CN106443971A - Optical system applied to panoramic double-photographing module and camera lens used for optical system - Google Patents
Optical system applied to panoramic double-photographing module and camera lens used for optical system Download PDFInfo
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- CN106443971A CN106443971A CN201610893522.8A CN201610893522A CN106443971A CN 106443971 A CN106443971 A CN 106443971A CN 201610893522 A CN201610893522 A CN 201610893522A CN 106443971 A CN106443971 A CN 106443971A
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- panorama
- convex surface
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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
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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
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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Abstract
The embodiment of the invention discloses an optical system applied to a panoramic double-photographing module. The optical system sequentially at least comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens along an optical axis from an object plane to an image plane. Furthermore, the embodiment of the invention further provides a camera lens. The optical system provided by the embodiment of the invention is applied to the panoramic double-photographing module of a panoramic camera or a monitoring system; the optical system is mainly composed of 7 lenses; the quantity of the lenses is less, the structure is simple and the size is relatively small; different lenses are combined with one another, so that the optical system has good optical performances including super wide angles, high pixels and day and night confocal property and the like.
Description
Technical field：
The present invention relates to the camera lens of a kind of optical system and its application, especially one kind are applied to panorama camera or monitoring system
The double optical systems that takes the photograph in module of the panorama of system and its camera lens of application.
Background technology：
Existing optical system or camera lens, are particularly applied to the double light that takes the photograph in module of panorama of panorama camera or monitoring system
, there is the larger defect of complex structure, volume in system or camera lens.
Content of the invention：
For overcoming existing optical system or camera lens to there is a problem of that complex structure, volume are larger, one side of the embodiment of the present invention
Face is applied to the double optical systems that takes the photograph in module of panorama there is provided a kind of.
The double optical systems that takes the photograph in module of panorama are applied to, are included from object plane to image planes successively along optical axis：First lens,
Two lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens；
The object plane side of first lens is convex surface, and image planes side is that concave surface, its focal power is negative；
The object plane side of second lens is convex surface, and image planes side is that concave surface, its focal power is negative；
The object plane side of the 3rd lens is concave surface, and image planes side is that convex surface, its focal power is negative；
The object plane side of the 4th lens is convex surface, and image planes side is convex surface, its focal power for just；
The object plane side of the 5th lens is convex surface, and image planes side is convex surface, its focal power for just；
The object plane side of the 6th lens is concave surface, and image planes side is that convex surface, its focal power is negative；
The object plane side of the 7th lens is convex surface, and image planes side is convex surface, its focal power for just.
On the other hand, the embodiment of the present invention additionally provides a kind of camera lens.
A kind of camera lens, is provided with camera lens and described above is applied to the double optical systems that takes the photograph in module of panorama.
The embodiment of the present invention, the panorama pair for being applied to panorama camera or monitoring system is taken the photograph in module, and which is mainly by 7 pieces of lens
Constitute, lens piece number is few, simple structure, small volume；Be mutually combined using different lens, with ultra-wide angle, high pixel and
The day and night favorable optical performance such as confocal.
Description of the drawings：
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to making needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the optical system of the present invention or the structural representation of camera lens；
Fig. 2 is the optical system of the present invention or the curvature of field, the distortion curve figure of camera lens；
Fig. 3 is the optical system of the present invention or the chromaticity difference diagram of camera lens；
Fig. 4 is the optical system or camera lens MTF curve figure under visible light of the present invention；
Fig. 5 is the MTF curve figure of the optical system or camera lens of the present invention under infrared light；
Fig. 6 is the optical system of the present invention or the relative illumination figure of camera lens.
Specific embodiment：
In order that technical problem solved by the invention, technical scheme and beneficial effect become more apparent, below in conjunction with
Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
As shown in figure 1, be applied to the double optical system that takes the photograph in module of panorama, 19 wrap successively from object plane to image planes along optical axis
Include：First lens 11, the second lens 12, the 3rd lens 13, the 4th lens 14, the 5th lens 15, the 6th lens 16 and the 7th
Lens 17.
The object plane side of first lens 11 is convex surface, and image planes side is that concave surface, its focal power is negative；
The object plane side of second lens 12 is convex surface, and image planes side is that concave surface, its focal power is negative；
The object plane side of the 3rd lens 13 is concave surface, and image planes side is that convex surface, its focal power is negative；
The object plane side of the 4th lens 14 is convex surface, and image planes side is convex surface, its focal power for just；
The object plane side of the 5th lens 15 is convex surface, and image planes side is convex surface, its focal power for just；
The object plane side of the 6th lens 16 is concave surface, and image planes side is that convex surface, its focal power is negative；
The object plane side of the 7th lens 17 is convex surface, and image planes side is convex surface, its focal power for just.
The embodiment of the present invention, the panorama pair for being applied to panorama camera or monitoring system is taken the photograph in module, and which is mainly by 7 pieces of lens
Constitute, lens piece number is few, simple structure, small volume；Be mutually combined using different lens, with ultra-wide angle, high pixel and
The day and night favorable optical performance such as confocal.
