CN207440375U - High pixel ultra-wide angle optical system and its camera module of application - Google Patents
High pixel ultra-wide angle optical system and its camera module of application Download PDFInfo
- Publication number
- CN207440375U CN207440375U CN201721473387.8U CN201721473387U CN207440375U CN 207440375 U CN207440375 U CN 207440375U CN 201721473387 U CN201721473387 U CN 201721473387U CN 207440375 U CN207440375 U CN 207440375U
- Authority
- CN
- China
- Prior art keywords
- lens
- focal length
- optical system
- high pixel
- object plane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Lenses (AREA)
Abstract
The utility model discloses a kind of high pixel ultra-wide angle optical system and its camera modules of application.The high pixel ultra-wide angle optical system of the utility model is equipped with successively along optical axis from object plane to image planes：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th lens；First lens, the second lens, the 3rd power of lens are negative；4th lens, the 5th lens, the 6th power of lens is just；7th power of lens is negative；8th power of lens is just；And this optical system meets TTL/EFL≤16.8, wherein, TTL be the first lens object plane side vertex of optical system the distance between to imaging surface, EFL is the effective focal length of optical system.The camera module of the utility model is mainly made of 8 pieces of lens, simple in structure；It is mutually combined using different lens and reasonable distribution focal power, there are the superperformances such as large aperture, big visual angle, high pixel and extraordinary athermal.
Description
Technical field：
The utility model is related to a kind of optical system and its camera module of application, especially a kind of high pixel ultra-wide angle light
System and its camera module of application.
Background technology：
With the development of semiconductor technology, the pixel of photo-sensitive cell is also higher and higher, photo-sensitive cell light-receiving area is also got over
Come it is bigger, ultra-wide angle optical system be intended to higher pixel, bigger target surface development.However, existing wide-angle optics, is generally deposited
It is low in pixel, it is of high cost the defects of.
The content of the invention：
To overcome the problems, such as that existing wide-angle optics generally existing pixel is low, the utility model embodiment provides one kind
High pixel ultra-wide angle optical system.
High pixel ultra-wide angle optical system is equipped with successively along optical axis from object plane to image planes：First lens, the second lens,
Three lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th lens；
The object plane side of first lens is convex surface, and image planes side is concave surface, and focal power is negative；
The object plane side of second lens is convex surface, and image planes side is concave surface, and focal power is negative；
The object plane side of 3rd lens is concave surface, and focal power is negative；
The object plane side of 4th lens is convex surface, and focal power is just；
The object plane side of 5th lens is convex surface, and image planes side is convex surface, and focal power is just；
The object plane side of 6th lens is convex surface, and image planes side is convex surface, and focal power is just；
The object plane side of 7th lens is concave surface, and focal power is negative；
The object plane side of 8th lens is convex surface, and image planes side is convex surface, and focal power is just；
And this optical system meets TTL/EFL≤16.8, wherein, TTL is the first lens object plane side vertex of optical system
The distance between to imaging surface, EFL is the effective focal length of optical system.
On the other hand, the utility model embodiment additionally provides a kind of camera module.
Camera module including at least optical lens, is equipped with high pixel ultra-wide angle optics described above in optical lens
System.
The utility model embodiment is mainly made of 8 pieces of lens, simple in structure；Be mutually combined using different lens and
Reasonable distribution focal power has the superperformances such as large aperture, big visual angle, high pixel and extraordinary athermal.
Description of the drawings：
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the optical system of the utility model or the structure diagram of camera module；
Fig. 2 is the distortion curve figure at the optical system of the utility model or+25 DEG C of camera module；
Fig. 3 is the MTF curve figure at the optical system of the utility model or+25 DEG C of camera module；
Fig. 4 is the relative illumination figure at the optical system of the utility model or+25 DEG C of camera module；
Fig. 5 is the MTF curve figure at the optical system of the utility model or -40 DEG C of camera module；
Fig. 6 is the MTF curve figure at the optical system of the utility model or+85 DEG C of camera module.
Specific embodiment：
The technical issues of in order to solve the utility model, technical solution and advantageous effect are more clearly understood, below
With reference to accompanying drawings and embodiments, the utility model is further elaborated.It should be appreciated that specific implementation described herein
Example is only used to explain the utility model, is not used to limit the utility model.
