CN106443971B - Optical system applied to panoramic double-camera module and lens applied to optical system - Google Patents
Optical system applied to panoramic double-camera module and lens applied to optical system Download PDFInfo
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- CN106443971B CN106443971B CN201610893522.8A CN201610893522A CN106443971B CN 106443971 B CN106443971 B CN 106443971B CN 201610893522 A CN201610893522 A CN 201610893522A CN 106443971 B CN106443971 B CN 106443971B
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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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- Optics & Photonics (AREA)
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Abstract
The embodiment of the invention discloses an optical system applied to a panoramic double-camera module, which at least comprises the following components in sequence from an object plane to an image plane along an optical axis: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. On the other hand, the embodiment of the invention also provides a lens. The embodiment of the invention is applied to a panoramic double-shot module of a panoramic camera or a monitoring system, and mainly comprises 7 lenses, the number of the lenses is small, the structure is simple, and the volume is small; different lenses are combined with each other, so that the optical lens has good optical properties such as ultra-wide angle, high pixel, day and night confocal property and the like.
Description
Technical field:
The present invention relates to a kind of optical system and its camera lenses of application, especially a kind of to be applied to panorama camera or monitoring system
The panorama of system is double to take the photograph the optical system in mould group and its camera lens of application.
Background technique:
Existing optical system or camera lens are particularly applied to the double light taken the photograph in mould group of panorama of panorama camera or monitoring system
System or camera lens, have that structure is complicated, the biggish defect of volume.
Summary of the invention:
To overcome the problems, such as existing optical system or camera lens presence, structure is complicated, volume is larger, one side of the embodiment of the present invention
Face provides a kind of applied to the double optical systems taken the photograph in mould group of panorama.
It successively include: the first lens, the from object plane to image planes along optical axis applied to the double optical systems taken the photograph in mould group of panorama
Two lens, the third 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 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 the third lens is concave surface, and image planes side is convex surface, and focal power is negative；
The object plane side of 4th lens is convex surface, and image planes side is convex surface, and focal power is positive；
The object plane side of 5th lens is convex surface, and image planes side is convex surface, and focal power is positive；
The object plane side of 6th lens is concave surface, and image planes side is convex surface, and focal power is negative；
The object plane side of 7th lens is convex surface, and image planes side is convex surface, and focal power is positive.
On the other hand, the embodiment of the invention also provides a kind of camera lenses.
A kind of camera lens is equipped in camera lens and described above is applied to the double optical systems taken the photograph in mould group of panorama.
The embodiment of the present invention is taken the photograph in mould group applied to panorama camera or the panorama of monitoring system pair, mainly by 7 pieces of lens
It constitutes, lens piece number is few, and structure is simple, small volume；Using different lens be combined with each other, have ultra-wide angle, high pixel and
The day and night favorable optical performances such as confocal.
Detailed description of the invention:
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram of optical system or camera lens of the invention；
Fig. 2 is the field curvature, distortion curve figure of optical system or camera lens of the invention；
Fig. 3 is the chromaticity difference diagram of optical system or camera lens of the invention；
Fig. 4 is the MTF curve figure of optical system or camera lens of the invention under visible light；
Fig. 5 is the MTF curve figure of optical system or camera lens of the invention under infrared light；
Fig. 6 is the relative illumination figure of optical system or camera lens of the invention.
Specific embodiment:
In order to which the technical problems, technical solutions and beneficial effects solved by the present invention is more clearly understood, below in conjunction with
Accompanying drawings and embodiments, 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 systems taken the photograph in mould group of panorama, 19 successively wrapped from object plane to image planes along optical axis
It includes: the first lens 11, the second lens 12, the third 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 concave surface, and focal power is negative；
The object plane side of second lens 12 is convex surface, and image planes side is concave surface, and focal power is negative；
The object plane side of the third lens 13 is concave surface, and image planes side is convex surface, and focal power is negative；
The object plane side of 4th lens 14 is convex surface, and image planes side is convex surface, and focal power is positive；
The object plane side of 5th lens 15 is convex surface, and image planes side is convex surface, and focal power is positive；
The object plane side of 6th lens 16 is concave surface, and image planes side is convex surface, and focal power is negative；
The object plane side of 7th lens 17 is convex surface, and image planes side is convex surface, and focal power is positive.
The embodiment of the present invention is taken the photograph in mould group applied to panorama camera or the panorama of monitoring system pair, mainly by 7 pieces of lens
It constitutes, lens piece number is few, and structure is simple, small volume；Using different lens be combined with each other, have ultra-wide angle, high pixel and
The day and night favorable optical performances such as confocal.
Further, the 5th lens 15 and the mutually glued formation compound lens of the 6th lens 16, a combination thereof focal length f56 are full
Foot: 0.13 < f/f56 < 0.18, f are the focal length of entire optical system.It is simple and compact for structure, it is ensured that good optical property.
Still 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 require: -0.23 < f/f1 < -0.10, f is the focal length of entire optical system.Structure is simple,
It can guarantee good optical property.
Further, the focal length f2 of the second lens 12 meets following require: -0.52 < f/f2 < -0.26, f is entire light
The focal length of system.Structure is simple, it is ensured that good optical property.
Further, the third lens 13 are made of heavy-lanthanide flint glass material, Refractive Index of Material Nd3, material Ah
Shellfish constant Vd3 meets: Nd3 > 1.91, Vd3 < 39；Its focal length f3 meets following require: -0.04 < f/f3 < -0.018, f is whole
The focal length of a optical system.Structure is simple, it is ensured that good optical property.
Still further, the 4th lens 14 are made of heavy-lanthanide flint glass material, focal length f4 meets following require:
0.12 < f/f4 < 0.24, f are the focal length of entire optical system.Structure is simple, it is ensured that good optical property.
Further, the 6th lens 16 are made of lanthanum flint glass material, Refractive Index of Material Nd6, material Abbe
Constant Vd6 meets: Nd6 > 1.92, Vd6 < 20.Structure is simple, it is ensured that good optical property.
Further, the focal length f7 of the 7th lens 17 meets following require: 0.10 < f/f7 < 0.25, f are entire optics
The focal length of system.Structure is simple, it is ensured that good optical property.
Specifically, the combined focal length f I of 11 to the 4th lens 14 of the first lens meets: 0.105 < f/f I < 0.187, and the 5th thoroughly
The combined focal length f II of 15 to the 7th lens 17 of mirror meets: 0.254 < f/f II < 0.329, f are the focal length of entire optical system.Knot
Structure is simple, it is ensured that good optical property.
Further, the diaphragm 18 of optical system is between the 4th lens 14 and the 5th lens 15, close to the 5th lens
15 sides.Structure is simple, 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 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 focal length of the third lens, f4 are 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 are 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.Structure is simple, is combined with each other using different lens, has ultra-wide angle, high pixel and day and night good opticals such as confocal
Energy.
Still 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 field angle.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 third lens 13；S7, S8 correspond to the 4th lens 14
Two surfaces；STO, S10 correspond to two positions where 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 in from Fig. 2 to Fig. 6
The favorable optical performances such as coke.
A kind of camera lens is equipped in camera lens and described above is applied to the double optical systems taken the photograph in mould group of panorama.
It is the one or more embodiments provided in conjunction with particular content as described above, does not assert specific reality of the invention
It applies and is only limited to these instructions.It is all approximate with method of the invention, structure etc., identical, or for present inventive concept under the premise of
Several technology deduction or replace are made, all should be considered as protection scope of the present invention.
Claims (9)
- It successively include: the first lens, second from object plane to image planes along optical axis 1. being applied to the double optical systems taken the photograph in mould group of panorama Lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th 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 the third lens is concave surface, and image planes side is convex surface, and focal power is negative；The object plane side of 4th lens is convex surface, and image planes side is convex surface, and focal power is positive；The object plane side of 5th lens is convex surface, and image planes side is convex surface, and focal power is positive；The object plane side of 6th lens is concave surface, and image planes side is convex surface, and focal power is negative；The object plane side of 7th lens is convex surface, and image planes side is convex surface, and focal power is positive；5th lens and the mutually glued formation compound lens of the 6th lens, a combination thereof focal length f56 meet: 0.13 < f/f56 < 0.18, F is the focal length of entire optical system.
- 2. according to claim 1 applied to the double optical systems taken the photograph in mould group of panorama, which is characterized in that the first lens are extremely The combined focal length f I of 4th lens meets: 0.105 < f/f I < 0.187, and the combined focal length f II of the 5th lens to the 7th lens is full Foot: 0.254 < f/f II < 0.329, f are the focal length of entire optical system.
- 3. according to claim 1 applied to the double optical systems taken the photograph in mould group of panorama, which is characterized 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 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 third The focal length of lens, f4 are 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 be the first lens to the 4th lens combined focal length, f II be the 5th lens to the 7th lens combined focal length.
- 4. according to claim 1 applied to the double optical systems taken the photograph in mould group of panorama, which is characterized 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 require :- 0.23 < f/f1 < -0.10, f is the focal length of entire optical system.
- 5. according to claim 1 applied to the double optical systems taken the photograph in mould group of panorama, which is characterized in that the second lens Focal length f2 meets following require: -0.52 < f/f2 < -0.26, f is the focal length of entire optical system.
- 6. according to claim 1 applied to the double optical systems taken the photograph in mould group of panorama, which is characterized in that the third lens Refractive Index of Material Nd3, material Abbe constant Vd3 meet: Nd3 > 1.91, Vd3 < 39；Its focal length f3 meets following require :- 0.04 < f/f3 < -0.018, f is the focal length of entire optical system.
- 7. according to claim 1 applied to the double optical systems taken the photograph in mould group of panorama, which is characterized in that the 4th lens Focal length f4 meets following require: 0.12 < f/f4 < 0.24, f are the focal length of entire optical system.
- 8. according to claim 1 applied to the double optical systems taken the photograph in mould group of panorama, which is characterized in that optical system Diaphragm is between the 4th lens and the 5th lens, close to the 5th lens side.
- 9. a kind of camera lens, which is characterized in that be equipped with the described in any item panoramas pair that are applied to of claim 1-8 in camera lens and take the photograph mould Optical system in group.
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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 | Optical system applied to panoramic double-camera module and lens applied to optical system |
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| CN201610893522.8A CN106443971B (en) | 2016-10-13 | 2016-10-13 | Optical system applied to panoramic double-camera module and lens applied to optical system |
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| CN106443971B true CN106443971B (en) | 2019-01-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107193111B (en) * | 2017-07-24 | 2023-03-31 | 广东弘景光电科技股份有限公司 | High-pixel fisheye optical system and camera module applying same |
| KR102089388B1 (en) * | 2018-07-19 | 2020-03-17 | 에이오스 주식회사 | Wide angle optical imaging system |
| TWI679447B (en) * | 2019-01-28 | 2019-12-11 | 大陸商信泰光學（深圳）有限公司 | Lens assembly |
| CN113703135B (en) * | 2021-09-02 | 2024-06-21 | 广东弘景光电科技股份有限公司 | High-pixel large-target-surface large-aperture wide-angle front-view optical system and camera module applied by same |
| CN114047612B (en) * | 2021-11-03 | 2023-05-02 | 福建福光股份有限公司 | Large-aperture ultra-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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