CN206411327U - A kind of 4k wide-angles aircraft aerial camera lens construction - Google Patents
A kind of 4k wide-angles aircraft aerial camera lens construction Download PDFInfo
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- CN206411327U CN206411327U CN201621401769.5U CN201621401769U CN206411327U CN 206411327 U CN206411327 U CN 206411327U CN 201621401769 U CN201621401769 U CN 201621401769U CN 206411327 U CN206411327 U CN 206411327U
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Abstract
The utility model discloses a kind of 4k wide-angles aircraft aerial camera lens construction, camera lens structure includes lens barrel, successively by thing side to the first eyeglass, the second eyeglass, the 3rd eyeglass, the 4th eyeglass, the 5th eyeglass, the 6th eyeglass, the 7th eyeglass, colour filter and the chip protective glass being arranged on into image side in lens barrel：Aperture is provided between 4th eyeglass and the 5th eyeglass, the two ends of first eyeglass are fixed in lens barrel by mirror cap, spacer ring is provided between second eyeglass and the 3rd eyeglass, spacer ring is provided between the 4th eyeglass and lens barrel, spacer ring is provided between the 7th eyeglass and lens barrel；Spacer ring is provided between 7th eyeglass and colour filter；The utility model angle of view is more than 100 °, and at 100 ° of visual fields, relative luminance is more than 0.69, and the dark angle that common lens appearance is not had significantly affects peripheral field as the problem of matter.
Description
Technical field
The utility model is related to optical image technology field, more particularly to a kind of to coordinate digital chip to constitute a set of imaging system
The 4k wide-angle aircraft aerial camera lens constructions of system.
Background technology
With the continuous lifting of living standard, people mostly intentionally get the broader visual field, go to understand the Nature, appreciate
The Nature.A aerial photography aircraft is the excellent first choice for realizing this idea；Therefore, aerial photography aircraft is also increasingly flowing on the market
OK；And a perfect aerial photography aircraft, its core component is a height as the pick-up lens of matter.
Comparing competitive producer on the market at present has Japan Ricoh, Taiwan optical instrument factory etc., but their product imaging matter
Amount is general, and resolution ratio is only between 5,000,000 pixels, 90 ° to 100 ° of the angle of visual field, it is impossible to which perfection meets high-end imaging system；And
The product cost of Japanese Optical company is higher, and the market competitiveness is also relative to be weakened.
Utility model content
It is bright that the technical problems to be solved in the utility model is to provide the dark angle that a kind of pixel is high, do not have common lens occurs
Development rings peripheral field as the 4k wide-angle aircraft aerial camera lens constructions of Geological Problems.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：
A kind of 4k wide-angles aircraft aerial camera lens construction, camera lens structure includes lens barrel, is successively set on lens barrel
Interior some eyeglasses, colour filter and chip protective glass：Some eyeglasses are by thing side to first be arranged in order into image side
Eyeglass, the second eyeglass, the 3rd eyeglass, the 4th eyeglass, the 5th eyeglass, the 6th eyeglass and the 7th eyeglass composition；4th mirror
Aperture is provided between piece and the 5th eyeglass；
First eyeglass object plane is sphere, and its radius of curvature is 21.018mm, and the first eyeglass image planes are sphere, its radius of curvature
For 3.679mm, the center thickness of first eyeglass is 1.000mm；
Second eyeglass object plane is even aspheric surface, and its radius of curvature is 5.976mm, and the second eyeglass image planes are even aspheric
Face, its radius of curvature is 2.031mm, and the first eyeglass image planes to the distance between the second eyeglass object plane are 1.515mm；Second mirror
The center thickness of piece is 1.093mm；The distance of second eyeglass image planes to the 3rd eyeglass object plane is 1.773mm；
3rd eyeglass object plane is sphere, and its radius of curvature is 5.911mm, the mirror of the 3rd eyeglass object plane culminating point distance the 3rd
Piece image plane center summit 2.791mm；The center thickness of 3rd eyeglass is 2.791mm；
3rd eyeglass image planes are sphere, and its rate radius is -5.911mm, between the 3rd eyeglass image planes and the 4th eyeglass object plane
Distance is 0, and surface both radius of curvature is identical；
4th eyeglass object plane is sphere, and its radius of curvature is -5.911mm, and the 4th eyeglass image planes are sphere, its radius of curvature
For -15.613mm, the center thickness of the 4th eyeglass is 2.618mm；The culminating point of 4th eyeglass image planes is to diaphragm hole face center
The distance on summit is 1.018mm；
The surface of the aperture is diaphragm hole face, and it is virtual face, centre-to-centre spacing of the diaphragm hole face to the 5th eyeglass object plane
From for 0.1mm；
5th eyeglass object plane is sphere, and its radius of curvature is 15.693mm, between the 5th eyeglass image planes and the 6th eyeglass object plane
Distance be 0, and surface both radius of curvature is identical；5th eyeglass image planes and the 6th eyeglass object plane are sphere, its curvature half
Footpath is -2.665mm；The center thickness of 5th eyeglass is 4.025mm；
6th eyeglass image planes are sphere, and its radius of curvature is -16.198mm, and the culminating point of the 6th eyeglass image planes is arrived
Distance between the culminating point of 7th eyeglass object plane is 0.071mm；The center thickness of 6th eyeglass is 0.462mm；
7th eyeglass object plane is even aspheric surface, and radius of curvature is infinity, and the 7th eyeglass image planes are even aspheric surface, its
Radius of curvature is -3.849mm, and the center thickness of the 7th eyeglass is 2.166mm, and the culminating point distance of the 7th eyeglass image planes filters
The culminating point distance of piece object plane is 0.5mm；
The thickness of the colour filter is 0.500mm, and colour filter object plane and image planes are plane, and colour filter image planes to chip are protected
The distance for protecting glass object plane is 2mm；
The thickness of the chip protective glass is 0.500mm, and chip protective glass object plane and image planes are plane, the core
Piece protective glass image planes to lens imaging face distance be 1.894mm.
In one embodiment of the present utility model, the lens barrel is made up of aluminum alloy materials.
In one embodiment of the present utility model, the two ends of first eyeglass are fixed in lens barrel by mirror cap.
In one embodiment of the present utility model, spacer ring, described the are provided between second eyeglass and the 3rd eyeglass
Spacer ring is provided between four eyeglasses and lens barrel, spacer ring, the 7th eyeglass and colour filter are provided between the 7th eyeglass and lens barrel
Between be provided with spacer ring.
In one embodiment of the present utility model, the mirror cap is made up of aluminum alloy materials.
In one embodiment of the present utility model, the spacer ring is made up of aluminum alloy materials.
In one embodiment of the present utility model, the focal length of camera lens structure is 3.15mm.
In one embodiment of the present utility model, the surface of each eyeglass adds plating anti-reflection film.
By above-mentioned technical proposal, the beneficial effects of the utility model are：
1st, this lens imaging quality fully meets IM117 chips 3840x2160 resolution requirement, can perfectly show
The details characteristic of captured object.
2nd, this angle of view is more than 100 °, and at 100 ° of visual fields, relative luminance is more than 0.69, and common lens are not had and are gone out
Existing dark angle significantly affects peripheral field as the problem of matter.
3rd, designed with unique optical texture：
1. this camera lens is using 5 groups of 7 eyeglasses, and number of lenses is moderate, has good transfer of energy properties；
2. two panels eyeglass is designed using Glass aspheric in this camera lens, aspherical provide more optimizes change first
Amount, can be such that the aberrations such as whole optical system spherical aberration, coma, astigmatism, the curvature of field are corrected well, followed by it uses glass material
Matter, although relatively easy in terms of the aspherical processing of common plasticses, it is greatly influenced by temperature, and is not suitable for larger in temperature fluctuation
Aerial photography aircraft on；This lens element aspheric design can be such that aerial photography aircraft is normally used under various temperature environments.
