CN105511061A - Super-wide high-definition optical lens - Google Patents
Super-wide high-definition optical lens Download PDFInfo
- Publication number
- CN105511061A CN105511061A CN201610050679.4A CN201610050679A CN105511061A CN 105511061 A CN105511061 A CN 105511061A CN 201610050679 A CN201610050679 A CN 201610050679A CN 105511061 A CN105511061 A CN 105511061A
- Authority
- CN
- China
- Prior art keywords
- lens
- ultra
- definition optical
- high definition
- wide angle
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
The invention discloses a super-wide high-definition optical lens, wherein a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seven lens and an eight lens are orderly coaxially arranged between an object space and an image space, an aperture is arranged between the fourth lends and the fifth lens, an optical filter is arranged between the eight lens and the image space, the first, the second and the third lenses are of a crescent shape, concave surfaces of the first, the second and the third lenses are arranged toward the aperture, the fourth lens is a dual convex shape lens, the fifth lens is of a crescent shape, the concave surface of the fifth lends is arranged toward the aperture, the sixth and the seven lenses are glued together to form a glued lens, and the eight lens is a dual convex lens. The super-wide high-definition optical lens can achieve a 240 degrees great visual angle, is high in distinguishability, can achieve 1600 million pixels, can achieve a 2.0 relative aperture, and is less in whole structure elements and low in cost.
Description
Technical field
The present invention relates to a kind of optical system, particularly relate to a kind of ultra-wide angle high definition optical lens being applied to 360 degree of panorama moving cameras, overall view monitorings etc.
Background technology
On market, the wide-angle lens visual angle of main flow is mostly less, is mainly used in monitoring, photography, the field such as vehicle-mounted.But in some fields, these camera lenses are difficult to meet request for utilization, as 360 in some extreme sports degree panorama moving camera, overall view monitoring etc., above-mentioned wide-angle lens is unfavorable for applying, in addition, and existing general wide-angle lens, resolution is lower, especially picture edge, edge image is unintelligible or have distortion, and the occasion higher for some pixel requests is obviously not suitable for.In addition, angle mirror head relative aperture is less, can only use when illumination is stronger, experience extreme difference of taking pictures when illumination is more weak.
Above-mentioned defect, is worth improving.
Summary of the invention
In order to overcome the deficiency of existing technology, the invention provides a kind of ultra-wide angle high definition optical lens.
Technical solution of the present invention is as described below:
A kind of ultra-wide angle high definition optical lens, it is characterized in that, the first lens of coaxial setting, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th lens are provided with successively between object space with image space, diaphragm is provided with between described 4th lens and described 5th lens, optical filter is provided with between described 8th lens and described image space
Described first lens, described second lens and described 3rd lens are all in curved month type, its concave surface facing described diaphragm, described 4th lens are lenticular lens, described 5th lens are in being curved month type, its concave surface facing described diaphragm, described 6th lens and described 7th lens gummed form balsaming lens, and described 8th lens are biconvex lens.
Further, the focal length of described first lens, described second lens, described 3rd lens and described 7th lens is negative, and the focal length of described 4th lens, described 5th lens, described 6th lens and described 8th lens is just.
Further, described 3rd lens, described 5th lens and described 8th lens are plastic lens, described plastic lens face type is aspheric surface face type, described first lens, described second lens, described 4th lens, described 5th lens, described 6th lens and described 7th lens are glass lens, and described glass lens face type is spherical surface type.
Further, this ultra-wide angle high definition optical lens is anti-long distance structure, makes system focal distance f and overall length T meet relation
thereafter the pass of burnt BFL and overall length is
its outside diameter d and overall length T relation be
Further, the refractive index Nd of described first lens and described second lens and abbe number Vd meets: 1.6 < Nd < 1.8,45 < Vd < 55.
The refractive index Nd of described 3rd lens, described 5th lens and described 8th lens and abbe number Vd meets: 1.5 < Nd < 1.55,50 < Vd < 60.
The refractive index Nd of described 4th lens and abbe number Vd meets: 1.65 < Nd < 1.75,25 < Vd < 35.
The refractive index Nd of described 6th lens and abbe number Vd meets: 1.7 < Nd < 1.8,45 < Vd < 55.
