CN114236776B - Glass-plastic mixed starlight level 8mm day and night monitoring lens and imaging method thereof - Google Patents

Glass-plastic mixed starlight level 8mm day and night monitoring lens and imaging method thereof Download PDF

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Publication number
CN114236776B
CN114236776B CN202210090526.8A CN202210090526A CN114236776B CN 114236776 B CN114236776 B CN 114236776B CN 202210090526 A CN202210090526 A CN 202210090526A CN 114236776 B CN114236776 B CN 114236776B
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lens
glass
image
equal
day
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CN114236776A (en
Inventor
谢振锋
何宇珊
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Fujian Forecam Tiantong Optics Co Ltd
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Fujian Forecam Tiantong Optics Co Ltd
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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
    • 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
    • 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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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Abstract

The application relates to a glass-plastic mixed star light level 8mm day and night monitoring lens, wherein a lens optical system comprises a first lens G1, a second lens P1, a third lens G2, a fourth lens P2, a fifth lens P3, a flat glass G3 and an image surface which are sequentially arranged from left to right along an incident light path, the first lens G1 is a glass lens, the second lens P1 is a plastic aspheric lens, a light wave surface is arranged between the first lens G1 and the second lens P1, the third lens G2 is a glass lens, and the fourth lens P2 and the fifth lens P3 adopt plastic aspheric lenses; the first lens G1 has negative focal power, the object side surface is a convex surface, and the image side surface is a concave surface; the second lens P1 has negative focal power, the object side surface is a concave surface, and the image side surface is a convex surface; the third lens G2 has positive focal power, the object side surface is a convex surface, and the image side surface is a convex surface; the fourth lens element P2 has negative refractive power, and has a convex object-side surface and a concave image-side surface; the fifth lens element P3 has positive refractive power, and has a convex object-side surface and a concave image-side surface. The structure is simple.