As shown in Figure 1, high pixel ultra-wide angle optical system, is equipped with successively along optical axis from object plane to image planes：First lens 1,
Second lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5, the 6th lens 6, the 7th lens 7 and the 8th lens 8.
The object plane side of first lens 1 is convex surface, and image planes side is concave surface, and focal power is negative；
The object plane side of second lens 2 is convex surface, and image planes side is concave surface, and focal power is negative；
The object plane side of 3rd lens 3 is concave surface, and focal power is negative；
The object plane side of 4th lens 4 is convex surface, and focal power is just；
The object plane side of 5th lens 5 is convex surface, and image planes side is convex surface, and focal power is just；
The object plane side of 6th lens 6 is convex surface, and image planes side is convex surface, and focal power is just；
The object plane side of 7th lens 7 is concave surface, and focal power is negative；
The object plane side of 8th lens 8 is convex surface, and image planes side is convex surface, and focal power is just；
And this optical system meets TTL/EFL≤16.8, wherein, TTL is the 1 object plane side vertex of the first lens of optical system
The distance between to imaging surface, EFL is the effective focal length of optical system.
The utility model embodiment is mainly made of 8 pieces of lens, simple in structure；Be mutually combined using different lens and
Reasonable distribution focal power has the superperformances such as large aperture, big visual angle, high pixel and extraordinary athermal.
In the present embodiment, the effective focal length EFL of optical system is the focal length f of entire optical system, the 3rd lens 3,
The image planes side shape of 4th lens 4 and the 7th lens 7 can use concave surface or convex surface according to the design needs.
Specifically, it is non-limiting as the preferred embodiment of this programme, in the present embodiment, the object plane side of the 3rd lens 3
For concave surface, image planes side is convex surface, and focal power is negative；The object plane side of 4th lens 4 is convex surface, and image planes side is convex surface, light focus
It spends for just；The object plane side of 7th lens 7 is concave surface, and image planes side is concave surface, and focal power is negative.
Further, the specific embodiment as this programme, each lens of the optical system meet following condition：
(1)-15<f1<-5；
(2)-5<f2<-2；
(3)-50<f3<-10；
(4)3<f4<15；
(5)3<f5<15；
(6)2<f6<8；
(7)-10<f7<-2；
(8)2<f8<15；
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 4th lens 4, f5 are the focal length of the 5th lens 5, and f6 is the focal length of the 6th lens 6, and f7 is the focal length of the 7th lens 7,
F8 is the focal length of the 8th lens 8.By different lens be mutually combined and its reasonable distribution focal power, there is optical system big
The superperformances such as aperture, big visual angle, high pixel and extraordinary athermal.
Yet further, non-limiting as the specific embodiment of this programme, each lens of the optical system meet such as
Lower condition：
(1)-12<f1/f<-2；
(2)-5<f2/f<-2；
(3)-20<f3/f<-5；
(4)2<f4/f<10；
(5)2<f5/f<10；
(6)1.5<f6/f<5；
(7)-5<f7/f<-1.5；
(8)2<f8/f<10；
Wherein, f be entire optical system focal length, f1 be the first lens 1 focal length, f2 be the second lens 2 focal length, f3
For the focal length of the 3rd lens 3, f4 is the focal length of the 4th lens 4, and f5 is the focal length of the 5th lens 5, and f6 is the coke of the 6th lens 6
Away from f7 is the focal length of the 7th lens 7, and f8 is the focal length of the 8th lens 8.By different lens be mutually combined and its reasonable distribution
Focal power makes optical system have the superperformances such as large aperture, big visual angle, high pixel and extraordinary athermal.
Further, it is non-limiting as the specific embodiment of this programme, focal length f1, the material folding of the first lens 1
Penetrate rate Nd1, material Abbe constant Vd1 satisfaction：-12<f1/f<- 2,1.72<Nd1<1.95 40<Vd1<60, wherein, f is entire
The focal length of optical system.It is simple in structure, it is ensured that good optical property.
Further, it is non-limiting as the specific embodiment of this programme, focal length f2, the material folding of the second lens 2
Penetrate rate Nd2, material Abbe constant Vd2 satisfaction：-5<f2/f<- 2,1.45<Nd2<1.65 40<Vd2<60, wherein, f is entire light
The focal length of system.It is simple in structure, it is ensured that good optical property.
