CN107085283A - A kind of glass modeling mixing 6.0mm tight shots of the low distortion of ultra high-definition - Google Patents

A kind of glass modeling mixing 6.0mm tight shots of the low distortion of ultra high-definition Download PDF

Info

Publication number
CN107085283A
CN107085283A CN201710386988.3A CN201710386988A CN107085283A CN 107085283 A CN107085283 A CN 107085283A CN 201710386988 A CN201710386988 A CN 201710386988A CN 107085283 A CN107085283 A CN 107085283A
Authority
CN
China
Prior art keywords
lens
definition
ultra high
glass
focal length
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
Application number
CN201710386988.3A
Other languages
Chinese (zh)
Other versions
CN107085283B (en
Inventor
何剑炜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Yutong Optical Technology Co Ltd
Original Assignee
Dongguan Yutong Optical Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongguan Yutong Optical Technology Co Ltd filed Critical Dongguan Yutong Optical Technology Co Ltd
Priority to CN201710386988.3A priority Critical patent/CN107085283B/en
Publication of CN107085283A publication Critical patent/CN107085283A/en
Application granted granted Critical
Publication of CN107085283B publication Critical patent/CN107085283B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/001Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • G02B13/0045Miniaturised 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Abstract

The present invention relates to lens apparatus technical field, more particularly to a kind of glass modeling mixing 6.0mm tight shots of low distortion of ultra high-definition, including the first lens, second lens, 3rd lens, there is following relation in the 4th lens and the 5th lens, the focal length and the first lens, the second lens, the 4th lens and the 5th lens of glass modeling mixing 6.0mm tight shots:1<∣f1/f∣<3.5;4<∣f2/f∣<10;0.5<∣f4/f∣<2;0.5∣f5/f∣<2;0.6<∣f4/f5∣<2;The present invention possesses day and night with burnt function, it is provided simultaneously with temperature compensation function, visible ray and infrared light can be realized while reaching 6,000,000 pixel resolutions using not running Jiao i.e. in the environment of 30 °~+80 °, F1.8 maximum ring, optical distortion be less than 6% and optics overall length be less than the index such as 21mm, also with the low market prospects of cost it is extensive the characteristics of.