Further, the 5th lens 15 and 16 mutual glued formation compound lens of the 6th lens, its combined focal length f56 is full
Foot：0.13<f/f56<0.18, f is the focal length of whole optical system.Simple and compact for structure, it is ensured that good optical property.
Yet further, the Refractive Index of Material Nd1 of the first lens 11, material Abbe constant Vd1 meet：Nd1 ＜ 1.78,
Vd1 ＞ 49；Its focal length f1 meets following requirement：-0.23<f/f1<- 0.10, f are the focal length of whole optical system.Simple structure,
Good optical property can be ensured.
Further, the focal length f2 of the second lens 12 meets following requirement：-0.52<f/f2<- 0.26, f are whole light
The focal length of system.Simple structure, it is ensured that good optical property.
Further, the 3rd lens 13 are made using heavy-lanthanide flint glass material, its Refractive Index of Material Nd3, material Ah
Shellfish constant Vd3 meets：Nd2 ＞ 1.91, Vd2 ＜ 39；Its focal length f3 meets following requirement：-0.04<f/f3<- 0.018, f are whole
The focal length of individual optical system.Simple structure, it is ensured that good optical property.
Yet further, the 4th lens 14 are made using heavy-lanthanide flint glass material, and its focal length f4 meets following requirement：
0.12<f/f4<0.24, f is the focal length of whole optical system.Simple structure, it is ensured that good optical property.
Further, the 6th lens 16 are made using lanthanum flint glass material, its Refractive Index of Material Nd6, material Abbe
Constant Vd6 meets：Nd6 ＞ 1.92, Vd6 ＜ 20.Simple structure, it is ensured that good optical property.
Further, the focal length f7 of the 7th lens 17 meets following requirement：0.10<f/f7<0.25, f is whole optics
The focal length of system.Simple structure, it is ensured that good optical property.
Specifically, combined focal length f I of 11 to the 4th lens 14 of the first lens meets：0.105<f/fⅠ<0.187, the 5th is saturating
Combined focal length f II of 15 to the 7th lens 17 of mirror meets：0.254<f/fⅡ<0.329, f is the focal length of whole optical system.Knot
Structure is simple, it is ensured that good optical property.
Further, the diaphragm 18 of optical system is Wei Yu the 4th lens 14 and the 5th lens 15 between, near the 5th lens
15 sides.Simple structure, for adjusting the intensity of light beam.
More specifically, each lens of the optical system meet following condition：
(1)-0.23<f/f1<-0.10；
(2)-0.52<f/f2<-0.26；
(3)-0.04<f/f3<-0.018；
(4)0.12<f/f4<0.24；
(5)0.13<f/f56<0.18；
(6)0.10<f/f7<0.25；
(7)0.105<f/fⅠ<0.187；
(8)0.254<f/fⅡ<0.329；
Wherein, f is the focal length of whole 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 focal length of the 3rd lens, f4 is the focal length of the 4th lens, and f56 is the combined focal length of the 5th lens and the 6th lens, and f7 is the 7th
The focal length of lens, f I is the combined focal length of the first lens to the 4th lens, and f II is the group focus of the 5th lens to the 7th lens
Away from.Simple structure, is mutually combined using different lens, with ultra-wide angle, high pixel and the day and night good optical such as confocal
Energy.
Yet further, 11 to the 7th lens 17 of the first lens are glass lens, it is ensured that good optical property.
Specifically, in the present embodiment, the focal length f of this optical system is 0.94mm, and stop index FNo. is 2.0, optics
Overall length TTL is 14.84mm, 2 ω=210 ° of the angle of visual field.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 11；S3, S4 are corresponded to
Two surfaces of the second lens 12；S5, S6 correspond to two surfaces of the 3rd lens 13；S7, S8 correspond to the 4th lens 14
Two surfaces；STO, S10 correspond to two positions at the place of diaphragm 18；S11, S12 correspond to two surfaces of the 5th lens 15；
S12, S13 correspond to two surfaces of the 6th lens 16；S14, S15 correspond to two surfaces of the 7th lens 17；S16, S17 are
Two surfaces of the optical filter between the 7th lens 17 and image planes 19.
As can be seen that the optical system in the present embodiment has ultra-wide angle, high pixel and is day and night total to from Fig. 2 to Fig. 6
The favorable optical performance such as Jiao.
A kind of camera lens, is provided with camera lens and described above is applied to the double optical systems that takes the photograph in module of panorama.
One or more embodiment for providing with reference to particular content is provided, does not assert the concrete reality of the present invention
Apply and be confined to these explanations.All approximate with the method for the present invention, structure etc., identical, or for present inventive concept under the premise of
Some technology deduction or replace are made, should all be considered as protection scope of the present invention.
