CN109061839A - A kind of superstar lighting level high definition optical lens - Google Patents
A kind of superstar lighting level high definition optical lens Download PDFInfo
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- CN109061839A CN109061839A CN201811154658.2A CN201811154658A CN109061839A CN 109061839 A CN109061839 A CN 109061839A CN 201811154658 A CN201811154658 A CN 201811154658A CN 109061839 A CN109061839 A CN 109061839A
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- lens
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- lighting level
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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
-
- 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
Abstract
The invention discloses a kind of superstar lighting level high definition optical lens, including the first lens set gradually from object plane to image planes along optical axis, second lens, the third lens, 4th lens, 5th lens, 6th lens, 7th lens, 8th lens, 9th lens, tenth lens, 11st lens and sensitive chip, diaphragm is set between 6th lens and the 7th lens, said lens are glass spherical lens, first lens, second lens, the third lens, 4th lens, 5th lens, 6th lens, 7th lens, 8th lens, 9th lens, tenth lens, the focal length of 11st lens is successively negative, it is negative, just, just, just, it is negative, just, it is negative, just, just, just.The camera lens all uses glass lens, at low cost, and high resolution.
Description
Technical field
The invention belongs to optical lens technology fields, more particularly, to a kind of superstar lighting level high definition optical lens.
Background technique
Superstar light microscopic head matches corresponding video camera compared with traditional cameras, under extremely low illumination, is able to achieve brilliance
Color image of visual effect, image, resolution and color rendition degree can be improved significantly, can satisfy under low-illumination scene
The requirement of full-color imaging, General Promotion night monitoring effect, provides colored, clear, bright monitored picture, is effectively promoted
To the capture ability of detailed information.With the development of science and technology and full-color high-definition monitoring is widely used, and mentions to superstar light microscopic head
Higher requirement is gone out.
Chinese patent (publication number CN108388004 A) discloses a kind of starlight grade high definition day and night confocal optics camera lens, belongs to
Optical lens technology field comprising the first lens for setting gradually from object plane to image planes along optical axis, the second lens, third are saturating
Mirror, the 4th lens, the 5th lens, the 6th lens, the 7th lens and sensitive chip are set between second lens and the third lens
Diaphragm is set, first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens are that glass spherical surface is saturating
Mirror, the 7th lens are plastic aspheric lenes, first lens, the second lens, the third lens, the 4th lens, the 5th
The focal length of lens, the 6th lens and the 7th lens is followed successively by negative, positive, negative, positive, positive and negative, just.The patent camera lens F number is 1.6,
Luminous flux is insufficient, is not able to satisfy the requirement that picture limpid in sight is presented under conditions of night is unglazed, and resolution ratio is low.
Chinese patent (publication number CN102967924A) discloses a kind of optical lens, includes from object space
The first lens, the second lens, the third lens, the 4th lens, the 5th lens, are successively arranged on to image space common optical axis straight line
Six lens, the 7th lens, the 8th lens, the 9th lens and the tenth lens are equipped with diaphragm between the third lens and the 4th lens,
5th lens, the 6th lens, the 7th lens are three gluings for reducing the color difference problem of visible light and the confocal generation of infrared light
Lens.The patent is a camera lens for neglecting the big target surface in rink corner, and for field angle at 38 °, field angle is small.
Summary of the invention
In view of this, in view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of superstar lighting level high definition optical frames
Head, which all uses glass lens, at low cost, and high resolution.
In order to achieve the above objectives, the invention adopts the following technical scheme:
A kind of superstar lighting level high definition optical lens, including set gradually from object plane to image planes along optical axis the first lens, second thoroughly
Mirror, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens, the 8th lens, the 9th lens, the tenth lens,
11 lens and sensitive chip, are arranged diaphragm between the 6th lens and the 7th lens, said lens are that glass spherical surface is saturating
Mirror, first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens, the 8th are thoroughly
Mirror, the 9th lens, the tenth lens, the 11st lens focal length be successively negative, be negative, positive, just, it is positive and negative, positive and negative, just, just, just.