Description

A kind of glass modeling mixing 6.0mm tight shots of the low distortion of ultra high-definition
Technical field
Determine the present invention relates to the glass modeling mixing 6.0mm of lens apparatus technical field, more particularly to a kind of low distortion of ultra high-definition Zoom lens.
Background technology
6.0mm tight shots are widely used in safety monitoring camera lens industry, and common high definition 6mm tight shots are usual Possess 6 pieces of eyeglasses, it is seen that light resolution ratio can reach more than two mega pixels even three mega pixels but infrared imaging resolution ratio Mega pixel is can only achieve, optical distortion is generally 15% or so.
With the development of security protection industry, camera pixel requires that 4,000,000 pixels are even in more and more higher, middle and high ends type The type of 6000000 pixels is continued to bring out, and high-end type even occurs in that the type of 12,000,000 pixels.The pixel of superelevation gives camera lens band Carry out huge challenge.
Nowadays, security protection industry becomes closer to the camera of conventional digital, simple high pixel to the requirement for monitoring image quality Require that for people can not be fully met, bigger aperture, lower distortion have become people's demand new at present.
Traditional glass spheric glass, it corrects the limited in one's ability of aberration, and price is higher, and at present in technology, design a Ultra high-definition, the camera lens of large aperture then need more eyeglass, and this undoubtedly causes the production cost of camera lens to greatly improve, and is unfavorable for city Promote field.
For this reason, it is necessary to provide a kind of glass modeling mixing 6.0mm tight shots of the low distortion of ultra high-definition to overcome drawbacks described above.
The content of the invention
The invention provides a kind of glass of the low distortion of ultra high-definition modeling mixing 6.0mm tight shots, possess day and night with burnt function, Temperature compensation function is provided simultaneously with, i.e., can realize that visible ray is same with infrared light using not running Jiao in the environment of -30 °~+80 ° When reach 6,000,000 pixel resolutions, F1.8 maximum ring, optical distortion be less than 6% and optics overall length be less than 21mm etc. and refer to Mark, also with the low market prospects of cost it is extensive the characteristics of.
In order to solve the above-mentioned technical problem, the technical solution used in the present invention is:
A kind of glass modeling mixing 6.0mm tight shots of the low distortion of ultra high-definition, including set gradually along light incident direction First lens, the second lens, the 3rd lens, the 4th lens and the 5th lens, the focal length of the glass modeling mixing 6.0mm tight shots There is following relation with first lens, second lens, the 4th lens and the 5th lens:
1<∣f1/f∣<3.5;
4<∣f2/f∣<10;
0.5<∣f4/f∣<2;
0.5∣f5/f∣<2;
0.6<∣f4/f5∣<2;
Wherein, the f is the focal length that the glass moulds mixing 6.0mm tight shots, and the f1 is Jiao of first lens Away from the f2 is the focal length of second lens, and the f4 is the focal length of the 4th lens, and the f5 is the 5th lens Focal length.
Preferably, first lens, second lens, the 4th lens and the 5th lens are plastics aspheric Face eyeglass, the 3rd lens are glass lens.
Preferably, first lens are convex-concave negative-power lenses, and second lens are concavo-convex positive power lens, 3rd lens are biconvex positive power lens, and the 4th lens are concave-concave negative-power lenses, and the 5th lens are Biconvex positive power lens.
Preferably, first lens are directly abutted against with second lens, second lens and the 3rd lens By spacer ring close-fitting, the 3rd lens with the 4th lens by spacer ring close-fitting, the 4th lens and the described 5th saturating Mirror is directly abutted against.
A kind of glass modeling mixing 6.0mm tight shots of the low distortion of ultra high-definition of the present invention, glass modeling mixing 6.0mm is determined The focal length of zoom lens is arranged to meet with first lens, second lens, the 4th lens and the 5th lens Following relational expression:1<∣f1/f∣<3.5;4<∣f2/f∣<10;0.5<∣f4/f∣<2;0.5∣f5/f∣<2;0.6<∣f4/f5∣<2, make Of the invention must possess day and night with burnt function, be provided simultaneously with temperature compensation function, i.e., use and do not run in the environment of -30 °~+80 ° Jiao can realize visible ray and infrared light while reaching 6,000,000 pixel resolutions, and F1.8 maximum ring, optical distortion is less than 6% and optics overall length be less than the index such as 21mm, while allowing the invention to reach miniaturization, high performance feature.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the glass modeling mixing 6.0mm tight shots of the low distortion of ultra high-definition of the present invention.
Embodiment
