CN106990507A - High definition wide-angle optics and its camera module of application - Google Patents
High definition wide-angle optics and its camera module of application Download PDFInfo
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- CN106990507A CN106990507A CN201710371784.2A CN201710371784A CN106990507A CN 106990507 A CN106990507 A CN 106990507A CN 201710371784 A CN201710371784 A CN 201710371784A CN 106990507 A CN106990507 A CN 106990507A
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- lens
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- high definition
- object plane
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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
- G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
- G02B13/006—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element at least one element being a compound optical element, e.g. cemented elements
-
- 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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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B30/00—Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
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- Optics & Photonics (AREA)
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Abstract
The embodiment of the invention discloses a kind of high definition wide-angle optics, it is sequentially provided with along optical axis from object plane to image planes：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens and the 6th lens；Wherein, the 5th lens and the 6th lens are mutually glued forms compound lens, and meets TTL/EFL≤7.5, wherein TTL for optical system the first lens object plane side summit the distance between to imaging surface, EFL is the effective focal length of optical system.On the other hand, the embodiment of the present invention additionally provides a kind of camera module.The embodiment of the present invention, it is mainly made up of six pieces of lens, and lens piece number is few, simple in construction；Being mutually combined using different lens makes focal power distribution reasonable, and the 5th lens and the 6th lens are balsaming lens, the present invention is had the optical properties such as large aperture, high pixel, low distortion and good athermal.
Description
Technical field：
The present invention relates to a kind of optical system and its camera module of application, especially a kind of height being made up of six pieces of eyeglasses
Clear wide-angle optics and its vehicle-mounted pick-up module of application.
Background technology：
With the application and popularization of automobile safety driving system, vehicle-mounted pick-up module has also obtained commonly used.And apply
In the camera module requirement of in-car security monitoring adapt under daytime and night environment can blur-free imaging, therefore camera module needs
Consider day and night infrared confocal；Meanwhile, in order to which the details for meeting passenger inside the vehicle is recognized, therefore camera module need to possess higher clear
Clear degree.Above-mentioned requirements generally existing eyeglass is excessive, baroque defect to meet for existing optical system or camera module.
The content of the invention：
For overcome existing optical system or camera module exist eyeglass it is excessive, it is complicated the problem of, the embodiment of the present invention
On the one hand a kind of high definition wide-angle optics is provided.
High definition wide-angle optics, is sequentially provided with along optical axis from object plane to image planes：It is first lens, the second lens, the 3rd saturating
Mirror, 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 its focal power is negative；
The object plane side of second lens is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of 3rd lens is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of 4th lens is convex surface, and image planes side is convex surface, and its focal power is just；
The object plane side of 5th lens is convex surface, and image planes side is convex surface, and its focal power is just；
The object plane side of 6th lens is concave surface, and image planes side is convex surface, and its focal power is negative；
Wherein, the 5th lens and the 6th lens are mutually glued forms compound lens, and meets TTL/EFL≤7.5, wherein
TTL for optical system the first lens object plane side summit the distance between to imaging surface, EFL is the effective focal length of optical system.
On the other hand, the embodiment of the present invention additionally provides a kind of camera module.
Camera module, at least including optical lens, is provided with high definition wide-angle optics described above in optical lens.
The embodiment of the present invention, it is mainly made up of six pieces of lens, and lens piece number is few, simple in construction；Using different lens phases
Mutually combination makes focal power distribution reasonable, and the 5th lens and the 6th lens are balsaming lens, the present invention is had large aperture, high picture
The optical property such as plain, low distortion and good athermal.
Brief description of the drawings：
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
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 module；
Distortion curve figures of the Fig. 2 for optical system or camera module of the invention at+25 DEG C；
MTF curve figures of the Fig. 3 for optical system or camera module of the invention at+25 DEG C；
Relative illumination figures of the Fig. 4 for optical system or camera module of the invention at+25 DEG C；
MTF curve figures of the Fig. 5 for optical system or camera module of the invention at -40 DEG C；
MTF curve figures of the Fig. 6 for optical system or camera module of the invention at+85 DEG C.