Further, camera lens is large aperture camera lens, FNo.=0.95.
Further, optical filter and protection glass are set gradually between the 11st lens and sensitive chip.
Further, first lens are plano-concave shape lens, and the second lens are negative meniscus lens, and the third lens are positive
Meniscus shaped lens, the 4th lens are biconvex lens, and the 5th lens are positive meniscus shaped lens, and the 6th lens are negative meniscus lens,
7th lens are biconvex lens, and the 8th lens are biconcave lens, and the 9th lens are biconvex lens, and the tenth lens are plano-convex lens,
11st lens are positive meniscus lens.
Further, first lens are low dispersing lens, meet 65 < Vd < 82；Second lens are that high dispersion is saturating
Mirror meets Vd≤30；The third lens are high-refractivity and low-dispersion lens, meet 1.8,40 < Vd < 70 of Nd >；4th lens are
High refractive index lens meet Nd > 1.92；5th lens are ultra-low dispersion lens, meet Vd > 80；6th lens are low dispersion
Lens meet Vd > 60；7th lens are ultra-low dispersion lens, meet Vd > 65；8th lens are high dispersing lens, meet Vd
≤30；9th lens are ultra-low dispersion lens, meet Vd > 65；Tenth lens are ultra-low dispersion lens, meet Vd > 80；Tenth
One lens are ultra-low dispersion lens, meet Vd > 65；Wherein Nd indicates that the d optical index of eyeglass, Vd indicate that the Abbe of eyeglass is normal
Number.
Further, the size of the sensitive chip is 1/1.8 ", resolution ratio is 8,000,000 pixels.
The beneficial effects of the present invention are:
1, the field angle of camera lens of the present invention is 70 °, resolution ratio 8MP, high resolution.
2, the material of the third lens, the 4th lens, the 6th lens, the 8th lens is limited to by the present invention in the design process
The material of high refractive index, to reach the effect of large aperture.
3, the present invention carries out unsurpassed correction to color difference and second order spectrum, so that mirror by the use of above-mentioned eyeglass
Head portrait difference reduces, to solve the problems, such as high temperature performance and camera lens Aberration Problem.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the optical lens of the embodiment of the present invention 1；
Fig. 2 is the spherical aberration curve graph of optical lens in the embodiment of the present invention 1；
Fig. 3 is the curvature of field and distortion curve of optical lens in the embodiment of the present invention 1；
Fig. 4 is the chromatic curve figure of optical lens in the embodiment of the present invention 1；
Fig. 5 is the MTF curve figure of optical lens in the embodiment of the present invention 1.
In figure: the first lens of 1-, the second lens of 2-, 3- the third lens, the 4th lens of 4-, the 5th lens of 5-, 6- the 6th are saturating
Mirror, the 7th lens of 7-, the 8th lens of 8-, the 9th lens of 9-, the tenth lens of 10-, the 11st lens of 11-, 12- diaphragm, 13- filter
Mating plate, 14- protect glass, 15- sensitive chip.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figure 1, a kind of superstar lighting level high definition optical lens, first including setting gradually from object plane to image planes along optical axis is saturating
Mirror 1, the second lens 2, the third lens 3, the 4th lens 4, the 5th lens 5, the 6th lens 6, the 7th lens 7, the 8th lens 8,
Nine lens 9, the tenth lens 10, the 11st lens 11 and sensitive chip 15, wherein being arranged between the 6th lens 6 and the 7th lens 7
Diaphragm 12 sets gradually optical filter 13 and protection glass 14, said lens between the 11st lens 11 and sensitive chip 15
Be glass spherical lens, the first lens 1, the second lens 2, the third lens 3, the 4th lens 4, the 5th lens 5, the 6th lens 6,
7th lens 7, the 8th lens 8, the 9th lens 9, the tenth lens 10, the 11st lens 11 focal length be successively negative, be negative, positive, just,
It is positive and negative, positive and negative, just, just, just；Camera lens is large aperture camera lens, FNo.=0.95.
In said lens: the first lens 1 are plano-concave shape lens, and the second lens 2 are negative meniscus lens, and the third lens 3 are
Positive meniscus shaped lens, the 4th lens 4 are biconvex lens, and the 5th lens 5 are positive meniscus shaped lens, and the 6th lens 6 are negative meniscus
Lens, the 7th lens 7 are biconvex lens, and the 8th lens 8 are biconcave lens, and the 9th lens 9 are biconvex lens, and the tenth lens 10 are
Plano-convex lens, the 11st lens 11 are positive meniscus lens.
In said lens: first lens 1 are low dispersing lens, meet 65 < Vd < 82；Second lens 2 are high dispersion
Lens meet Vd≤30；The third lens 3 are high-refractivity and low-dispersion lens, meet 1.8,40 < Vd < 70 of Nd >；4th lens
4 be high refractive index lens, meets Nd > 1.92；5th lens 5 are ultra-low dispersion lens, meet Vd > 80；6th lens 6 are low
Dispersing lens meets Vd > 60；7th lens 7 are ultra-low dispersion lens, meet Vd > 65；8th lens 8 are high dispersing lens,
Meet Vd≤30；9th lens 9 are ultra-low dispersion lens, meet Vd > 65；Tenth lens 10 are ultra-low dispersion lens, meet Vd
> 80；11st lens 11 are ultra-low dispersion lens, meet Vd > 65；Wherein Nd indicates that the d optical index of eyeglass, Vd indicate mirror
The Abbe constant of piece.
The eyeglass that the present invention uses is more, wherein the first lens, the second lens are in order to reduce aberration to there is a lens
It is recessed to be split into two less concavees lens of bending, while the first face lens R1 is convex surface, is conducive to the correction of distortion.
The third lens and the 4th lens use high refractive index material, and refractive index is both greater than 1.8, in strong deviation light
Meanwhile respective bending degree is reduced, to be conducive to the correction of spherical aberration, coma, and senior aberration can be substantially reduced.Favorably
In the minimum of residual aberration.
5th the 6th cemented doublet, the 7th the 8th the 9th 3 balsaming lens, positive light coke degree lens all use low dispersion
Lens are used to correcting chromatic aberration and second order spectrum, while being corrected coma and chromatic longitudiinal aberration using class symmetry.To reduce camera lens
Disc of confusion size.
Tenth lens, the 11st lens are high-refractivity and low-dispersion lens, for correcting spherical aberration, the color of incident light remnants
Difference and astigmatism.
The present invention makes camera lens achieve the effect that (FNo. reaches 1.6=unthreaded hole/coke to large aperture in the material by limiting lens
Away from=4.8mm/3.0mm).
When initial design, using conventional material lens, found in high/low temperature reliability Simulation evaluation, " high temperature (+80 DEG C)
When mechanism after burnt variable quantity "-" high temperature (+80 DEG C) optic back focal variable quantity " be more than+0.015mm；" after low temperature (- 40 DEG C) mechanism
Burnt variable quantity "-" low temperature (- 40 DEG C) optic back focal variable quantity " is more than that -0.015mm and previous camera lens high temperature performance differ not
Greatly, the present invention makes up burnt variation after high/low temperature, present " high temperature (+80 by the use of 3 pieces or more of ultra-low dispersion material lens
DEG C) when mechanism after burnt variable quantity "-" high temperature (+80 DEG C) optic back focal variable quantity " be no more than ± 0.002mm；" low temperature (- 40 DEG C)
Burnt variable quantity after mechanism "-" low temperature (- 40 DEG C) optic back focal variable quantity " is no more than ± 0.002 mm, to color difference and second order spectrum
Unsurpassed correction is carried out, so that camera lens aberration reduces, to solve the problems, such as high temperature performance and camera lens Aberration Problem.