Further, it is non-limiting as the specific embodiment of this programme, the focal length f3 of the 3rd lens 3, material refraction
Rate Nd3, material Abbe constant Vd3 meet：-20<f3/f<- 5,1.55<Nd3<1.75 15<Vd3<35, wherein, f is entire light
The focal length of system.It is simple in structure, it is ensured that good optical property.
Yet further, it is non-limiting as the specific embodiment of this programme, focal length f4, the material folding of the 4th lens 4
Penetrate rate Nd4, material Abbe constant Vd4 satisfaction：2<f4/f<10,1.75<Nd4<1.95 15<Vd4<40.It is simple in structure, it is ensured that
Good optical property.
Further, it is non-limiting as the specific embodiment of this programme, focal length f5, the material folding of the 5th lens 5
Penetrate rate Nd5, material Abbe constant Vd5 satisfaction：2<f5/f<10,1.45<Nd5<1.65 30<Vd5<70, wherein, f is entire light
The focal length of system.It is simple in structure, it is ensured that good optical property.
Further, it is non-limiting as the specific embodiment of this programme, focal length f6, the material folding of the 6th lens 6
Penetrate rate Nd6, material Abbe constant Vd6 satisfaction：1.5<f6/f<5,1.55<Nd6<1.75 40<Vd6<60, wherein, f is entire light
The focal length of system.It is simple in structure, it is ensured that good optical property.
Yet further, it is non-limiting as the specific embodiment of this programme, focal length f7, the material folding of the 7th lens 7
Penetrate rate Nd7, material Abbe constant Vd7 satisfaction：-5<f7/f<- 1.5,1.75<Nd7<1.95 15<Vd7<40, wherein, f is entire
The focal length of optical system.It is simple in structure, it is ensured that good optical property.
Further, it is non-limiting as the specific embodiment of this programme, the Refractive Index of Material Nd8 of the 8th lens 8,
Material Abbe constant Vd8 meets：1.45<Nd8<1.65 40<Vd8<60.It is simple in structure, it is ensured that good optical property.
Further, non-limiting as the specific embodiment of this programme, the 6th lens 6 and the 7th lens 7 are mutually
Gluing forms compound lens, and the focal length f67 of compound lens meets following condition：-500<f67<-10.It is simple and compact for structure, it can protect
Demonstrate,prove good optical property.
Specifically, the second lens 2, the 3rd lens 3 and the 8th lens 8 are plastic aspheric lens, can be effectively
Influence of the spherical aberration to lens performance is eliminated, the parsing power of optical lens is improved, athermal can be effectively realized, dropped simultaneously
The difficulty of processing and production cost of low camera lens.
More specifically, the diaphragm 9 of optical system is between the 4th lens 4 and the 5th lens 5.It is simple in structure, for adjusting
Save the intensity of light beam.Preferably, diaphragm 9 is arranged on the one side of the 4th lens 4, in the present embodiment, the position of each lens and diaphragm
It is fixed to put.
Further, it is non-limiting as the specific embodiment of this programme, band is equipped between the 8th lens 8 and image planes 10
Pass filter.It may filter that the infrared light in environment, red aeration phenomenon generated to avoid image.
Specifically, in the present embodiment, the focal length f of this optical system is 1.307mm, and stop index FNo. is 2.0, visual field
2 ω=200 ° of angle, the focal length f1=-13.780mm of the first lens 1, the focal length f2=-3.949mm of the second lens 2, the 3rd lens
3 focal length f3=-22.127mm, the focal length f4=9.274mm of the 4th lens 4, the focal length f5=6.184mm of the 5th lens 5, the
The focal length f6=3.600mm, the focal length f7=-3.072mm of the 7th lens 7, the focal length f8=of the 8th lens 8 of six lens 6
5.986mm.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, S1, S2 correspond to two surfaces of the first lens 1；S3, S4 are corresponded to
Two surfaces of the second lens 2；S5, S6 correspond to two surfaces of the 3rd lens 3；S7, S8 correspond to two of the 4th lens 4
Surface；S9 is diaphragm STO；S10, S11 correspond to two surfaces of the 5th lens 5；S12, S13 correspond to the two of the 6th lens 6
A surface；S13, S14 correspond to two surfaces of the 7th lens 7；S15, S16 correspond to two surfaces of the 8th lens 8；S17、
S18 corresponds to two surfaces of bandpass filter；IMA is image planes 10.