Embodiment：
In order that technical problem solved by the invention, technical scheme and beneficial effect are more clearly understood, 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, a kind of high definition wide-angle optics, 8 it is sequentially provided with from object plane to image planes along optical axis：First lens 1,
Second 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 its focal power is negative；
The object plane side of second lens 2 is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of 3rd lens 3 is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of 4th lens 4 is convex surface, and image planes side is convex surface, and its focal power is just；
The object plane side of 5th lens 5 is convex surface, and image planes side is convex surface, and its focal power is just；
The object plane side of 6th lens 6 is concave surface, and image planes side is convex surface, and its focal power is negative；
Wherein, the 5th lens 5 and the mutually glued formation compound lens of the 6th lens 6, and meet TTL/EFL≤7.5, wherein
TTL for optical system the object plane side summit of the first lens 1 the distance between to imaging surface 8, EFL is effective Jiao of optical system
Away from.
The embodiment of the present invention, it is mainly made up of six pieces of lens, and lens piece number is few, simple in construction；Using different lens phases
Mutually combination makes focal power distribution reasonable, and the 5th lens and the 6th lens are balsaming lens, the present invention is had large aperture, high picture
The optical property such as plain, low distortion and good athermal.
Further, the following condition of the satisfaction of the optical system：(1)5<f56<15；(2)-3.0<f56/f<-1.0；Its
In, f56 is the focal length after the 5th lens 5 are combined with the 6th lens 6, and f is the focal length of whole optical system, and its value is EFL.Knot
Structure is simply compact, it is ensured that good optical property.
Yet further, each lens of the optical system meet following condition：(1)-10<f1<-2；(2)-10<f2<-2；
(3)-60<f3<-20；(4)2<f4<5；(5)2<f5<5；(6)-5<f6<-2；Wherein, f1 is the focal length of the first lens 1, and f2 is the
The focal length of two lens 2, f3 is the focal length of the 3rd lens 3, and f4 is the focal length of the 4th lens 4, and f5 is the focal length of the 5th lens 5, f6
For the focal length of the 6th lens 6.Be mutually combined using different lens and reasonable distribution focal power realize large aperture, high pixel,
The optical property such as low distortion and good athermal.
Further, each lens of the optical system meet following condition：(1)-5.0<f1/f<-1.5；(2)-5.0<
f2/f<-1.5；(3)-30<f3/f<-10；(4)0.8<f4/f<1.7；(5)0.8<f5/f<1.7；(6)2.0<f6/f<3.2.Adopt
It is mutually combined with different lens and reasonable distribution focal power realizes large aperture, high pixel, low distortion and good athermal etc.
Optical property.
Specifically, the Refractive Index of Material Nd1 of the first lens 1, material Abbe constant Vd1 are met：1.74<Nd1<1.90,37<
Vd1<55.Good optical property can be ensured.
Again specifically, the Refractive Index of Material Nd2 of the second lens 2, material Abbe constant Vd2 are met：1.74<Nd2<1.90,
37<Vd2<55.Good optical property can be ensured.
Further, the Refractive Index of Material Nd3 of the 3rd lens 3, material Abbe constant Vd3 are met：1.75<Nd3<1.95,
17<Vd3<40.Good optical property can be ensured.
Yet further, the Refractive Index of Material Nd4 of the 4th lens 4, material Abbe constant Vd4 are met：1.64<Nd4<
1.90,37<Vd4<60.Good optical property can be ensured.
Further, the Refractive Index of Material Nd5 of the 5th lens 5, material Abbe constant Vd5 are met：1.60<Nd5<
1.85,40<Vd5<60；Good optical property can be ensured.
Further, the Refractive Index of Material Nd6 of the 6th lens 6, material Abbe constant Vd6 are met：1.75<Nd6<
1.95,17<Vd6<40.Good optical property can be ensured.
Yet further, the diaphragm 7 of optical system is arranged between the 3rd lens 3 and the 4th lens 4.It is simple in construction, use
To adjust the intensity of light beam.
