CN207440378U - Minimize the camera module of fish eye optical systems and its application - Google Patents
Minimize the camera module of fish eye optical systems and its application Download PDFInfo
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- CN207440378U CN207440378U CN201721485633.1U CN201721485633U CN207440378U CN 207440378 U CN207440378 U CN 207440378U CN 201721485633 U CN201721485633 U CN 201721485633U CN 207440378 U CN207440378 U CN 207440378U
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Abstract
The utility model embodiment discloses a kind of miniaturization fish eye optical systems, is equipped with successively from object plane to image planes along optical axis：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens and the 6th 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 concave surface, and image planes side is concave surface, and focal power is negative；3rd lens, the object plane side of the 4th lens are convex surface, and image planes side is convex surface, and focal power is just；The object plane side of 5th lens is concave surface, and image planes side is convex surface, and focal power is negative；The object plane side of 6th lens is convex surface, and image planes side is convex surface, and focal power is just.The utility model embodiment additionally provides a kind of camera module.The utility model embodiment is mainly made of six pieces of lens, and lens piece number is few, simple in structure, volume miniaturization；It is mutually combined using different lens, there are big field angle, high pixel, low distortion and the optical properties such as aberration is small.
Description
Technical field：
It is especially a kind of to be suitable for panorama VR phases the utility model is related to a kind of optical system and its camera module of application
The camera module of machine and 360 ° of fish eye optical systems and its application without dead angle monitoring field.
Background technology：
It is existing to be suitable for panorama VR cameras and 360 ° of fish eye optical systems or camera module without dead angle monitoring field, generally
There are eyeglass piece number is more, it is complicated the defects of.
The content of the invention：
To overcome existing fish eye optical systems there are eyeglass piece number is more, it is complicated the problem of, the utility model embodiment
Provide a kind of miniaturization fish eye optical systems.
Fish eye optical systems are minimized, are equipped with successively from object plane to image planes along optical axis：First lens, the second lens, the 3rd
Lens, the 4th lens, the 5th lens and the 6th 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 concave surface, and image planes side is concave surface, and focal power is negative；
The object plane side of 3rd lens is convex surface, and image planes side is convex surface, and focal power is just；
The object plane side of 4th lens is convex surface, and image planes side is convex surface, and focal power is just；
The object plane side of 5th lens is concave surface, and image planes side is convex surface, and focal power is negative；
The object plane side of 6th lens is convex surface, and image planes side is convex surface, and focal power is just.
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 miniaturization fish eye optical system described above in optical lens
System.
The utility model embodiment is mainly made of six pieces of lens, and lens piece number is few, simple in structure, volume miniaturization；
It is mutually combined using different lens, there are big field angle, high pixel, low distortion and the optical properties such as aberration is small.
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 optical system of the utility model or the curvature of field, the distortion curve figure of camera module；
Fig. 3 is the optical system of the utility model or the chromaticity difference diagram of camera module；
Fig. 4 is the optical system of the utility model or the MTF curve figure 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, miniaturization fish eye optical systems, are equipped with successively along optical axis from object plane to image planes：First lens 1,
Two lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5 and the 6th lens 6.
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 concave surface, and image planes side is concave surface, and focal power is negative；
The object plane side of 3rd lens 3 is convex surface, and image planes side is convex surface, and focal power is just；
The object plane side of 4th lens 4 is convex surface, and image planes side is convex surface, and focal power is just；
The object plane side of 5th lens 5 is concave surface, and image planes side is convex surface, and focal power is negative；
The object plane side of 6th lens 6 is convex surface, and image planes side is convex surface, and focal power is just.
The utility model embodiment is mainly made of six pieces of lens, and lens piece number is few, simple in structure, volume miniaturization；
It is mutually combined using different lens, there are big field angle, high pixel, low distortion and the optical properties such as aberration is small.
Further, in the present embodiment, the 4th lens 4 and the mutually glued formation compound lens of the 5th lens 5, focal power
For just.It is simple in structure, it is ensured that good optical property.
Yet further, the combined focal length f45 of the preferred embodiment as the present embodiment, the 4th lens 4 and the 5th lens 5 expires
Foot：0.1<f/f45<0.25, wherein, f is the focal length of entire optical system.It is mutually combined using different lens, it is ensured that good
Optical property.