Enumerate a field angle be 70 °, resolution ratio be 8,000,000 pixels, mechanical overall length be 46mm within, can -40 DEG C ~+
The actual design embodiment worked normally in the environment of 80 DEG C:
1 system data of table
In above-mentioned table 1:
What face number 1 and 2 respectively indicated is the first face and the second face of the first lens 1, and the material of the first lens 1 is H-QK3L；
What face number 3 and 4 respectively indicated is the first face and the second face of the second lens 2, and the material of the second lens 2 is H-ZF11；
What face number 5 and 6 respectively indicated is the first face and the second face of the third lens 3, and the material of the third lens 3 is H-
ZLAF69；
What face number 7 and 8 respectively indicated is the first face and the second face of the 4th lens 4, and the material of the 4th lens 4 is H-
ZLZF89L；
What face number 9 and 10 respectively indicated is the first face and the second face of the 5th lens 5, and the material of the 5th lens 5 is FCD1；
What face number 10 and 11 respectively indicated is the first face and the second face of the 6th lens 6, and the material of the 6th lens 6 is H-K11；
What face number 13 and 14 respectively indicated is the first face and the second face of the 7th lens 7, and the substrate material of the 7th lens 7 is
FCD515；
What face number 14 and 15 respectively indicated is the first face and the second face of the 8th lens 8, and the substrate material of the 8th lens 8 is H-
ZF3；
What face number 15 and 16 respectively indicated is the first face and the second face of the 9th lens 9, and the substrate material of the 9th lens 9 is
FCD515；
What face number 17 and 18 respectively indicated is the first face and the second face of the tenth lens 10, and the substrate material of the tenth lens 10 is
FCD1；
What face number 19 and 20 respectively indicated is the first face and the second face of the 11st lens 11, the substrate material of the 11st lens 11
Matter is FCD515；
What face number 21 and 22 respectively indicated is the first face and the second face for protecting glass 13, and the substrate material of protection glass 13 is
H-K9L；
What face number 23 and 24 respectively indicated is the first face and the second face for protecting glass 14, and the substrate material of protection glass 13 is
H-K9L；
Wherein, first face refers to the one side towards object plane side, and the second face refers to the one side towards image planes.
Every testing result of the camera lens is shown in attached drawing 2-5, and spherical aberration is remedied within ± 0.035mm in Fig. 2, in spectral bandwidth
Interior spherical aberration correction it is relatively good, can increase the tidiness of camera lens real scene shooting picture in this way；Fig. 3 shows that astigmatism and the curvature of field can be remedied to
Suitable range enables the resolving power of meridian close with the resolving power in sagitta of arc direction, and the camera lens picture resolving power is uniform；Figure
Chromatic longitudiinal aberration in 4, f light, d light, c light are with respect to chromatic longitudiinal aberration within 1.5 μm, and g light chromatic longitudiinal aberration is within 5 μm, chromatic aberration correction
It is preferable, our camera lens solutions can be met as quality requirements；The MTF curve figure of Fig. 5 shows within central vision and 0.7 visual field,
The spatial frequency of 200cycles/mm has higher acutance, illustrates that the camera lens has excellent resolving power, high resolution.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, this field is common
Other modifications or equivalent replacement that technical staff makes technical solution of the present invention, without departing from technical solution of the present invention
Spirit and scope, be intended to be within the scope of the claims of the invention.
Claims (6)
1. a kind of superstar lighting level high definition optical lens, it is characterised in that: including set gradually from object plane to image planes along optical axis
One lens (1), the second lens (2), the third lens (3), the 4th lens (4), the 5th lens (5), the 6th lens (6), the 7th are thoroughly
Mirror (7), the 8th lens (8), the 9th lens (9), the tenth lens (10), the 11st lens (11) and sensitive chip (15), it is described
Diaphragm (12) are set between 6th lens (6) and the 7th lens (7), said lens are glass spherical lens, and described first thoroughly
Mirror (1), the second lens (2), the third lens (3), the 4th lens (4), the 5th lens (5), the 6th lens (6), the 7th lens
(7), the 8th lens (8), the 9th lens (9), the tenth lens (10), the 11st lens (11) focal length be successively negative, be negative, positive,
Just, positive and negative, positive and negative, just, just, just.