Description

Glass-plastic mixed starlight level 8mm day and night monitoring lens and imaging method thereof
Technical Field
The application relates to a glass-plastic mixed starlight level 8mm day and night monitoring lens and an imaging method thereof, and relates to the field of day and night monitoring.
Background
Most of the existing fixed focus monitoring lenses with the F number equal to 1.6 adopt glass-plastic mixed lenses with three or more pieces of glass, and the market needs to be met by re-optimizing the design structure on the premise of not reducing the F number along with the increasing demands of the gradual market competition and miniaturization of the lenses. An Aperture (Aperture) coefficient F value is a parameter used to characterize the size of an Aperture. The formula f=f/D (F: lens focal length, D: lens clear aperture).
The prior art has the defects that:
most of the existing 8mm monitoring lenses adopt 6 or 7 lens combinations, wherein the number of glass lenses (3 or 4 glass and three plastic structures) is large, the weight is heavy, and the unit price cost of the lens is high due to the fact that the number of glass lenses is large.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the application is to provide a glass-plastic mixed star light level 8mm day and night monitoring lens and an imaging method thereof.
In order to solve the technical problems, the technical scheme of the application is as follows: the optical system of the glass-plastic mixed star light level 8mm day and night monitoring lens comprises a first lens G1, a second lens P1, a third lens G2, a fourth lens P2, a fifth lens P3, a flat glass G3 and an image surface which are sequentially arranged from left to right along an incident light path, wherein the first lens G1 is a glass lens, the second lens P1 is a plastic aspheric lens, a light wave surface is arranged between the first lens G1 and the second lens P1, the third lens G2 is a glass lens, and the fourth lens P2 and the fifth lens P3 are plastic aspheric lenses; the first lens G1 has negative focal power, the object side surface is a convex surface, and the image side surface is a concave surface; the second lens P1 has negative focal power, the object side surface is a concave surface, and the image side surface is a convex surface; the third lens G2 has positive focal power, and the object side surface is a convex surface and the image side surface is a convex surface; the fourth lens element P2 has negative optical power, a convex object-side surface and a concave image-side surface; the fifth lens element P3 has positive refractive power, and has a convex object-side surface and a concave image-side surface.
Preferably, the system image plane D and the field angle DFOV size satisfy the following relational equation: 50 DEG < DFOV <56 DEG, 6.6mm < D <7.5mm, and the total system length is less than 22.5mm.
Preferably, the refractive indices n1 to n5 of the five lenses from left to right satisfy the following relation: n1 is more than or equal to 1.45 and less than or equal to 1.55,1.5, n2 is more than or equal to 1.7, n3 is more than or equal to 1.45 and less than or equal to 1.75,1.6, n4 is more than or equal to 1.7,1.52 and n5 is more than or equal to 1.6.
Preferably, the focal lengths f1 to f5 from left to right of the five lenses satisfy the following relation: -20-15, -75-55,6-15-4-5-4-15.
Preferably, the radii of curvature of the object side and the image side of the glass lens of the third lens G2 are equal and opposite.
An imaging method of a glass-plastic mixed star light level 8mm day and night monitoring lens is carried out according to the following steps: the light rays sequentially pass through the first lens G1, the second lens P1, the third lens G2, the fourth lens P2 and the fifth lens P3 from left to right and then are imaged.
Compared with the prior art, the application has the following beneficial effects: according to the scheme, through re-optimizing design, 2 glass lenses and 3 plastic aspheric lens structures are adopted, the quantity of the plastic lenses is increased by adjusting and reducing the quantity of the glass lenses, the weight and the volume of the lens are reduced on the premise that the performance of the lens is improved (the plastic aspheric lens is increased, the resolution of the lens is improved), the lens can be rapidly produced in a large scale, the cost is low, and the plastic aspheric lens has the competitive advantage (the current aspheric plastic lens mould and the forming technology are mature, and the plastic aspheric lens is convenient for mass production and has low cost).
The application will be described in further detail with reference to the drawings and the detailed description.
Drawings
Fig. 1 is a diagram of an optical system according to an embodiment of the present application.
Fig. 2 is a complex-color light diffraction MTF diagram of an embodiment of the present application.
Fig. 3 is a graph of field curvature distortion in accordance with an embodiment of the present application.
Fig. 4 is a vertical axis color difference chart of an embodiment of the present application.
In the figure: g1 first lens G1, P1 second lens P1, G2 third lens G2, P2 fourth lens P2, P3 fifth lens P3, G3 flat glass G3.
Description of the embodiments
The application will be further described with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
As shown in fig. 1 to 4, the embodiment provides a glass-plastic mixed star light level 8mm day and night monitoring lens, which is composed of 2 glass lenses G1, G2 and 3 plastic aspheric lenses P1, P2 and P3, and 5 lenses.
The optical system of the lens comprises a first lens G1, a second lens P1, a third lens G2, a fourth lens P2, a fifth lens P3, a flat glass G3 and an image plane which are sequentially arranged from left to right along an incident light path, wherein the left side is taken as an object side, and the right side is taken as an image side. The first lens G1 is a glass lens, the second lens P1 is a plastic aspheric lens, an optical wavefront is arranged between the first lens G1 and the second lens P1, the third lens G2 is a glass lens, and the fourth lens P2 and the fifth lens P3 are plastic aspheric lenses; the first lens G1 has negative focal power, the object side surface is a convex surface, and the image side surface is a concave surface; the second lens P1 has negative focal power, the object side surface is a concave surface, and the image side surface is a convex surface; the third lens G2 has positive focal power, and the object side surface is a convex surface and the image side surface is a convex surface; the fourth lens element P2 has negative optical power, a convex object-side surface and a concave image-side surface; the fifth lens element P3 has positive refractive power, and has a convex object-side surface and a concave image-side surface.
In the embodiment of the application, the system image plane D and the field angle DFOV satisfy the following relational equation: 50 DEG < DFOV <56 DEG, 6.6mm < D <7.5mm, and the total system length is less than 22.5mm.
In the embodiment of the application, the refractive indexes n1 to n5 of the five lenses from left to right satisfy the following relation: n1 is more than or equal to 1.45 and less than or equal to 1.55,1.5, n2 is more than or equal to 1.7, n3 is more than or equal to 1.45 and less than or equal to 1.75,1.6, n4 is more than or equal to 1.7,1.52 and n5 is more than or equal to 1.6.
In the embodiment of the application, the focal lengths f1 to f5 from left to right of the five lenses satisfy the following relation: -20-15, -75-55,6-15-4-5-4-15.
In the embodiment of the present application, the radii of curvature of the object side surface and the image side surface of the glass lens of the third lens G2 are equal and opposite.
An imaging method of a glass-plastic mixed star light level 8mm day and night monitoring lens is carried out according to the following steps: the light rays sequentially pass through the first lens G1, the second lens P1, the third lens G2, the fourth lens P2 and the fifth lens P3 from left to right and then are imaged. The optical system can be normally used at night or within 80 DEG at high temperature and at an environmental temperature of over-30 DEG at low temperature by selecting different glass materials to match and distributing the focal power of different lenses except at normal temperature in daytime.
In the embodiment of the application, specific parameters of each lens are as follows:
the aspherical coefficients of the plastic lens are as follows:
wherein the aspherical lens face equation is as follows:
wherein, the parameter c is the curvature corresponding to the radius, r is the radial coordinate, the unit is the same as the lens length unit, k is the conic coefficient, the surface shape curve is hyperbolic when the k coefficient is smaller than-1, the parabola is parabolic when the k coefficient is equal to-1, the ellipse is when the k coefficient is between-1 and 0, the circle is when the k coefficient is equal to 0, the oblate is when the k coefficient is greater than 0, and alpha 1 to alpha 8 respectively represent the coefficients corresponding to the radial coordinates, and the shape and the size of the aspherical lens can be accurately set through the parameters.
The design scheme has the advantages that:
1. the glass lenses in the optical system are reduced from three or four to two, so that the weight and the cost are reduced.
2. The first lens is made of glass lenses and is used for plastic aspheric lenses relative to the first lens, and the glass lenses have good stability and wear resistance, so that the lenses have better stability and service life when used outdoors for a long time.
3. The second glass lens G2 is designed into a biconvex lens, and the curvature radiuses of the two sides are the same, so that the lens processing is convenient, the processing cost is further reduced, the later assembly production is also convenient, and the front side and the back side do not need to be distinguished in the assembly production due to the fact that the curvature radiuses of the two sides are the same, and the assembly efficiency is improved.
The above description is only a preferred embodiment of the present application, and is not intended to limit the application in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present application still fall within the protection scope of the technical solution of the present application.