Further, non-limiting as the specific embodiment of this programme, each lens of the optical system meet such as
Lower condition：
(1)-0.59<f/f1<-0.25；
(2)-0.66<f/f2<-0.42；
(3)0.46<f/f3<0.7；
(4)0.1<f/f45<0.25；
(5)0.12<f/f6<0.27；
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, f45 is the combined focal length of the 4th lens 4 and the 5th lens 5, and f6 is the focal length of the 6th lens 6.It adopts
It is mutually combined with different lens, there are big field angle, high pixel, low distortion and the optical properties such as aberration is small.
Yet further, in the present embodiment, focal length f1, Refractive Index of Material Nd1, the material Abbe constant Vd1 of the first lens 1
Meet：-0.59<f/f1<- 0.25, Nd1 ＞ 1.80, Vd1 ＜ 50, wherein, f is the focal length of entire optical system.It is simple in structure,
It can ensure good optical property.
Further, the second lens 2 are made of light crown glass, focal length f2, Refractive Index of Material Nd2, material Abbe
Constant Vd2 meets：-0.66<f/f2<- 0.42, Nd2 ＜ 1.50, Vd2 ＞ 70, wherein, f is the focal length of entire optical system.Knot
Structure is simple, it is ensured that good optical property.
Further, the 3rd lens 3 are made of heavy-lanthanide flint glass, focal length f3, Refractive Index of Material Nd3, material
Abbe constant Vd3 meets：0.46<f/f3<0.7, Nd3 ＞ 1.90, Vd3 ＜ 36, wherein, f is the focal length of entire optical system.Knot
Structure is simple, it is ensured that good optical property.
Specifically, the combined focal length f45 of the 4th lens 4 and the 5th lens 5 meets：0.1<f/f45<0.25, the 4th lens
Refractive Index of Material Nd4, material Abbe constant Vd4 meet：Nd4 ＜ 1.70, Vd4 ＞ 55；The Refractive Index of Material of 5th lens
Nd5, material Abbe constant Vd5 meet：Nd5 ＞ 1.90, Vd5 ＜ 22；Wherein, f is the focal length of entire optical system.Structure letter
It is single, it is ensured that good optical property.
Further, the 6th lens 6 are made of heavy-lanthanide flint glass, focal length f6, Refractive Index of Material Nd6, material Ah
Shellfish constant Vd6 meets：0.12<f/f6<0.27, Nd6 ＞ 1.87, Vd6 ＜ 40, wherein, f is the focal length of entire optical system.Knot
Structure is simple, it is ensured that good optical property.
Yet further, the diaphragm STO of optical system is between the 3rd lens 3 and the 4th lens 4, close to the 3rd lens
Side.It is simple in structure, for adjusting the intensity of light beam.
Further, the first lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5, the 6th lens
6 be glass lens.
Specifically, in the present embodiment, the focal length f of this optical system is 1.08mm, and stop index FNo. is 2.0, visual field
2 ω=200 ° of angle, optics overall length TTL are 10mm.Every basic parameter of this optical system is as shown in the table：
| Surface | Radius of curvature R (mm) | Thickness D (mm) | Refractive index Nd | Dispersion values Vd |
| S1 | 8.02 | 0.54 | 1.804 | 46.57 |
| S2 | 1.81 | 2.05 | ||
| S3 | -2.93 | 0.57 | 1.487 | 70.42 |
| S4 | 1.44 | 0.36 | ||
| S5 | 2.13 | 1.15 | 1.911 | 35.25 |
| S6 | -5.39 | 0.02 | ||
| STO | It is infinitely great | 0.54 | ||
| S8 | 20.83 | 1.1 | 1.6968 | 55.53 |
| S9 | -0.98 | 0.38 | 1.922 | 20.88 |
| S10 | -2.66 | 0.25 | ||
| S11 | 10.32 | 0.92 | 1.883 | 39.22 |
| S12 | -7.72 | 0.1 | ||
| S13 | It is infinitely great | 0.70 | 1.51680 | 64.20 |
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；STO corresponds to optical system aperture diaphragm 7
Position；S8, S9 correspond to two surfaces of the 4th lens 4；S9, S10 correspond to two surfaces of the 5th lens 5；S11,
S12 corresponds to two surfaces of the 6th lens 6；S13 corresponds to Sensor imaging surfaces 8.
As can be seen that the optical system in the present embodiment has high pixel, low distortion and the aberration small etc. in from Fig. 2 to Fig. 4
Good optical property.
A kind of camera module including at least optical lens, is equipped with miniaturization flake light described above in optical lens
System.
The utility model embodiment is mainly made of six pieces of lens, and lens piece number is few, simple in structure, volume miniaturization；
It is mutually combined using different lens, there are big field angle, high pixel, low distortion and the optical properties such as aberration is small.