The refractive index Nd of described 7th lens and abbe number Vd meets: 1.85 < Nd < 1.95,18 < Vd < 25.
According to the present invention of such scheme, its beneficial effect is:
1, the present invention can reach 240 degree with great visual angle, overcomes the shortcoming that on market, main flow wide-angle lens field angle is less.
2, high resolving power of the present invention, can reach 1,600 ten thousand pixels, effectively improves the lower shortcoming of present main flow wide-angle lens resolution.
3, relative aperture of the present invention is comparatively large, can reach 2.0, uses and also can obtain good imaging effect under comparatively decreased light, overcomes the shortcoming that main flow wide-angle lens on market can only use under compared with high light line.
4, optical lens of the present invention only by 5 pieces of glass mirror and 3 pieces of plastic lens totally eight pieces of eyeglasses form, system element is few, and cost is low, is applicable to produce in enormous quantities.
Accompanying drawing explanation
Fig. 1 is optical system schematic diagram of the present invention;
Fig. 2 is that MTF of the present invention schemes.
In the drawings, the 1, first lens; 2, the second lens; 3, the 3rd lens; 4, the 4th lens; 5, the 5th lens; 6, the 6th lens; 7, the 7th lens; 8, the 8th lens; 9, diaphragm; 10, optical filter; 11, image planes.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is conducted further description:
As shown in Figure 1, a kind of ultra-wide angle high definition optical lens being applied to 360 degree of panorama moving cameras, overall view monitorings etc., coaxial the 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 that arrange are provided with successively between object space with image planes 11, be provided with diaphragm 9 between 4th lens 4 and the 5th lens 5, between the 8th lens 8 and image planes 11, be provided with optical filter 10.Wherein, the 3rd lens 3, the 5th lens 5, the 8th lens 8 are plastic lens, and all the other 5 is glass lens.Plastic lens face type is aspheric surface face type, and glass lens face type is spherical surface type.Make whole optical system components few like this, cost is low.
The shape of the first lens 1 is curved month type, its concave surface facing diaphragm, has the effect of converging light refraction angle; The shape of the second lens 2 is curved month type, its concave surface facing diaphragm, effectively can also reduce spherical aberration while changing deflection of light angle; The shape of the 3rd lens 3 is curved month type, its concave surface facing diaphragm, and the curvature of second, these lens is larger; 4th lens 4 are lenticular lens, and have and ensure that aberration is balanced, control the effect of chief ray angle, the 3rd lens 3 and the 4th lens 4 adopt positive and negative contrary lens, the aberration of the effective system reduced; The shape of the 5th lens 5 is curved month type, its concave surface facing diaphragm, reduces system spherical aberration; 6th lens 6 and the 7th lens 7 are balsaming lens, effective correcting chromatic aberration; 8th lens 8 are biconvex lens, have and control the effect that chief ray angle balances aberration simultaneously.
First lens 1 and the second lens 2 all meet 1.6 < Nd < 1.8,45 < Vd < 55; 3rd lens 3, the 5th lens 5, the 8th lens 8 all meet 1.5 < Nd < 1.55,50 < Vd < 60; 4th lens 4 meet 1.65 < Nd < 1.75,25 < Vd < 35; 6th lens 6 meet 1.7 < Nd < 1.8,45 < Vd < 55; 7th lens 7 meet 1.85 < Nd < 1.95,18 < Vd < 25.Wherein, Nd refers to the refractive index of lens, and Vd refers to the abbe number of lens.
The present invention adopts anti-long distance structure, makes system focal distance f and overall length T meet relation
thereafter the pass of burnt BFL and overall length is
its outside diameter d and overall length T relation be
and then make that syetematic view reaches 240 °, aperture reaches F.no and reach 2.0.
Preferably, each simple lens focal length above-mentioned meets: the first lens 1, second lens 2, the 3rd lens 3, focal length is negative, reasonable distribution angular, make glass lens and plastic lens to play maximum effect, the 4th lens 4 focal length be just, the 5th lens 5 focal length for just, the 6th focal length of lens for just, the 7th focal length of lens is being for negative, the 8th lens 8 focal length is for just.