Claims (4)

1. Glass is moulded and is mixed star light level 8mm day night monitored control lens, its characterized in that: the optical system of the lens comprises a first lens G1, a second lens P1, a third lens G2, a fourth lens P2, a fifth lens P3, plate glass G3 and an image surface which are sequentially arranged from left to right along an incident light path, wherein the parts with optical refractive power in the day and night monitoring lens are only the five lenses, the first lens G1 is a glass lens, the second lens P1 is a plastic aspheric lens, an optical wave surface is arranged between the first lens G1 and the second lens P1, the third lens G2 is a glass lens, and the fourth lens P2 and the fifth lens P3 adopt plastic aspheric lenses; the first lens G1 has negative focal power, the object side surface is a convex surface, and the image side surface is a concave surface; the second lens P1 has negative focal power, the object side surface is a concave surface, and the image side surface is a convex surface; the third lens G2 has positive focal power, and the object side surface is a convex surface and the image side surface is a convex surface; the fourth lens element P2 has negative optical power, a convex object-side surface and a concave image-side surface; the fifth lens P3 has positive focal power, the object-side surface is a convex surface, and the image-side surface is a concave surface; the system image plane D and the field angle DFOV size satisfy the following relational equation: 50 DEG < DFOV <56 DEG, 6.6mm < D <7.5mm, satisfying the use of 1/2.7 and 1/2.8 inch chips on the market, the total length of the system is less than 22.5mm; the refractive indexes n 1-n 5 of the five lenses from left to right satisfy the following relation: n1 is more than or equal to 1.45 and less than or equal to 1.55,1.5, n2 is more than or equal to 1.7, n3 is more than or equal to 1.45 and less than or equal to 1.75,1.6, n4 is more than or equal to 1.7,1.52 and n5 is more than or equal to 1.6.
2. The glass-plastic mixed starlight level 8mm day and night monitoring lens according to claim 1, wherein: the focal lengths f 1-f 5 of the five lenses from left to right satisfy the following relation: -20-15, -75-55,6-15-4-5-4-15.
3. The glass-plastic mixed starlight level 8mm day and night monitoring lens according to claim 1, wherein: the radii of curvature of the object side surface and the image side surface of the glass lens of the third lens G2 are equal and opposite.
4. A method for imaging a glass-plastic mixed starlight level 8mm day and night monitoring lens as claimed in any one of claims 1-3, comprising the following steps: the light rays sequentially pass through the first lens G1, the second lens P1, the third lens G2, the fourth lens P2 and the fifth lens P3 from left to right and then are imaged.
CN202210090526.8A 2022-01-26 2022-01-26 Glass-plastic mixed starlight level 8mm day and night monitoring lens and imaging method thereof Active CN114236776B (en)