More specifically, the surface of second lens 2, the 3rd lens 3 and the 8th lens 8 is aspherical shape, expire
Sufficient below equation： Wherein, parameter
C=1/R is the curvature corresponding to radius, and y is radial coordinate, and unit is identical with length of lens unit, and k is secondary for circular cone
Curve coefficients, a1To a5Coefficient corresponding to respectively each radial coordinate.The S3 surfaces of second lens 2 and S4 surfaces, the 3rd
The aspherical correlation values on the S5 surfaces of lens 3 and the S15 surfaces and S16 surfaces of S6 surfaces and the 8th lens 8 such as following table institute
Show：
As can be seen that the optical system in the present embodiment has high-resolution and extraordinary athermal in from Fig. 2 to Fig. 6
Performance.
A kind of camera module including at least optical lens, is equipped with high pixel ultra-wide angle described above in optical lens
Optical system.
The utility model embodiment is mainly made of 8 pieces of lens, simple in structure；Be mutually combined using different lens and
Reasonable distribution focal power has the superperformances such as large aperture, big visual angle, high pixel and extraordinary athermal.
It is to combine one or more embodiments that particular content provides as described above, does not assert the tool of the utility model
Body implementation is confined to these explanations.All method, structures with the utility model etc. are approximate, identical or new for this practicality
Several technology deduction or replace are made under type concept thereof, should all be considered as the scope of protection of the utility model.
Claims (10)
1. high pixel ultra-wide angle optical system is equipped with successively along optical axis from object plane to image planes：First lens, the second lens, the 3rd
Lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th lens；It is characterized in that,
The object plane side of first lens is convex surface, and image planes side is concave surface, and focal power is negative；
The object plane side of second lens is convex surface, and image planes side is concave surface, and focal power is negative；
The object plane side of 3rd lens is concave surface, and focal power is negative；
The object plane side of 4th lens is convex surface, and focal power is just；
The object plane side of 5th lens is convex surface, and image planes side is convex surface, and focal power is just；
The object plane side of 6th lens is convex surface, and image planes side is convex surface, and focal power is just；
The object plane side of 7th lens is concave surface, and focal power is negative；
The object plane side of 8th lens is convex surface, and image planes side is convex surface, and focal power is just；
And this optical system meets TTL/EFL≤16.8, wherein, TTL be optical system the first lens object plane side vertex into
The distance between image planes, EFL are the effective focal length of optical system.
2. high pixel ultra-wide angle optical system according to claim 1, which is characterized in that each lens of the optical system are expired
The following condition of foot：
(1)-15<f1<-5；
(2)-5<f2<-2；
(3)-50<f3<-10；
(4)3<f4<15；
(5)3<f5<15；
(6)2<f6<8；
(7)-10<f7<-2；
(8)2<f8<15；
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 saturating for the 4th
The focal length of mirror, f5 are the focal length of the 5th lens, and f6 is the focal length of the 6th lens, and f7 is the focal length of the 7th lens, and f8 is saturating for the 8th
The focal length of mirror.
3. high pixel ultra-wide angle optical system according to claim 1, which is characterized in that each lens of the optical system are expired
The following condition of foot：
(1)-12<f1/f<-2；
(2)-5<f2/f<-2；
(3)-20<f3/f<-5；
(4)2<f4/f<10；
(5)2<f5/f<10；
(6)1.5<f6/f<5；
(7)-5<f7/f<-1.5；
(8)2<f8/f<10；
Wherein, f is the focal length of entire optical system, and f1 is the focal length of the first lens, and f2 is the focal length of the second lens, and f3 is the 3rd
The focal length of lens, f4 are the focal length of the 4th lens, and f5 is the focal length of the 5th lens, and f6 is the focal length of the 6th lens, and f7 is the 7th
The focal length of lens, f8 are the focal length of the 8th lens.
4. high pixel ultra-wide angle optical system according to claim 1, which is characterized in that focal length f1, the material of the first lens
Expect that refractive index Nd1, material Abbe constant Vd1 meet：-12<f1/f<- 2,1.72<Nd1<1.95 40<Vd1<60, wherein, f is
The focal length of entire optical system.
5. high pixel ultra-wide angle optical system according to claim 1, which is characterized in that focal length f2, the material of the second lens
Expect that refractive index Nd2, material Abbe constant Vd2 meet：-5<f2/f<- 2,1.45<Nd2<1.65 40<Vd2<60, wherein, f is whole
The focal length of a optical system.