As shown in Figure 2, it is MTF (optical transfer function) figure of optical system of the present invention.The present invention adopts with great visual angle, reaches 240 degree, overcomes the shortcoming that on market, main flow wide-angle lens field angle is less; Relative aperture of the present invention is comparatively large, and high resolving power, reaches 1,600 ten thousand pixels, effectively improves the lower shortcoming of present main flow wide-angle lens resolution, and can shoot good imaging effect in the more weak situation of light.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
By reference to the accompanying drawings exemplary description is carried out to patent of the present invention above; the realization of obvious patent of the present invention is not subject to the restrictions described above; as long as have employed the various improvement that method is conceived and technical scheme is carried out of patent of the present invention; or the design of patent of the present invention and technical scheme directly applied to other occasion, all in protection scope of the present invention without to improve.
Claims (4)
1. a ultra-wide angle high definition optical lens, it is characterized in that, the first lens of coaxial setting, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th lens are provided with successively between object space with image space, diaphragm is provided with between described 4th lens and described 5th lens, optical filter is provided with between described 8th lens and described image space
Described first lens, described second lens and described 3rd lens all in curved month type, its concave surface facing described diaphragm,
Described 4th lens are lenticular lens,
Described 5th lens are curved month type, its concave surface facing described diaphragm,
Described 6th lens and described 7th lens gummed form balsaming lens,
Described 8th lens are biconvex lens.
2. ultra-wide angle high definition optical lens according to claim 1, it is characterized in that, the focal length of described first lens, described second lens, described 3rd lens and described 7th lens is negative, and the focal length of described 4th lens, described 5th lens, described 6th lens and described 8th lens is just.
3. ultra-wide angle high definition optical lens according to claim 1, it is characterized in that, described 3rd lens, described 5th lens and described 8th lens are plastic lens, described plastic lens face type is aspheric surface face type, described first lens, described second lens, described 4th lens, described 5th lens, described 6th lens and described 7th lens are glass lens, and described glass lens face type is spherical surface type.
4. ultra-wide angle high definition optical lens according to claim 1, is characterized in that, this ultra-wide angle high definition optical lens is anti-long distance structure, makes system focal distance f and overall length T meet relation
thereafter the pass of burnt BFL and overall length is
Its outside diameter d and overall length T relation be
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610050679.4A CN105511061B (en) | 2016-01-26 | 2016-01-26 | A kind of ultra-wide angle high definition optical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610050679.4A CN105511061B (en) | 2016-01-26 | 2016-01-26 | A kind of ultra-wide angle high definition optical lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105511061A true CN105511061A (en) | 2016-04-20 |
| CN105511061B CN105511061B (en) | 2018-02-06 |
Family
ID=55719158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610050679.4A Expired - Fee Related CN105511061B (en) | 2016-01-26 | 2016-01-26 | A kind of ultra-wide angle high definition optical lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105511061B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167898A (en) * | 2017-06-29 | 2017-09-15 | 江西联创电子有限公司 | Fish eye lens |
| WO2018176924A1 (en) * | 2017-03-30 | 2018-10-04 | 广东弘景光电科技股份有限公司 | Ultra-wide-angle camera optical system and camera module used thereby |
| CN109960004A (en) * | 2017-12-22 | 2019-07-02 | 宁波舜宇车载光学技术有限公司 | Optical lens |
| CN110018551A (en) * | 2018-01-08 | 2019-07-16 | 三星电机株式会社 | Optical imaging system |