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Citations (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07281089A (en) * 1994-04-12 1995-10-27 Olympus Optical Co Ltd Photographing lens
JPH08320433A (en) * 1995-05-24 1996-12-03 Fuji Photo Optical Co Ltd Wide-angle lens
JPH09179023A (en) * 1995-12-25 1997-07-11 Asahi Optical Co Ltd Wide-angle soft-focus lens
JPH1078545A (en) * 1996-09-05 1998-03-24 Hitachi Ltd Wide angle lens
JP2010049264A (en) * 2009-09-14 2010-03-04 Sony Corp Imaging device
CN101819315A (en) * 2009-02-27 2010-09-01 柯尼卡美能达精密光学株式会社 Image pickup lens, image pickup apparatus, and mobile terminal
JP2010243711A (en) * 2009-04-03 2010-10-28 Ricoh Co Ltd Wide-angle lens and imaging apparatus
TW201126197A (en) * 2010-01-19 2011-08-01 Largan Precision Co Ltd Optical photographing lens assembly
KR20140056494A (en) * 2012-10-26 2014-05-12 쓰리에이치비젼주식회사 Optical system
CN104749750A (en) * 2013-12-31 2015-07-01 Kolen株式会社 Optical lens system
CN105242376A (en) * 2015-10-28 2016-01-13 东莞市宇瞳光学科技有限公司 Imaging lens unit with temperature compensation function
CN205015552U (en) * 2015-10-13 2016-02-03 利达光电股份有限公司 Mixed camera lens is moulded to confocal glass of large aperture day night
JP2016045354A (en) * 2014-08-22 2016-04-04 京セラ株式会社 Image capturing lens and image capturing device
CN108646387A (en) * 2018-06-26 2018-10-12 江西联创电子有限公司 Day and night monitoring camera
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
CN110989147A (en) * 2019-12-18 2020-04-10 福建福光股份有限公司 Small-size day-night confocal wide-angle lens and working method thereof
CN111487752A (en) * 2020-03-31 2020-08-04 福建福光股份有限公司 6mm starlight-level day and night dual-purpose ultrahigh glass-plastic mixed prime lens
CN211478739U (en) * 2020-01-07 2020-09-11 深圳融合光学科技有限公司 Small-sized day and night dual-purpose glass-plastic mixed athermalized fixed-focus lens
CN111929867A (en) * 2020-08-03 2020-11-13 凤凰光学股份有限公司 Day and night high-low temperature confocal optical lens
CN112859299A (en) * 2021-03-19 2021-05-28 舜宇光学(中山)有限公司 Fixed focus lens
WO2021120056A1 (en) * 2019-12-18 2021-06-24 Huawei Technologies Co., Ltd. Fisheye lens system, camera module and electronic apparatus
CN213780524U (en) * 2020-12-31 2021-07-23 深圳融合光学科技有限公司 Day and night zooming large-aperture monitoring system camera lens
JP2021139955A (en) * 2020-03-02 2021-09-16 株式会社リコー Image capturing optical system, camera device, and stereo camera device
CN113484995A (en) * 2021-08-20 2021-10-08 东莞市长益光电有限公司 Large-aperture athermalized 8MP glass-plastic hybrid lens
CN217085394U (en) * 2022-01-26 2022-07-29 深圳融合光学科技有限公司 Wave-plastic mixed star light level 8mm day and night monitoring lens

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6587292B2 (en) * 2017-06-02 2019-10-09 カンタツ株式会社 Imaging lens
TWI657284B (en) * 2017-07-21 2019-04-21 先進光電科技股份有限公司 Optical image capturing system

Patent Citations (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07281089A (en) * 1994-04-12 1995-10-27 Olympus Optical Co Ltd Photographing lens
JPH08320433A (en) * 1995-05-24 1996-12-03 Fuji Photo Optical Co Ltd Wide-angle lens
JPH09179023A (en) * 1995-12-25 1997-07-11 Asahi Optical Co Ltd Wide-angle soft-focus lens
JPH1078545A (en) * 1996-09-05 1998-03-24 Hitachi Ltd Wide angle lens
CN101819315A (en) * 2009-02-27 2010-09-01 柯尼卡美能达精密光学株式会社 Image pickup lens, image pickup apparatus, and mobile terminal
JP2010243711A (en) * 2009-04-03 2010-10-28 Ricoh Co Ltd Wide-angle lens and imaging apparatus
JP2010049264A (en) * 2009-09-14 2010-03-04 Sony Corp Imaging device
TW201126197A (en) * 2010-01-19 2011-08-01 Largan Precision Co Ltd Optical photographing lens assembly
KR20140056494A (en) * 2012-10-26 2014-05-12 쓰리에이치비젼주식회사 Optical system
CN104749750A (en) * 2013-12-31 2015-07-01 Kolen株式会社 Optical lens system
JP2016045354A (en) * 2014-08-22 2016-04-04 京セラ株式会社 Image capturing lens and image capturing device
CN205015552U (en) * 2015-10-13 2016-02-03 利达光电股份有限公司 Mixed camera lens is moulded to confocal glass of large aperture day night
CN105242376A (en) * 2015-10-28 2016-01-13 东莞市宇瞳光学科技有限公司 Imaging lens unit with temperature compensation function
CN108646387A (en) * 2018-06-26 2018-10-12 江西联创电子有限公司 Day and night monitoring camera
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
WO2021120056A1 (en) * 2019-12-18 2021-06-24 Huawei Technologies Co., Ltd. Fisheye lens system, camera module and electronic apparatus
CN110989147A (en) * 2019-12-18 2020-04-10 福建福光股份有限公司 Small-size day-night confocal wide-angle lens and working method thereof
CN211478739U (en) * 2020-01-07 2020-09-11 深圳融合光学科技有限公司 Small-sized day and night dual-purpose glass-plastic mixed athermalized fixed-focus lens
JP2021139955A (en) * 2020-03-02 2021-09-16 株式会社リコー Image capturing optical system, camera device, and stereo camera device
CN111487752A (en) * 2020-03-31 2020-08-04 福建福光股份有限公司 6mm starlight-level day and night dual-purpose ultrahigh glass-plastic mixed prime lens
CN111929867A (en) * 2020-08-03 2020-11-13 凤凰光学股份有限公司 Day and night high-low temperature confocal optical lens
CN213780524U (en) * 2020-12-31 2021-07-23 深圳融合光学科技有限公司 Day and night zooming large-aperture monitoring system camera lens
CN112859299A (en) * 2021-03-19 2021-05-28 舜宇光学(中山)有限公司 Fixed focus lens
CN113484995A (en) * 2021-08-20 2021-10-08 东莞市长益光电有限公司 Large-aperture athermalized 8MP glass-plastic hybrid lens
CN217085394U (en) * 2022-01-26 2022-07-29 深圳融合光学科技有限公司 Wave-plastic mixed star light level 8mm day and night monitoring lens

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