Below in conjunction with the accompanying drawings, embodiments of the present invention are specifically illustrated, accompanying drawing is only for reference and explanation is used, are not constituted pair The limitation of scope of patent protection of the present invention.
It refer to Fig. 1, a kind of glass modeling mixing 6.0mm tight shots of the low distortion of ultra high-definition of the invention, including along light The first lens 1 that incident direction is set gradually, the second lens 2, the 3rd lens 3, the 4th lens 4 and the 5th lens 5, wherein, institute The first lens 1 are stated to be directly abutted against with second lens 2, second lens 2 and the 3rd lens 3 by spacer ring close-fitting, 3rd lens 3 are with the 4th lens 4 by spacer ring close-fitting, and the 4th lens 4 are directly tight with the 5th lens 5 Lean on.
Specifically, first lens 1 are convex-concave negative-power lenses, and second lens 2 are that concavo-convex positive light coke is saturating Mirror, the 3rd lens 3 are biconvex positive power lens, and the 4th lens 4 are concave-concave negative-power lenses, and the described 5th is saturating Mirror 5 is biconvex positive power lens.More specifically, the focal length and first lens of the glass modeling mixing 6.0mm tight shots 1st, there is following relation in second lens 2, the 4th lens 4 and the 5th lens 5:
1<∣f1/f∣<3.5;
4<∣f2/f∣<10;
0.5<∣f4/f∣<2;
0.5∣f5/f∣<2;
0.6<∣f4/f5∣<2;
Wherein, the f is the focal length that the glass moulds mixing 6.0mm tight shots, and the f1 is Jiao of first lens 1 Away from the f2 is the focal length of second lens 2, and the f4 is the focal length of the 4th lens 4, and the f5 is the described 5th saturating The focal length of mirror 5.More specifically, the parameter of first lens 1 to the 5th lens 3 meets following condition:
F1=-7.5~-3.1 N1=1.45~1.75 R1=13~45 R2=2.1~4.2
F2=11.1~28.5 N2=1.5~1.65 R3=-6.9~-3.1 R4=-6.5~-2.5
F3=3.1~6.7 N3=1.43~1.7 R5=3~9 R6=-6.5~-2.5
F4=-6.1~-2.3 N4=1.5~1.65 R7=-5.5~-1.5 R8=2.5~9.5
F5=2.9~6.9 N5=1.5~1.65 R9=4.5~11.5 R10=-6.5~-1.5
Wherein, the f1, the f2, the f3, the f4 correspond to first lens 1 to the described 5th to the f5 The focal length of lens 5, the n1 to the n5 corresponds to first lens 1 to the refractive index of the 5th lens 5, and the R is The radius of curvature at lens face type center.
Further, first lens 1, second lens 2, the 4th lens 4 and the 5th lens 5 are met Below equation:
Wherein, C=1/R, k are aspherical circular cone coefficient, and R represents the radius of curvature at Mian Xing centers, and α represents described 8 The parameter of curved surface.
The relevant parameter of first lens 1 to the 5th lens 5 of the present invention refers to table 1:
Face sequence number Face type R D nd K values
1 It is aspherical 7.851 2.5 1.55 0.612
2 It is aspherical 2.881 2.29 -0.113
3 It is aspherical -3.557 2.8 1.65 -1.935
4 It is aspherical -4.061 0.21 -0.293
5 Sphere 6.578 3.5 1.6
6 Sphere -20.289 0.4
Diaphragm Plane PL 0.2
7 It is aspherical -17.589 0.6 1.65 20.335
8 It is aspherical 3.953 0.1 -4.553
9 It is aspherical 3.535 0.8 1.55 -3.101
10 It is aspherical -7.638 -1.572
Table 1
Wherein, R represents radius of curvature, and D represents center thickness, and nd represents refractive index, and k values represent circular cone coefficient, and PL is represented Plane.
The alpha parameter of corresponding surface sequence number refer to table 2:
From the above, it can be seen that a kind of glass modeling mixing 6.0mm tight shots of the low distortion of ultra high-definition of the present invention, will The focal length of glass modeling mixing 6.0mm tight shots and first lens 1, second lens 2, the 4th lens 4 and 5th lens 5 are arranged to meet following relational expression:1<∣f1/f∣<3.5;4<∣f2/f∣<10;0.5<∣f4/f∣<2;0.5∣ f5/f∣<2;0.6<∣f4/f5∣<2 so that the present invention possesses day and night with burnt function, is provided simultaneously with temperature compensation function, i.e. ,- Visible ray and infrared light can be realized while reaching 6,000,000 pixel resolutions, F1.8 using not running Jiao in the environment of 30 °~+80 ° Maximum ring, optical distortion be less than 6% and optics overall length be less than the index such as 21mm.Further, since aspherical with higher Correction aberration ability, usually can reduce number of lenses using the camera lens of aspherical lens, simplify lens construction, plastics aspheric Face eyeglass possesses the ability of good correction aberration, while price is relatively low.Therefore 4 plastics aspheric are added using 1 glass lens 5 optical textures of face eyeglass so that the present invention has the characteristics of low market prospects of cost are extensive.
Above disclosed is only presently preferred embodiments of the present invention, it is impossible to the rights protection model of the present invention is limited with this Enclose, therefore the equivalent variations made according to scope of the present invention patent, still belong to the scope that the present invention is covered.

