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 PDFInfo
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- 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
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- lens
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- ultra high
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- focal length
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Classifications
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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
- 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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
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- 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
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.
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CN201710386988.3A CN107085283B (en) | 2017-05-26 | 2017-05-26 | Ultra-high definition low-distortion glass-plastic mixed 6.0mm prime lens |
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CN201710386988.3A CN107085283B (en) | 2017-05-26 | 2017-05-26 | Ultra-high definition low-distortion glass-plastic mixed 6.0mm prime lens |
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CN107085283B CN107085283B (en) | 2023-08-18 |
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Cited By (5)
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)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
-
2017
- 2017-05-26 CN CN201710386988.3A patent/CN107085283B/en active Active
Patent Citations (4)
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)
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 |
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