2. a kind of superstar lighting level high definition optical lens according to claim 1, it is characterised in that: camera lens is large aperture mirror
Head, FNo.=0.95.
3. a kind of superstar lighting level high definition optical lens according to claim 1, it is characterised in that: the 11st lens
(11) optical filter (13) and protection glass (14) are set gradually between sensitive chip (15).
4. a kind of superstar lighting level high definition optical lens according to claim 1, it is characterised in that: first lens (1)
For plano-concave shape lens, the second lens (2) are negative meniscus lens, and the third lens (3) are positive meniscus shaped lens, the 4th lens (4)
For biconvex lens, the 5th lens (5) are positive meniscus shaped lens, and the 6th lens (6) are negative meniscus lens, and the 7th lens (7) are
Biconvex lens, the 8th lens (8) are biconcave lens, and the 9th lens (9) are biconvex lens, and the tenth lens (10) are plano-convex lens,
11st lens (11) are positive meniscus lens.
5. a kind of superstar lighting level high definition optical lens according to claim 1, it is characterised in that: first lens (1)
For low dispersing lens, meet 65 < Vd < 82；Second lens (2) are high dispersing lens, meet Vd≤30；The third lens (3) are
High-refractivity and low-dispersion lens meet 1.8,40 < Vd < 70 of Nd >；4th lens (4) are high refractive index lens, meet Nd >
1.92；5th lens (5) are ultra-low dispersion lens, meet Vd > 80；6th lens (6) are low dispersing lens, meet Vd > 60；
7th lens (7) are ultra-low dispersion lens, meet Vd > 65；8th lens (8) are high dispersing lens, meet Vd≤30；9th
Lens (9) are ultra-low dispersion lens, meet Vd > 65；Tenth lens (10) are ultra-low dispersion lens, meet Vd > 80；11st
Lens (11) are ultra-low dispersion lens, meet Vd > 65；Wherein Nd indicates that the d optical index of eyeglass, Vd indicate the Abbe of eyeglass
Constant.
6. a kind of superstar lighting level high definition optical lens according to claim 1, it is characterised in that: the sensitive chip (15)
Size be 1/1.8 ", resolution ratio be 8,000,000 pixels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811154658.2A CN109061839A (en) | 2018-09-30 | 2018-09-30 | A kind of superstar lighting level high definition optical lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811154658.2A CN109061839A (en) | 2018-09-30 | 2018-09-30 | A kind of superstar lighting level high definition optical lens |
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| Publication Number | Publication Date |
|---|---|
| CN109061839A true CN109061839A (en) | 2018-12-21 |
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ID=64766942
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811154658.2A Pending CN109061839A (en) | 2018-09-30 | 2018-09-30 | A kind of superstar lighting level high definition optical lens |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285882A (en) * | 2020-10-09 | 2021-01-29 | 浙江大华技术股份有限公司 | Optical imaging lens and monitor |
| CN113219638A (en) * | 2021-04-28 | 2021-08-06 | 江苏大学 | Ultra-wide-angle high-definition monitoring lens device, monitoring system and correction algorithm |
-
2018
- 2018-09-30 CN CN201811154658.2A patent/CN109061839A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285882A (en) * | 2020-10-09 | 2021-01-29 | 浙江大华技术股份有限公司 | Optical imaging lens and monitor |
| CN113219638A (en) * | 2021-04-28 | 2021-08-06 | 江苏大学 | Ultra-wide-angle high-definition monitoring lens device, monitoring system and correction algorithm |
| CN113219638B (en) * | 2021-04-28 | 2022-07-22 | 江苏大学 | Ultra-wide-angle high-definition monitoring lens device, monitoring system and correction algorithm |
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