is aspherical shape, it is full
Foot below equation: Wherein, parameter
C=1/R, is the curvature corresponding to radius, and y is radial coordinate, and its unit is identical with length of lens unit, and k is circular cone secondary
Curve coefficients, a1To a5It is respectively the coefficient corresponding to each radial coordinate.The S3 surface of described second lens 2 and S4 surface, the 3rd
The aspheric surface correlation values such as following table institute on the S5 surface of lens 3 and S6 surface and the S11 surface of the 6th lens 6 and S12 surface
Show:
| K | a1 | a2 | a3 | a4 | a5 | |
| S3 | -3.33 | 0 | -0.05178 | 0.001326 | -4.5E-05 | 0 |
| S4 | -0.82 | 0 | -0.07916 | -0.00016 | -0.01493 | -0.01031 |
| S5 | 0 | 0 | 0.037217 | 0.047622 | -0.0209 | 0.006492 |
| S6 | -200 | 0 | 0.01278 | 0.000466 | -0.11024 | 0.060152 |
| S11 | -1.2 | 0 | -0.00839 | 0.003714 | -0.00744 | 0 |
| S12 | -20 | 0 | 0.055421 | -0.00648 | 0.002957 | -0.00609 |
Optical system from Fig. 2 to Fig. 6 it can be seen that in the present embodiment has high-resolution and extraordinary athermal
Performance.
A kind of camera lens, is provided with optical system described above in camera lens.
The camera lens of this optical system and application thereof uses different lens combination and reasonable distribution focal power to achieve macropore
The superperformances such as footpath, big visual angle, high pixel.
It is described above as combining one or more embodiments that particular content provides, does not assert tool of the present utility model
Body is implemented to be confined to these explanations.All and method of the present utility model, structure etc. approximate, duplicate, or new for this practicality
Make some technology deduction or replace under type concept thereof, all should be considered as protection domain of the present utility model.
Claims (8)
1. optical system, the most at least includes from object plane to image planes along optical axis: the first lens, the second lens, the 3rd lens, the 4th
Lens, the 5th lens and the 6th lens；It is characterized in that,
The object plane side of described first lens is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of described second lens is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of described 3rd lens is convex surface, and image planes side is concave surface, and its focal power is just；
The object plane side of described 4th lens is convex surface, and image planes side is convex surface, and its focal power is just；
The object plane side of described 5th lens is concave surface, and image planes side is convex surface, and its focal power is negative；
The object plane side of described 6th lens is convex surface, and image planes side is convex surface, and its focal power is just.
Optical system the most according to claim 1, it is characterised in that each lens of this optical system meet following condition:
(1)-25<f1<-5；
(2)-5<f2<-1；
(3)2<f3<10；
(4)1<f4<5；
(5)-8<f5<-1；
(6)2<f6<10；
Wherein, f1 is the focal length of the first lens, and f2 is the focal length of the second lens, and f3 is the focal length of the 3rd lens, and f4 is the 4th saturating
The focal length of mirror, f5 is the focal length of the 5th lens, and f6 is the focal length of the 6th lens.
Optical system the most according to claim 1, it is characterised in that the mutually glued shape of described 4th lens and the 5th lens
Become glued battery of lens.
Optical system the most according to claim 3, it is characterised in that described balsaming lens group meets following condition: 2 < f45
< 20, wherein, f45 is the focal length of balsaming lens group.
Optical system the most according to claim 1, it is characterised in that described second lens, the 3rd lens and the 6th are saturating
Mirror is non-spherical lens.
Optical system the most according to claim 1, it is characterised in that the diaphragm of optical system is positioned at the 3rd lens and the 4th
Between lens.
Optical system the most according to claim 1, it is characterised in that be provided with the logical filter of band between described 6th lens and image planes
Mating plate.
8. a camera lens, it is characterised in that be provided with the optical system described in any one of claim 1-7 in camera lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620802312.9U CN205861993U (en) | 2016-07-27 | 2016-07-27 | Optical system and the camera lens of application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620802312.9U CN205861993U (en) | 2016-07-27 | 2016-07-27 | Optical system and the camera lens of application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN205861993U true CN205861993U (en) | 2017-01-04 |
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ID=57648369
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620802312.9U Expired - Fee Related CN205861993U (en) | 2016-07-27 | 2016-07-27 | Optical system and the camera lens of application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI647478B (en) * | 2018-01-15 | 2019-01-11 | 玉晶光電股份有限公司 | Optical imaging lens |
| CN114442283A (en) * | 2021-12-23 | 2022-05-06 | 广东弘景光电科技股份有限公司 | Panoramic optical system based on free-form surface design |
-
2016
- 2016-07-27 CN CN201620802312.9U patent/CN205861993U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI647478B (en) * | 2018-01-15 | 2019-01-11 | 玉晶光電股份有限公司 | Optical imaging lens |
| CN114442283A (en) * | 2021-12-23 | 2022-05-06 | 广东弘景光电科技股份有限公司 | Panoramic optical system based on free-form surface design |
| CN114442283B (en) * | 2021-12-23 | 2024-05-03 | 广东弘景光电科技股份有限公司 | Panoramic optical system based on free-form surface design |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20210727 |