Claims (4)

1. a kind of glass modeling mixing 6.0mm tight shots of low distortion of ultra high-definition, including the set gradually along light incident direction One lens, the second lens, the 3rd lens, the 4th lens and the 5th lens, it is characterised in that the glass modeling mixing 6.0mm is focused There is following relation with first lens, second lens, the 4th lens and the 5th lens in the focal length of camera lens:
1<∣f1/f∣<3.5;
4<∣f2/f∣<10;
0.5<∣f4/f∣<2;
0.5∣f5/f∣<2;
0.6<∣f4/f5∣<2;
Wherein, the f is the focal length that the glass moulds mixing 6.0mm tight shots, and the f1 is the focal length of first lens, institute The focal length that f2 is second lens is stated, the f4 is the focal length of the 4th lens, and the f5 is Jiao of the 5th lens Away from.
2. the glass modeling mixing 6.0mm tight shots of the low distortion of ultra high-definition as claimed in claim 1, it is characterised in that described the One lens, second lens, the 4th lens and the 5th lens are plastic aspherical element eyeglass, and the 3rd lens are Glass lens.
3. the glass modeling mixing 6.0mm tight shots of the low distortion of ultra high-definition as claimed in claim 1 or 2, it is characterised in that described First lens are convex-concave negative-power lenses, and second lens are concavo-convex positive power lens, and the 3rd lens are biconvexs Positive power lens, the 4th lens are concave-concave negative-power lenses, and the 5th lens are biconvex positive power lens.
4. the glass modeling mixing 6.0mm tight shots of the low distortion of ultra high-definition as claimed in claim 1, it is characterised in that described the One lens are directly abutted against with second lens, and second lens and the 3rd lens are by spacer ring close-fitting, and the described 3rd Lens are with the 4th lens by spacer ring close-fitting, and the 4th lens are directly abutted against with the 5th lens.
CN201710386988.3A 2017-05-26 2017-05-26 Ultra-high definition low-distortion glass-plastic mixed 6.0mm prime lens Active CN107085283B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710386988.3A CN107085283B (en) 2017-05-26 2017-05-26 Ultra-high definition low-distortion glass-plastic mixed 6.0mm prime lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710386988.3A CN107085283B (en) 2017-05-26 2017-05-26 Ultra-high definition low-distortion glass-plastic mixed 6.0mm prime lens

Publications (2)

Publication Number Publication Date
CN107085283A true CN107085283A (en) 2017-08-22
CN107085283B CN107085283B (en) 2023-08-18

Family

ID=59609186

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710386988.3A Active CN107085283B (en) 2017-05-26 2017-05-26 Ultra-high definition low-distortion glass-plastic mixed 6.0mm prime lens

Country Status (1)

Country Link
CN (1) CN107085283B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109188654A (en) * 2018-10-30 2019-01-11 舜宇光学(中山)有限公司 Wide-angle lens
JP2019124744A (en) * 2018-01-12 2019-07-25 コニカミノルタ株式会社 Image capturing optical system and image capturing device
CN110187476A (en) * 2019-07-08 2019-08-30 东莞市宇瞳光学科技股份有限公司 A kind of tight shot that glass modeling is mixed
CN113568142A (en) * 2021-07-19 2021-10-29 江西欧迈斯微电子有限公司 Optical lens, camera module and electronic equipment
CN114397746A (en) * 2022-01-22 2022-04-26 深圳融合光学科技有限公司 Day and night dual-purpose prime lens and imaging method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07253540A (en) * 1994-03-15 1995-10-03 Hinode:Kk Zoom lens
JP2010060835A (en) * 2008-09-03 2010-03-18 Panasonic Corp Imaging lens and imaging apparatus using the same
CN205157868U (en) * 2015-10-28 2016-04-13 东莞市宇瞳光学科技股份有限公司 Tight shot with mixed structure is moulded to glass
CN106501922A (en) * 2016-12-27 2017-03-15 东莞市宇瞳光学科技股份有限公司 The low distortion tight shot of small-sized ultra-wide angle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07253540A (en) * 1994-03-15 1995-10-03 Hinode:Kk Zoom lens
JP2010060835A (en) * 2008-09-03 2010-03-18 Panasonic Corp Imaging lens and imaging apparatus using the same
CN205157868U (en) * 2015-10-28 2016-04-13 东莞市宇瞳光学科技股份有限公司 Tight shot with mixed structure is moulded to glass
CN106501922A (en) * 2016-12-27 2017-03-15 东莞市宇瞳光学科技股份有限公司 The low distortion tight shot of small-sized ultra-wide angle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019124744A (en) * 2018-01-12 2019-07-25 コニカミノルタ株式会社 Image capturing optical system and image capturing device
CN109188654A (en) * 2018-10-30 2019-01-11 舜宇光学(中山)有限公司 Wide-angle lens
CN110187476A (en) * 2019-07-08 2019-08-30 东莞市宇瞳光学科技股份有限公司 A kind of tight shot that glass modeling is mixed
CN113568142A (en) * 2021-07-19 2021-10-29 江西欧迈斯微电子有限公司 Optical lens, camera module and electronic equipment
CN114397746A (en) * 2022-01-22 2022-04-26 深圳融合光学科技有限公司 Day and night dual-purpose prime lens and imaging method thereof
CN114397746B (en) * 2022-01-22 2023-11-24 福建福光天瞳光学有限公司 Day and night fixed focus lens and imaging method thereof

Also Published As

Publication number Publication date
CN107085283B (en) 2023-08-18

Similar Documents

Publication Publication Date Title
CN105204140B (en) A kind of tight shot
CN105182507B (en) A kind of wide-angle tight shot
CN107085283A (en) A kind of glass modeling mixing 6.0mm tight shots of the low distortion of ultra high-definition
CN107102422A (en) A kind of large aperture ultra-wide angle ultra high-definition zoom lens
CN202003076U (en) Lens system
CN107065147B (en) Wide-angle ultra-large aperture high-definition prime lens
CN105242376B (en) A kind of imaging lens with temperature compensation function
CN206505215U (en) The big thang-kng small-sized wide-angle lens of 2.8mm
CN106597648A (en) Super-large-aperture high-definition fixed focus lens
CN206515544U (en) Small-sized super large aperture tight shot
CN105607234B (en) A kind of fish eye lens
CN106501922A (en) The low distortion tight shot of small-sized ultra-wide angle
CN106772941A (en) The big thang-kng small-sized wide-angle lens of 2.8mm
CN106772946A (en) Small-sized glass modeling mixing is without thermalization tight shot
CN204595310U (en) Camera lens
CN205157868U (en) Tight shot with mixed structure is moulded to glass
CN107367828A (en) A kind of large aperture 4K tight shots
CN107037570B (en) Athermalization high-definition prime lens
CN107436479A (en) Inexpensive large aperture 4MP is without thermalization tight shot
CN206039009U (en) Shooting lens
CN106772939A (en) Small-sized super large aperture tight shot
CN207380325U (en) A kind of long focus optical system
CN207123648U (en) Inexpensive large aperture 4MP is without thermalization tight shot
CN106772940A (en) The ultrashort starlight level camera lens of pixel high
CN206638872U (en) The low distortion tight shot of small-sized ultra-wide angle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Zhang Pinguang

Inventor after: He Jianwei

Inventor after: Liu Guanlu

Inventor after: Mao Caiying

Inventor before: He Jianwei

CB03 Change of inventor or designer information
GR01 Patent grant
GR01 Patent grant