| US20230176341A1 (en) * | 2017-06-02 | 2023-06-08 | Owl Labs, Inc. | Wide angle lens and camera system for peripheral field of view imaging |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5666228A (en) * | 1995-09-28 | 1997-09-09 | Fuji Photo Optical Co., Ltd. | Retrofocus type lens |
| CN1161461A (en) * | 1995-06-02 | 1997-10-08 | 德克萨斯仪器股份有限公司 | Offset zoom lens for reflective light modulators |
| JP2000305012A (en) * | 1999-04-20 | 2000-11-02 | Minolta Co Ltd | Projection optical system |
| CN104834076A (en) * | 2015-05-26 | 2015-08-12 | 中山联合光电科技股份有限公司 | Small-f-theta-distortion and high-resolution optical system |
| CN205562933U (en) * | 2016-01-26 | 2016-09-07 | 深圳市谛源光科有限公司 | Super wide angle high definition optical lens |
-
2016
- 2016-01-26 CN CN201610050679.4A patent/CN105511061B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1161461A (en) * | 1995-06-02 | 1997-10-08 | 德克萨斯仪器股份有限公司 | Offset zoom lens for reflective light modulators |
| US5666228A (en) * | 1995-09-28 | 1997-09-09 | Fuji Photo Optical Co., Ltd. | Retrofocus type lens |
| JP2000305012A (en) * | 1999-04-20 | 2000-11-02 | Minolta Co Ltd | Projection optical system |
| CN104834076A (en) * | 2015-05-26 | 2015-08-12 | 中山联合光电科技股份有限公司 | Small-f-theta-distortion and high-resolution optical system |
| CN205562933U (en) * | 2016-01-26 | 2016-09-07 | 深圳市谛源光科有限公司 | Super wide angle high definition optical lens |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018176924A1 (en) * | 2017-03-30 | 2018-10-04 | 广东弘景光电科技股份有限公司 | Ultra-wide-angle camera optical system and camera module used thereby |
| US20230176341A1 (en) * | 2017-06-02 | 2023-06-08 | Owl Labs, Inc. | Wide angle lens and camera system for peripheral field of view imaging |
| CN107167898A (en) * | 2017-06-29 | 2017-09-15 | 江西联创电子有限公司 | Fish eye lens |
| CN109960004A (en) * | 2017-12-22 | 2019-07-02 | 宁波舜宇车载光学技术有限公司 | Optical lens |
| CN109960004B (en) * | 2017-12-22 | 2021-05-07 | 宁波舜宇车载光学技术有限公司 | Optical lens |
| CN110018551A (en) * | 2018-01-08 | 2019-07-16 | 三星电机株式会社 | Optical imaging system |
| US11029489B2 (en) | 2018-01-08 | 2021-06-08 | Samsung Electro-Mechanics Co., Ltd. | Optical imaging system |
| US12019305B2 (en) | 2018-01-08 | 2024-06-25 | Samsung Electro-Mechanics Co., Ltd. | Optical imaging system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105511061B (en) | 2018-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206209180U (en) | Optical lens | |
| CN106291887B (en) | Fisheye lens | |
| CN105974561A (en) | Wide-angle image photographing lens | |
| CN106932888B (en) | 360-degree panoramic fisheye lens | |
| CN104880808A (en) | Small perspective distortion and ultra-wide optical system | |
| CN206321862U (en) | A kind of 360 ° of panorama fish eye lenses | |
| CN110646919B (en) | Fisheye lens | |
| CN106980170B (en) | Optical lens for ultra-wide-angle high-definition aerial photography instrument | |
| CN106772941A (en) | The big thang-kng small-sized wide-angle lens of 2.8mm | |
| CN105511061B (en) | A kind of ultra-wide angle high definition optical lens | |
| CN105866927B (en) | A kind of optical imaging system | |
| CN110568590A (en) | Starlight-level optical lens and imaging method thereof | |
| CN105866930A (en) | High-definition lens | |
| CN204807791U (en) | Optical lens | |
| CN104570286A (en) | Micro fisheye camera lens and head-mounted display equipment | |
| CN101846792B (en) | High-pixel wide-angle camera | |
| CN205301692U (en) | Low -cost varifocal optical system of with great visual angle little volume | |
| CN205665457U (en) | High definition optical imaging system that takes photo by plane | |
| CN201654312U (en) | High pixel wide-angle pick-up lens | |
| CN205374852U (en) | Low distortion optical imaging system of high picture | |
| CN107436483B (en) | 1.7mm ultra-wide-angle rear-view vehicle-mounted lens | |
| CN206331171U (en) | A kind of lens combination and tight shot | |
| CN202886719U (en) | Day and night lens with wide field of view, low distortion and high resolution | |
| CN205562933U (en) | Super wide angle high definition optical lens | |
| CN104698572A (en) | Ultra-thin small-distortion wide-angle double-chip optical imaging objective lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 Termination date: 20210126 |