6. high pixel ultra-wide angle optical system according to claim 1, which is characterized in that focal length f3, the material of the 3rd lens
Expect that refractive index Nd3, material Abbe constant Vd3 meet：-20<f3/f<- 5,1.55<Nd3<1.75 15<Vd3<35, wherein, f is
The focal length of entire optical system.
7. high pixel ultra-wide angle optical system according to claim 1, which is characterized in that focal length f4, the material of the 4th lens
Expect that refractive index Nd4, material Abbe constant Vd4 meet：2<f4/f<10,1.75<Nd4<1.95 15<Vd4<40.
8. high pixel ultra-wide angle optical system according to claim 1, which is characterized in that focal length f5, the material of the 5th lens
Expect that refractive index Nd5, material Abbe constant Vd5 meet：2<f5/f<10,1.45<Nd5<1.65 30<Vd5<70, wherein, f is whole
The focal length of a optical system.
9. high pixel ultra-wide angle optical system according to claim 1, which is characterized in that focal length f6, the material of the 6th lens
Expect that refractive index Nd6, material Abbe constant Vd6 meet：1.5<f6/f<5,1.55<Nd6<1.75 40<Vd6<60, wherein, f is whole
The focal length of a optical system.
10. camera module, including at least optical lens, which is characterized in that any one of claim 1-9 is equipped in optical lens
The high pixel ultra-wide angle optical system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721473387.8U CN207440375U (en) | 2017-11-08 | 2017-11-08 | High pixel ultra-wide angle optical system and its camera module of application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721473387.8U CN207440375U (en) | 2017-11-08 | 2017-11-08 | High pixel ultra-wide angle optical system and its camera module of application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207440375U true CN207440375U (en) | 2018-06-01 |
Family
ID=62291272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721473387.8U Active CN207440375U (en) | 2017-11-08 | 2017-11-08 | High pixel ultra-wide angle optical system and its camera module of application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207440375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107728293A (en) * | 2017-11-08 | 2018-02-23 | 广东弘景光电科技股份有限公司 | High pixel ultra-wide angle optical system |
-
2017
- 2017-11-08 CN CN201721473387.8U patent/CN207440375U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107728293A (en) * | 2017-11-08 | 2018-02-23 | 广东弘景光电科技股份有限公司 | High pixel ultra-wide angle optical system |
| CN107728293B (en) * | 2017-11-08 | 2023-10-27 | 广东弘景光电科技股份有限公司 | High-pixel ultra-wide angle optical system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105974561B (en) | Wide-angle camera | |
| US7768719B2 (en) | Super wide angle optical system | |
| US7830620B2 (en) | Imaging lens and imaging apparatus | |
| CN103837965B (en) | Optical image pickup lens system | |
| CN107728292A (en) | High pixel ultra wide-angle imaging module | |
| CN106772935B (en) | Lens system and fixed-focus lens | |
| CN109581634B (en) | High-pixel wide-angle day and night confocal optical system and camera module applying same | |
| CN202939355U (en) | Optical image capturing lens assembly | |
| CN108319004B (en) | High-pixel ultra-wide angle optical system and camera module applying same | |
| JP6711361B2 (en) | Imaging lens | |
| CN106443976B (en) | Large aperture high definition optical system and its camera lens of application | |
| CN108445608B (en) | High-pixel wide-angle infrared optical system and camera module applying same | |
| CN209400781U (en) | High-pixel wide-angle day and night confocal optical system and its camera module of application | |
| CN104977696A (en) | Photographing optical lens assembly, image capturing device and mobile terminal | |
| CN111045197A (en) | High-definition wide-angle day and night confocal optical system and camera module applying same | |
| US8570664B2 (en) | Zoom lens system | |
| CN106019540B (en) | High pixel ultra-wide angle optical system and its camera lens of application | |
| CN211878291U (en) | High-definition wide-angle day and night confocal optical system and camera module | |
| CN108761745A (en) | Wide-angle optics and its camera module of application | |
| CN105974562A (en) | Fisheye monitoring optical system and applied lens thereof | |
| CN107728293A (en) | High pixel ultra-wide angle optical system | |
| CN107193111A (en) | High pixel fish eye optical systems and its camera module of application | |
| CN101995646B (en) | Image-taking lens system | |
| CN207440375U (en) | High pixel ultra-wide angle optical system and its camera module of application | |
| CN109991719B (en) | High-definition wide-angle day and night confocal optical system and camera module applying same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |