CN107783365A - The big relay lens optical system of high-precision small range simulated range - Google Patents
The big relay lens optical system of high-precision small range simulated range Download PDFInfo
- Publication number
- CN107783365A CN107783365A CN201711192926.5A CN201711192926A CN107783365A CN 107783365 A CN107783365 A CN 107783365A CN 201711192926 A CN201711192926 A CN 201711192926A CN 107783365 A CN107783365 A CN 107783365A
- Authority
- CN
- China
- Prior art keywords
- lens
- optical system
- precision small
- refractive index
- abbe number
- 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.)
- Pending
Links
Classifications
-
- 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
- G03B43/00—Testing correct operation of photographic apparatus or parts thereof
Abstract
The application is related to relaying lens head, includes successively from object plane to image planes along optical axis：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens；By instrumentality away from so as to change image distance, the image distance of diverse location is simulated, so that the camera lens of test realizes that the shooting of different focal is tested by the application optical system.This optical system is by the way that the lens 7 of the first lens 1 to the 7th are reasonably arranged in pairs or groups, the characteristics of using each eyeglass self structure, so that distance of picture of the object through the optical system from closely simulating infinity practical adjustments is very short, adjustable range only has 4mm, shooting object (generally test pattern) is only needed within relative optical system relative movement 4mm, and 0.2m can be simulated to infinity by the distance of optical system imaging.
Description
【Technical field】
The application is related to relaying lens head, more particularly to the relay lens optical system that high-precision small range simulated range is big.
【Background technology】
With the fast development of pick-up lens and chip technology, the chip and camera of high pixel instead of low pixel
Camera, high-pixel camera module are also required to detect to remote image quality, and the camera of general high pixel will
3m and more remote image quality are detected, then needs to take bigger space with the detection method of routine, and uses relay lens
It is then to solve this problem, the picture under the different measuring distance states of needs can be shot with relatively short simulated range
Face, to be evaluated and tested to the image quality of high-pixel camera, test space scope is effectively reduced, reduces cost；Often
The scope of the relay lens of rule is bigger, most of all more than tens millimeters, can also be taken so for test platform big
Scope.
【The content of the invention】
Bigger to solve the scope of relay lens conventional in the prior art, this application provides the simulation of high-precision small range
Apart from big relay lens optical system and relay lens relay lens optical system and should the optical system relay lens.
The application is achieved through the following technical solutions：
The big relay lens optical system of high-precision small range simulated range, includes successively along optical axis：It is first lens, second saturating
Mirror, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens；
The first lens object plane side is plane, and image planes side is convex surface；
The second lens object plane side is plane, and image planes side is concave surface；
The 3rd lens object plane side is concave surface, and image planes side is convex surface；
The 4th lens object plane side is convex surface, and image planes side is concave surface；
The 5th lens object plane side is convex surface, and image planes side is convex surface；
The 6th lens object plane side is concave surface, and image planes side is convex surface；
The 7th lens object plane side is convex surface, and image planes side is plane.
The big relay lens optical system of high-precision small range simulated range as described above, the optical system also meets as follows
Condition：
(1)1.75<Nd1<1.95；20<Vd1<35；
(2)1.75<Nd2<1.95；20<Vd2<35；
(3)1.45<Nd3<1.60；65<Vd3<85；
(4)1.75<Nd4<1.95；20<Vd4<35；
(5)1.75<Nd5<1.95；20<Vd5<35；
(6)1.45<Nd6<1.60；65<Vd6<85；
(7)1.75<Nd7<1.95；20<Vd7<35.
Wherein, Nd1 is the refractive index of the first lens, and Vd1 is the abbe number of the first lens；Nd2 is the folding of the second lens
Rate is penetrated, Vd2 is the abbe number of the second lens；Nd3 is the refractive index of the 3rd lens, and Vd3 is the abbe number of the 3rd lens；
Nd4 is the refractive index of the 4th lens, and Vd4 is the abbe number of the 4th lens；Nd5 is the refractive index of the 5th lens, and Vd5 is the 5th
The abbe number of lens；Nd6 is the refractive index of the 6th lens, and Vd6 is the abbe number of the 6th lens；Nd7 is the 7th lens
Refractive index, Vd7 are the abbe number of the 7th lens.
The big relay lens optical system of high-precision small range simulated range as described above, first power of lens
It is negative, its focal length f1 is -35mm.
The big relay lens optical system of high-precision small range simulated range as described above, second power of lens
It is negative, its focal length f2 is -38mm.
The big relay lens optical system of high-precision small range simulated range as described above, the 3rd power of lens
It is negative, its focal length f3 is -34mm.
The big relay lens optical system of high-precision small range simulated range as described above, the 4th power of lens
For just, its focal length f4 is 35mm.
The big relay lens optical system of high-precision small range simulated range as described above, the 5th power of lens
For just, its focal length f5 is 26mm.
The big relay lens optical system of high-precision small range simulated range as described above, the 6th power of lens
It is negative, its focal length f6 is -12mm.
The big relay lens optical system of high-precision small range simulated range as described above, the 7th power of lens
For just, its focal length f7 is 23mm.
Compared with prior art, the application has the following advantages：
1st, this application provides the big relay lens optical system of high-precision small range simulated range, by instrumentality away from so as to
Change image distance, simulate the image distance of diverse location, so that the camera lens of test realizes different focal by the application optical system
Shooting test.This optical system utilizes each eyeglass itself by the way that the first lens to the 7th lens are reasonably arranged in pairs or groups
The characteristics of structure so that distance of picture of the object through the optical system from closely simulating infinity practical adjustments is very short, adjusts
The distance of section only needs 4mm space, and image quality is high, still further provides relay lens, can be widely used in camera lens
In the occasion or detection device of test, it is also convenient for being applied on automatic detection system, the volumetric spaces of equipment can be reduced, improves
The precision of test, and structure can also accomplish compact.
【Brief description of the drawings】
In order to illustrate more clearly of the technical scheme in the embodiment of the present application, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present application, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of the big relay lens optical system of the application high accuracy small range simulated range；
Fig. 2 is the imaging schematic diagram of the application；
Fig. 3 is Fig. 2 partial enlarged drawing；
Fig. 4 is the MTF transfer curve figures of the application；
Fig. 5 is the Difference Control figure of the application；
Fig. 6 is the spot diameter figure of the application.
【Embodiment】
In order that technical problem, technical scheme and beneficial effect that the application solves are more clearly understood, below in conjunction with
Drawings and Examples, the application is further elaborated.It should be appreciated that specific embodiment described herein is only used
To explain the application, it is not used to limit the application.
The application is achieved through the following technical solutions：
As shown in Figures 1 to 6, the big relay lens optical system of high-precision small range simulated range, include successively along optical axis：
First lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5, the 6th lens 6 and the 7th lens 7；Institute
It is plane to state the object plane side of the first lens 1, and image planes side is convex surface；The object plane side of second lens 2 is plane, and image planes side is concave surface；
The object plane side of 3rd lens 3 is concave surface, and image planes side is convex surface；The object plane side of 4th lens 4 is convex surface, and image planes side is recessed
Face；The object plane side of 5th lens 5 is convex surface, and image planes side is convex surface；The object plane side of 6th lens 6 is concave surface, and image planes side is
Convex surface；The object plane side of 7th lens 7 is convex surface, and image planes side is plane.By instrumentality away from so as to change image distance, simulate not
With the image distance of position, so that the camera lens of test realizes that the shooting of different focal is tested by the application optical system.This optics
System is by the way that the lens 7 of the first lens 1 to the 7th are reasonably arranged in pairs or groups, the characteristics of using each eyeglass self structure so that
Distance of picture of the object through the optical system from closely simulating infinity practical adjustments is very short, only 4mm, and is imaged matter
Amount is high, still further provides relay lens, can be widely used on occasion or the detection device of camera lens test, be also convenient for being applied to
On automatic detection system, the volumetric spaces of equipment can be reduced, improve the precision of test, and structure can also accomplish it is compact tight
Gather.
Further, the big relay lens optical system of described high-precision small range simulated range also meets following condition：
(1)1.75<Nd1<1.95；20<Vd1<35；(2)1.75<Nd2<1.95；20<Vd2<35；(3)1.45<Nd3<
1.60；65<Vd3<85；(4)1.75<Nd4<1.95；20<Vd4<35；(5)1.75<Nd5<1.95；20<Vd5<35；(6)1.45<
Nd6<1.60；65<Vd6<85；(7)1.75<Nd7<1.95；20<Vd7<35.