Specifically, in the present embodiment, the focal length f of this optical system is 1.97mm, and stop index FNo. is 2.0, visual field
ω=150 ° of angle 2, " the high definition Sensor that is suitable for 1/4.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 | 17.00 | 0.70 | 1.80 | 46.56 |
| S2 | 3.05 | 1.00 | ||
| S3 | 5.00 | 0.89 | 1.77 | 49.61 |
| S4 | 2.05 | 0.80 | ||
| S5 | 3.55 | 2.15 | 1.92 | 20.88 |
| S6 | 2.35 | 0.50 | ||
| S7 | INFINITY | 0.00 | ||
| S8 | 3.20 | 2.50 | 1.67 | 55.55 |
| S9 | -3.20 | 0.10 | ||
| S10 | 7.00 | 1.90 | 1.80 | 46.56 |
| S11 | -2.00 | 0.40 | 1.92 | 20.88 |
| S12 | -15.00 | 2.00 | ||
| S13 | INFINITY | 0.40 | 1.51 | 64.21 |
| S14 | INFINITY | 1.117 | ||
| S15 | INFINITY | - |
In upper table, along optical axis 8 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；Where S7 correspondence system aperture diaphragms STO
Position；S8, S9 correspond to two surfaces of the 4th lens 4；S10, S11 correspond to two surfaces of the 5th lens 5；S11, S12
Correspond to two surfaces of the 6th lens 6；S13, S14 correspond to the two of the protective glass being located between the 6th lens 6 and image planes 8
Individual surface；S15 corresponds to Sensor imaging surfaces 8.
The optical system in the present embodiment is can be seen that in from Fig. 2 to Fig. 6, is mutually combined and closes using different lens
Reason distribution focal power realizes the optical properties such as large aperture, high pixel, low distortion and good athermal.
A kind of camera module, at least including optical lens, is provided with high definition wide angle optical described above in optical lens
System.
The camera module of the embodiment of the present invention, macropore is realized using different lens combinations and reasonable distribution focal power
The optical properties such as footpath, high pixel, low distortion and good athermal.
It is to combine one or more embodiments that particular content is provided as described above, does not assert the specific reality of the present invention
Apply and be confined to these explanations.It is all approximate with method of the 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. high definition wide-angle optics, is sequentially provided with along optical axis from object plane to image planes：First lens, the second lens, the 3rd lens,
4th lens, the 5th lens and the 6th lens；Characterized in that,
The object plane side of first lens is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of second lens is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of 3rd lens is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of 4th lens is convex surface, and image planes side is convex surface, and its focal power is just；
The object plane side of 5th lens is convex surface, and image planes side is convex surface, and its focal power is just；
The object plane side of 6th lens is concave surface, and image planes side is convex surface, and its focal power is negative；
Wherein, the 5th lens and the 6th lens are mutually glued forms compound lens, and meets TTL/EFL≤7.5, and wherein TTL is
First lens object plane side summit of optical system is the distance between to imaging surface, and EFL is the effective focal length of optical system.
2. high definition wide-angle optics according to claim 1, it is characterised in that the optical system meets following condition：
(1)5<f56<15；
(2)-3.0<f56/f<-1.0；
Wherein, f56 is the focal length after the 5th lens and the 6th lens combination, and f is the focal length of whole optical system.
3. high definition wide-angle optics according to claim 1 or 2, it is characterised in that each lens of the optical system are expired
The following condition of foot：
(1)-10<f1<-2；
(2)-10<f2<-2；
(3)-60<f3<-20；
(4)2<f4<5；
(5)2<f5<5；
(6)-5<f6<-2；
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.
4. high definition wide-angle optics according to claim 1 or 2, it is characterised in that each lens of the optical system are expired
The following condition of foot：
(1)-5.0<f1/f<-1.5；
(2)-5.0<f2/f<-1.5；
(3)-30<f3/f<-10；
(4)0.8<f4/f<1.7；
(5)0.8<f5/f<1.7；
(6)2.0<f6/f<3.2；
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, and f is the focal length of whole optical system.
5. high definition wide-angle optics according to claim 1 or 2, it is characterised in that the Refractive Index of Material of the first lens
Nd1, material Abbe constant Vd1 are met：1.74<Nd1<1.90,37<Vd1<55.
6. high definition wide-angle optics according to claim 1 or 2, it is characterised in that the Refractive Index of Material of the second lens
Nd2, material Abbe constant Vd2 are met：1.74<Nd2<1.90,37<Vd2<55.
7. high definition wide-angle optics according to claim 1 or 2, it is characterised in that the Refractive Index of Material of the 3rd lens
Nd3, material Abbe constant Vd3 are met：1.75<Nd3<1.95,17<Vd3<40.
8. high definition wide-angle optics according to claim 1 or 2, it is characterised in that the Refractive Index of Material of the 4th lens
Nd4, material Abbe constant Vd4 are met：1.64<Nd4<1.90,37<Vd4<60.
9. high definition wide-angle optics according to claim 1 or 2, it is characterised in that the Refractive Index of Material of the 5th lens
Nd5, material Abbe constant Vd5 are met：1.60<Nd5<1.85,40<Vd5<60；And/or the 6th lens Refractive Index of Material Nd6,
Material Abbe constant Vd6 is met：1.75<Nd6<1.95,17<Vd6<40.
10. camera module, at least including optical lens, it is characterised in that any one of claim 1-9 is provided with optical lens
Described high definition wide-angle optics.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210339181.5A CN114815175B (en) | 2017-05-24 | 2017-05-24 | Wide-angle high-definition optical system and camera module applying same |
| CN201710371784.2A CN106990507B (en) | 2017-05-24 | 2017-05-24 | High-definition wide-angle optical system and camera module applying same |
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| CN201710371784.2A CN106990507B (en) | 2017-05-24 | 2017-05-24 | High-definition wide-angle optical system and camera module applying same |
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| CN202210339181.5A Division CN114815175B (en) | 2017-05-24 | 2017-05-24 | Wide-angle high-definition optical system and camera module applying same |
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| CN106990507B CN106990507B (en) | 2022-05-31 |
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| CN202210339181.5A Active CN114815175B (en) | 2017-05-24 | 2017-05-24 | Wide-angle high-definition optical system and camera module applying same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108363161A (en) * | 2018-01-05 | 2018-08-03 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
| CN110109233A (en) * | 2019-05-28 | 2019-08-09 | 广东弘景光电科技股份有限公司 | Large aperture optical system and its camera module of application |
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| CN102455488A (en) * | 2010-10-29 | 2012-05-16 | 鸿富锦精密工业（深圳）有限公司 | Ultra wide-angle lens |
| KR101429887B1 (en) * | 2013-03-22 | 2014-08-13 | 주식회사 세코닉스 | Compact type wide angle lens system |
| CN205720848U (en) * | 2016-04-25 | 2016-11-23 | 今国光学工业股份有限公司 | Six chip wide-angle lens |
| CN206920685U (en) * | 2017-05-24 | 2018-01-23 | 广东弘景光电科技股份有限公司 | High definition wide-angle optics and its camera module of application |
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| JP3833218B2 (en) * | 2004-02-13 | 2006-10-11 | 株式会社長野光学研究所 | 2 group zoom lens |
| JP6517621B2 (en) * | 2015-07-27 | 2019-05-22 | 京セラ株式会社 | Imaging lens and imaging apparatus |
| JP6591826B2 (en) * | 2015-08-07 | 2019-10-16 | マクセル株式会社 | Wide-angle imaging lens system and imaging apparatus |
| CN106443976B (en) * | 2016-12-24 | 2019-09-17 | 广东弘景光电科技股份有限公司 | Large aperture high definition optical system and its camera lens of application |
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| CN102455488A (en) * | 2010-10-29 | 2012-05-16 | 鸿富锦精密工业（深圳）有限公司 | Ultra wide-angle lens |
| JP2012098724A (en) * | 2010-10-29 | 2012-05-24 | Kofukin Seimitsu Kogyo (Shenzhen) Yugenkoshi | Super wide angle lens |
| KR101429887B1 (en) * | 2013-03-22 | 2014-08-13 | 주식회사 세코닉스 | Compact type wide angle lens system |
| CN205720848U (en) * | 2016-04-25 | 2016-11-23 | 今国光学工业股份有限公司 | Six chip wide-angle lens |
| CN206920685U (en) * | 2017-05-24 | 2018-01-23 | 广东弘景光电科技股份有限公司 | High definition wide-angle optics and its camera module of application |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108363161A (en) * | 2018-01-05 | 2018-08-03 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
| CN110109233A (en) * | 2019-05-28 | 2019-08-09 | 广东弘景光电科技股份有限公司 | Large aperture optical system and its camera module of application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106990507B (en) | 2022-05-31 |
| CN114815175B (en) | 2024-04-05 |
| CN114815175A (en) | 2022-07-29 |
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