Claims (10)
1. the double optical systems that takes the photograph in module of panorama are applied to, are included from object plane to image planes successively along optical axis：First lens, second
Lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens；Characterized in that,
The object plane side of first lens is convex surface, and image planes side is that concave surface, its focal power is negative；
The object plane side of second lens is convex surface, and image planes side is that concave surface, its focal power is negative；
The object plane side of the 3rd lens is concave surface, and image planes side is that convex surface, its focal power is negative；
The object plane side of the 4th lens is convex surface, and image planes side is convex surface, its focal power for just；
The object plane side of the 5th lens is convex surface, and image planes side is convex surface, its focal power for just；
The object plane side of the 6th lens is concave surface, and image planes side is that convex surface, its focal power is negative；
The object plane side of the 7th lens is convex surface, and image planes side is convex surface, its focal power for just.
2. according to claim 1 be applied to the double optical system that takes the photograph in module of panorama, it is characterised in that the 5th lens and
6th lens are mutually glued to form compound lens, and its combined focal length f56 meets：0.13<f/f56<0.18, f is whole optical system
The focal length of system.
3. according to claim 1 the double optical system that takes the photograph in module of panorama is applied to, it is characterised in that the first lens are extremely
Combined focal length f I of the 4th lens meets：0.105<f/fⅠ<0.187, combined focal length f II of the 5th lens to the 7th lens is full
Foot：0.254<f/fⅡ<0.329, f is the focal length of whole optical system.
4. according to claim 1 the double optical system that takes the photograph in module of panorama is applied to, it is characterised in that the optical system
Each lens meet following condition：
(1)-0.23<f/f1<-0.10；
(2)-0.52<f/f2<-0.26；
(3)-0.04<f/f3<-0.018；
(4)0.12<f/f4<0.24；
(5)0.13<f/f56<0.18；
(6)0.10<f/f7<0.25；
(7)0.105<f/fⅠ<0.187；
(8)0.254<f/fⅡ<0.329；
Wherein, f is the focal length of whole 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 is the focal length of the 4th lens, and f56 is the combined focal length of the 5th lens and the 6th lens, and f7 is the 7th lens
Focal length, f I for the first lens to the 4th lens combined focal length, f II for the 5th lens to the 7th lens combined focal length.
5. according to claim 1 the double optical system that takes the photograph in module of panorama is applied to, it is characterised in that the first lens
Refractive Index of Material Nd1, material Abbe constant Vd1 meet：Nd1 ＜ 1.78, Vd1 ＞ 49；Its focal length f1 meets following requirement：-
0.23<f/f1<- 0.10, f are the focal length of whole optical system.
6. according to claim 1 the double optical system that takes the photograph in module of panorama is applied to, it is characterised in that the second lens
Focal length f2 meets following requirement：-0.52<f/f2<- 0.26, f are the focal length of whole optical system.
7. according to claim 1 the double optical system that takes the photograph in module of panorama is applied to, it is characterised in that the 3rd lens
Refractive Index of Material Nd3, material Abbe constant Vd3 meet：Nd2 ＞ 1.91, Vd2 ＜ 39；Its focal length f3 meets following requirement：-
0.04<f/f3<- 0.018, f are the focal length of whole optical system.
8. according to claim 1 the double optical system that takes the photograph in module of panorama is applied to, it is characterised in that the 4th lens
Focal length f4 meets following requirement：0.12<f/f4<0.24, f is the focal length of whole optical system.
9. according to claim 1 the double optical system that takes the photograph in module of panorama is applied to, it is characterised in that optical system
Diaphragm Wei Yu the 4th lens and the 5th lens between, near the 5th lens side.
10. a kind of camera lens, it is characterised in that be provided with being applied to described in any one of claim 1-9 in camera lens panorama is double and take the photograph
Optical system in module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610893522.8A CN106443971B (en) | 2016-10-13 | 2016-10-13 | The optical system in mould group and its camera lens of application are taken the photograph applied to panorama pair |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610893522.8A CN106443971B (en) | 2016-10-13 | 2016-10-13 | The optical system in mould group and its camera lens of application are taken the photograph applied to panorama pair |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107193111A (en) * | 2017-07-24 | 2017-09-22 | 广东弘景光电科技股份有限公司 | High pixel fish eye optical systems and its camera module of application |
| TWI679447B (en) * | 2019-01-28 | 2019-12-11 | 大陸商信泰光學（深圳）有限公司 | Lens assembly |
| KR20200009692A (en) * | 2018-07-19 | 2020-01-30 | 에이오스 주식회사 | Wide angle optical imaging system |
| CN113703135A (en) * | 2021-09-02 | 2021-11-26 | 广东弘景光电科技股份有限公司 | High-pixel large-target-surface large-aperture wide-angle forward-looking optical system and camera module applying same |
| CN114047612A (en) * | 2021-11-03 | 2022-02-15 | 福建福光股份有限公司 | Large-aperture super-wide-angle optical lens and imaging method thereof |
| TWI792749B (en) * | 2021-12-08 | 2023-02-11 | 紘立光電股份有限公司 | Optical imaging lens, imaging device, and electronic device |
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| CN114047612A (en) * | 2021-11-03 | 2022-02-15 | 福建福光股份有限公司 | Large-aperture super-wide-angle optical lens and imaging method thereof |
| TWI792749B (en) * | 2021-12-08 | 2023-02-11 | 紘立光電股份有限公司 | Optical imaging lens, imaging device, and electronic device |
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