Wherein, Nd1 is the refractive index of the first lens 1, and Vd1 is the abbe number of the first lens 1；Nd2 is the second lens 2
Refractive index, Vd2 are the abbe number of the second lens 2；Nd3 is the refractive index of the 3rd lens 3, and Vd3 is the dispersion system of the 3rd lens 3
Number；Nd4 is the refractive index of the 4th lens 4, and Vd4 is the abbe number of the 4th lens 4；Nd5 be the 5th lens 5 refractive index, Vd5
For the abbe number of the 5th lens 5；Nd6 is the refractive index of the 6th lens 6, and Vd6 is the abbe number of the 6th lens 6；Nd7 is
The refractive index of seven lens 7, Vd7 are the abbe number of the 7th lens 7.The eyeglass abbe number of different refraction materials is not yet
Together, the higher abbe number of refractive index is lower, using each eyeglass attribute difference carry out it is reasonably combined after, after light to image planes
Dispersion range is smaller so that the imaging of optical system or camera lens becomes apparent from, and quality is higher.
Further, the focal power of the first lens 1 is negative, its focal length -40mm<f1<- 30mm, its preferred focal length f1
For -35mm.The refractive index Nd1 preferably 1.78 of first lens 1, abbe number Vd1 preferably 25, be advantageous to make optical system or
Camera lens forms sharp image.
Yet further, the focal power of the second lens 2 is negative, its focal length -40mm<f2<- 35mm, its preferred focal length f1
For -38mm.The refractive index Nd2 preferably 1.80 of second lens 2, abbe number Vd2 preferably 25, be advantageous to make optical system or
Camera lens forms sharp image.
Also further, the focal power of the 3rd lens 3 is negative its focal length -38mm<f3<- 33mm, its preferred focal length f3
For -34mm.The refractive index Nd3 preferably 1.50 of 3rd lens 3, abbe number Vd3 preferably 70, be advantageous to make optical system or
Camera lens forms sharp image.
Specifically, the focal power of the 4th lens 4 is just its focal length 33mm<f4<38mm, its preferred focal length f4 are 35mm.
The refractive index Nd4 preferably 1.80 of 4th lens 4, abbe number Vd4 preferably 25, be advantageous to form optical system or camera lens
Sharp image.
Wherein, the 3rd lens 3 and the 4th lens 4 are compound lens, and its focal length f34 is 330mm.Be advantageous to make optical system
Or camera lens forms sharp image.
More specifically, the focal power of the 5th lens 5 is just, its focal length 24mm<f5<28mm, its preferred focal length f5 are
26mm.The refractive index Nd5 preferably 1.80 of 5th lens 5, abbe number Vd4 preferably 25, be advantageous to make optical system or mirror
Capitiform is into sharp image.
Again specifically, the focal power of the 6th lens 6 is negative its focal length -15mm<f6<- 10mm, its preferred focal length f6 for-
12mm.The refractive index Nd6 preferably 1.50 of 6th lens 6, abbe number Vd6 preferably 70, be advantageous to make optical system or mirror
Capitiform is into sharp image.
Further, the focal power of the 7th lens 7 is just its focal length 20mm<f7<25mm, its preferred focal length f7 are
23mm.The refractive index Nd7 preferably 1.80 of 7th lens 7, abbe number Vd7 preferably 25, be advantageous to make optical system or mirror
Capitiform is into sharp image.
Yet further, in the present embodiment, every basic parameter of this optical lens is as shown in the table：
In upper table, along optical axis from image planes 9 to entrance pupil side or detector lens 8, S1, S2 correspond to two tables of the first lens 1
Face；S3, S4 correspond to two surfaces of the second lens 2；S5, S6 correspond to two surfaces of the 3rd lens 3；S7, S8 are corresponded to
Two surfaces of the 4th lens 4；S9, S10 correspond to two surfaces of the 5th lens 5；STO is diaphragm position；S11、S12
Correspond to two surfaces of the 6th lens 6；S13, S14 correspond to two surfaces of the 7th lens 7.
As can be seen that this optical system has good optical property from Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, light passes through
After the convergence of this optical system, it is apparent from the areas imaging of image planes, each wave band is converged in above single pixel point last
Light collection is had no to rest of pixels point.
This application provides the big relay lens optical system of high-precision small range simulated range, by instrumentality away from so as to changing
Become image distance, simulate the image distance of diverse location, so that the camera lens of test realizes different focal by the application optical system
Shooting test.This optical system utilizes each eyeglass itself by the way that the lens 7 of the first lens 1 to the 7th are reasonably arranged in pairs or groups
The characteristics of structure so that distance of picture of the object through the optical system from closely simulating infinity practical adjustments is very short, adjusts
Pitch only needs the relative optical system to relatively move within 4mm from only 4mm, i.e. shooting object (generally test pattern),
0.2m can be simulated to infinity by the distance of optical system imaging, and be imaged on the side of subject, camera lens to be measured passes through
The imaging is shot in the side in entrance pupil direction, so as to realize simulation wide-long shot, and image quality is high, also provides in addition
Relay lens, it can be widely used on occasion or the detection device of camera lens test, be also convenient for being applied to automatic detection system
On, the volumetric spaces of equipment can be reduced, improve the precision of test, and structure can also accomplish compact.