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. minimizing fish eye optical systems, it is equipped with successively from object plane to image planes along optical axis：First lens, the second lens, the 3rd are thoroughly
Mirror, the 4th lens, the 5th lens and the 6th 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 concave surface, and image planes side is concave surface, and focal power is negative；
The object plane side of 3rd lens is convex surface, and image planes side is convex surface, and focal power is just；
The object plane side of 4th lens is convex surface, and image planes side is convex surface, and focal power is just；
The object plane side of 5th lens is concave surface, and image planes side is convex surface, and focal power is negative；
The object plane side of 6th lens is convex surface, and image planes side is convex surface, and focal power is just.
2. miniaturization fish eye optical systems according to claim 1, which is characterized in that the 4th lens and the 5th lens are mutual
Gluing forms compound lens, and focal power is just.
3. miniaturization fish eye optical systems according to claim 2, which is characterized in that the group of the 4th lens and the 5th lens
Complex focus f45 meets：0.1<f/f45<0.25, wherein, f is the focal length of entire optical system.
4. miniaturization fish eye optical systems according to claim 1, which is characterized in that each lens of the optical system meet
Following condition：
(1)-0.59<f/f1<-0.25；
(2)-0.66<f/f2<-0.42；
(3)0.46<f/f3<0.7；
(4)0.1<f/f45<0.25；
(5)0.12<f/f6<0.27；
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, f45 are the combined focal length of the 4th lens and the 5th lens, and f6 is the focal length of the 6th lens.
5. miniaturization fish eye optical systems according to claim 1, which is characterized in that focal length f1, the material of the first lens
Refractive index Nd1, material Abbe constant Vd1 meet：-0.59<f/f1<- 0.25, Nd1 ＞ 1.80, Vd1 ＜ 50, wherein, f is entire
The focal length of optical system.
6. miniaturization fish eye optical systems according to claim 1, which is characterized in that focal length f2, the material of the second lens
Refractive index Nd2, material Abbe constant Vd2 meet：-0.66<f/f2<- 0.42, Nd2 ＜ 1.50, Vd2 ＞ 70, wherein, f is entire
The focal length of optical system.
7. miniaturization fish eye optical systems according to claim 1, which is characterized in that focal length f3, the material of the 3rd lens
Refractive index Nd3, material Abbe constant Vd3 meet：0.46<f/f3<0.7, Nd3 ＞ 1.90, Vd3 ＜ 36, wherein, f is entire light
The focal length of system.
8. miniaturization fish eye optical systems according to claim 1, which is characterized in that the group of the 4th lens and the 5th lens
Complex focus f45 meets：0.1<f/f45<0.25, Refractive Index of Material Nd4, the material Abbe constant Vd4 of the 4th lens meet：Nd4
＜ 1.70, Vd4 ＞ 55；Refractive Index of Material Nd5, the material Abbe constant Vd5 of 5th lens meet：Nd5 ＞ 1.90, Vd5 ＜ 22；
Wherein, f is the focal length of entire optical system.
9. miniaturization fish eye optical systems according to claim 1, which is characterized in that focal length f6, the material of the 6th lens
Refractive index Nd6, material Abbe constant Vd6 meet：0.12<f/f6<0.27, Nd6 ＞ 1.87, Vd6 ＜ 40, wherein, f is entire light
The focal length of 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 miniaturization fish eye optical systems.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721485633.1U CN207440378U (en) | 2017-11-08 | 2017-11-08 | Minimize the camera module of fish eye optical systems and its application |
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| CN201721485633.1U CN207440378U (en) | 2017-11-08 | 2017-11-08 | Minimize the camera module of fish eye optical systems and its application |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116516A (en) * | 2018-09-28 | 2019-01-01 | 广东弘景光电科技股份有限公司 | Large aperture optical system and its camera module of application |
| CN110646919A (en) * | 2019-08-22 | 2020-01-03 | 江西联创电子有限公司 | Fisheye lens |
-
2017
- 2017-11-08 CN CN201721485633.1U patent/CN207440378U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116516A (en) * | 2018-09-28 | 2019-01-01 | 广东弘景光电科技股份有限公司 | Large aperture optical system and its camera module of application |
| CN110646919A (en) * | 2019-08-22 | 2020-01-03 | 江西联创电子有限公司 | Fisheye lens |
| CN110646919B (en) * | 2019-08-22 | 2021-06-25 | 江西联创电子有限公司 | Fisheye lens |
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