It is to combine one or more embodiments that particular content provides as described above, does not assert the specific reality of the application
Apply and be confined to these explanations.It is all approximate with the present processes, structure etc., identical, or under the application concept thereof
Make some technologies to deduce, or replace the protection domain that should be all considered as the application.
Claims (9)
1. the big relay lens optical system of high-precision small range simulated range, includes successively along optical axis：First lens (1), second
Lens (2), the 3rd lens (3), the 4th lens (4), the 5th lens (5), the 6th lens (6) and the 7th lens (7)；It is special
Sign is,
First lens (1) the object plane side is plane, and image planes side is convex surface；
Second lens (2) the object plane side is plane, and image planes side is concave surface；
3rd lens (3) the object plane side is concave surface, and image planes side is convex surface；
4th lens (4) the object plane side is convex surface, and image planes side is concave surface；
5th lens (5) the object plane side is convex surface, and image planes side is convex surface；
6th lens (6) the object plane side is concave surface, and image planes side is convex surface；
7th lens (7) the object plane side is convex surface, and image planes side is plane.
2. the big relay lens optical system of high-precision small range simulated range according to claim 1, it is characterised in that should
Optical system also meets following condition：
(1)1.75<Nd1<1.95；20<Vd1<35；
(2)1.75<Nd2<1.95；20<Vd2<35；
(3)1.45<Nd3<1.60；65<Vd3<85；
(4)1.75<Nd4<1.95；20<Vd4<35；
(5)1.75<Nd5<1.95；20<Vd5<35；
(6)1.45<Nd6<1.60；65<Vd6<85；
(7)1.75<Nd7<1.95；20<Vd7<35.
Wherein, Nd1 is the refractive index of the first lens (1), and Vd1 is the abbe number of the first lens (1)；Nd2 is the second lens (2)
Refractive index, Vd2 be the second lens (2) abbe number；Nd3 is the refractive index of the 3rd lens (3), and Vd3 is the 3rd lens (3)
Abbe number；Nd4 is the refractive index of the 4th lens (4), and Vd4 is the abbe number of the 4th lens (4)；Nd5 is the 5th lens
(5) refractive index, Vd5 are the abbe number of the 5th lens (5)；Nd6 is the refractive index of the 6th lens (6), and Vd6 is the 6th lens
(6) abbe number；Nd7 is the refractive index of the 7th lens (7), and Vd7 is the abbe number of the 7th lens (7).
3. the big relay lens optical system of high-precision small range simulated range according to claim 1 or 2, its feature exist
In the focal power of first lens (1) is negative, and its focal length f1 is -35mm.
4. the big relay lens optical system of high-precision small range simulated range according to claim 1 or 2, its feature exist
In the focal power of second lens (2) is negative, and its focal length f2 is -38mm.
5. the big relay lens optical system of high-precision small range simulated range according to claim 1 or 2, its feature exist
In the focal power of the 3rd lens (3) is negative, and its focal length f3 is -34mm.
6. the big relay lens optical system of high-precision small range simulated range according to claim 1 or 2, its feature exist
In the focal power of the 4th lens (4) is just, its focal length f4 is 35mm.
7. the big relay lens optical system of high-precision small range simulated range according to claim 1 or 2, its feature exist
In the focal power of the 5th lens (5) is just, its focal length f5 is 26mm.
8. the big relay lens optical system of high-precision small range simulated range according to claim 1 or 2, its feature exist
In the focal power of the 6th lens (6) is negative, and its focal length f6 is -12mm.
9. the big relay lens optical system of high-precision small range simulated range according to claim 1 or 2, its feature exist
In the focal power of the 7th lens (7) is just, its focal length f7 is 23mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711192926.5A CN107783365A (en) | 2017-11-24 | 2017-11-24 | The big relay lens optical system of high-precision small range simulated range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711192926.5A CN107783365A (en) | 2017-11-24 | 2017-11-24 | The big relay lens optical system of high-precision small range simulated range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107783365A true CN107783365A (en) | 2018-03-09 |
Family
ID=61430886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711192926.5A Pending CN107783365A (en) | 2017-11-24 | 2017-11-24 | The big relay lens optical system of high-precision small range simulated range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107783365A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488459A (en) * | 2019-08-13 | 2019-11-22 | 中山依瓦塔光学有限公司 | The relaying lens head of wide-angle analog different object distances image quality |
| CN110531589A (en) * | 2019-08-16 | 2019-12-03 | 中山依瓦塔光学有限公司 | A kind of projection objective camera lens of litho machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1959455A (en) * | 2005-10-31 | 2007-05-09 | 三星Techwin株式会社 | Zoom lens optical system |
| CN103207442A (en) * | 2013-01-29 | 2013-07-17 | 谭少沛 | Relay lens and lens module detection device and detection method |
| CN104834078A (en) * | 2014-02-07 | 2015-08-12 | 富士胶片株式会社 | Teleconverter lens and imaging apparatus |
| CN105892056A (en) * | 2016-05-09 | 2016-08-24 | 中国航空工业集团公司洛阳电光设备研究所 | Relay optical system for head display |
| CN207704185U (en) * | 2017-11-24 | 2018-08-07 | 中山依瓦塔光学有限公司 | The big relay lens optical system of high-precision small range simulated range |
-
2017
- 2017-11-24 CN CN201711192926.5A patent/CN107783365A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1959455A (en) * | 2005-10-31 | 2007-05-09 | 三星Techwin株式会社 | Zoom lens optical system |
| CN103207442A (en) * | 2013-01-29 | 2013-07-17 | 谭少沛 | Relay lens and lens module detection device and detection method |
| CN104834078A (en) * | 2014-02-07 | 2015-08-12 | 富士胶片株式会社 | Teleconverter lens and imaging apparatus |
| CN105892056A (en) * | 2016-05-09 | 2016-08-24 | 中国航空工业集团公司洛阳电光设备研究所 | Relay optical system for head display |
| CN207704185U (en) * | 2017-11-24 | 2018-08-07 | 中山依瓦塔光学有限公司 | The big relay lens optical system of high-precision small range simulated range |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488459A (en) * | 2019-08-13 | 2019-11-22 | 中山依瓦塔光学有限公司 | The relaying lens head of wide-angle analog different object distances image quality |
| CN110488459B (en) * | 2019-08-13 | 2024-03-26 | 中山依瓦塔光学有限公司 | Relay lens capable of simulating imaging quality of different object distances at large angle |
| CN110531589A (en) * | 2019-08-16 | 2019-12-03 | 中山依瓦塔光学有限公司 | A kind of projection objective camera lens of litho machine |
| CN110531589B (en) * | 2019-08-16 | 2024-03-26 | 中山依瓦塔光学有限公司 | Projection objective lens of photoetching machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107305275B (en) | A kind of optical lens, graph capture device and monitoring system | |
| CN104570292B (en) | Image system lens assembly, image capturing device and mobile terminal | |
| US11204488B2 (en) | Lens system and imaging device | |
| CN105223675A (en) | miniature wide-angle lens | |
| CN103529541A (en) | Zoom lens and image-pickup apparatus | |
| CN109445078A (en) | Bugeye lens | |
| CN107783365A (en) | The big relay lens optical system of high-precision small range simulated range | |
| CN107589518A (en) | Optical lens and the laser alignment measuring apparatus with the optical lens | |
| CN205507198U (en) | Optical lens assembly makes a video recording | |
| CN107065138A (en) | The high pixel fish eye optical systems of small size and its camera module of application | |
| CN205581388U (en) | Small -size , height zoom optical zoom device of multiple | |
| CN207704185U (en) | The big relay lens optical system of high-precision small range simulated range | |
| KR101732940B1 (en) | Relay lens assembly for testing at least one camera module | |
| CN107608058A (en) | Low distortion wide-angle optics | |
| CN205539672U (en) | Super wide angle micro lens who can be used to monitored control system | |
| CN104884990A (en) | Zoom lens and imaging device | |
| TWI512321B (en) | Wide-angle lens and image pick-up unit and monitor device thereof | |
| CN210835403U (en) | Relay lens with large angle capable of simulating imaging quality of different object distances | |
| CN105759399B (en) | Imaging lens | |
| CN107765507A (en) | The big relaying lens head of high-precision small range simulated range | |
| CN102360115A (en) | Low-distortion large-field image space telecentric optical device in | |
| CN204028447U (en) | A kind of wide-angle micro-lens | |
| CN207833094U (en) | A kind of wide working distance optical system of ultra-low distortion | |
| CN214474188U (en) | High-precision small relay lens with large entrance pupil diameter | |
| CN107765405B (en) | Miniaturized fish-eye camera module |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180309 |
|
| RJ01 | Rejection of invention patent application after publication |