4th, each lens surface of this camera lens all adds plating anti-reflection film, can effectively reduce reflection of each optical surface to light, make
Low veiling glare on lens imaging face, without obvious ghost, aerial photography aircraft is shot clear photograph, video.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the high pixel camera lens optical principle schematic diagram of the utility model；
Fig. 2 is the high pixel camera lens cross section structure schematic diagram of the utility model；
Numeral and the corresponding component title represented by letter in figure：
1st, lens barrel 2, mirror cap 3, spacer ring 10, the first eyeglass 11, the first eyeglass object plane 12, the first eyeglass image planes 20,
Second eyeglass 21, the second eyeglass object plane 22, the second eyeglass image planes 30, the 3rd eyeglass 31, the 3rd eyeglass object plane the 32, the 3rd
Eyeglass image planes 40, the 4th eyeglass 41, the 4th eyeglass object plane 42, the 4th eyeglass image planes 50, the 5th eyeglass 51, the 5th eyeglass
Object plane 52, the 5th eyeglass image planes 60, the 6th eyeglass 61, the 6th eyeglass object plane 62, the 6th eyeglass image planes 70, the 7th eyeglass
71st, the 7th eyeglass object plane 72, the 7th eyeglass image planes 80, aperture 90, colour filter 91, colour filter object plane 92, colour filter picture
Face 100, chip protective glass 101, chip protective glass object plane 102, chip protective glass image planes 110, lens imaging face.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to shown in Fig. 1 and Fig. 2, the utility model discloses a kind of 4k wide-angles aircraft aerial camera lens construction, phase
Machine lens construction includes lens barrel 1, some eyeglasses being successively set in lens barrel 1, colour filter 90 and protective glass 100：It is some
Eyeglass is by thing side to the first eyeglass 10, the second eyeglass 20, the 3rd eyeglass 30, the 4th eyeglass the 40, the 5th being arranged in order into image side
Eyeglass 50, the 6th eyeglass 60 and the 7th eyeglass 70 are constituted；Aperture 80 is provided between 4th eyeglass 40 and the 5th eyeglass 50；The
The two ends of one eyeglass 10 are fixed in lens barrel 1 by mirror cap 2；Spacer ring 3, the 4th are provided between second eyeglass 20 and the 3rd eyeglass 30
Spacer ring 3 is provided between eyeglass 40 and lens barrel 1, spacer ring 3 is provided between the 7th eyeglass 70 and lens barrel 1；7th eyeglass 70 and colour filter
Spacer ring 3 is provided between 90；Mirror cap 2, lens barrel 1 and spacer ring 3 are made by aluminum alloy materials, and black oxidation processing is done on surface,
It, which has, reduces light reflection, the advantages of evading veiling glare；Spacer ring 3 not only can also be used to restriction adjacent for spacing
The distance between eyeglass, prevents camera lens by displacement is produced between external force rear lens, influence monitors precision.
The one chip lens parameters that the utility model is gone out by optical design software board design are as follows：
The detail parameters of the design are listed in form 1, the first row lists the major parameter focal length f of the high pixel camera lens
=3.15mm, aperture F/#=2.8, total track length TT=24.06218mm, at 54.5 ° of single-lens horizontal field of view angle
Image height h=3.866mm.
Listed in the title bar of form 1：" surface ", " type ", " radius of curvature ", " thickness ", " refractive index " and " Abbe
Coefficient ".What lens element material was defined by refractive index and Abbe number；In table 1, a blank in " refractive index " row
Cell represents that the value in " thickness " cell beside it is the distance to next lens surface summit；" refractive index " row are carried
What is supplied is refractive index of the lens materials in wavelength 632.8nm.
In table 1, object plane radius of curvature is infinity, i.e. plane, in next surface (the first eyeglass object plane 11)
Heart summit infinity；Surface 1 is the first eyeglass object plane 11, and the face is sphere, and radius of curvature is 21.018mm, apart from next surface
(the first eyeglass image planes 12) culminating point 1.000mm, i.e. first lens center thickness is 1.000mm, and refractive index is 1.592798,
Abbe number 68.327301；Surface 2 is the first eyeglass image planes 12, and the face is sphere, and radius of curvature is 3.679mm, apart from next
Surface (the second eyeglass object plane 21) 1.515mm.
Surface 3 is the second eyeglass object plane 21, and the face is even aspheric surface, and radius of curvature is 5.976mm, aspherical each order
Coefficient such as table 2, asphericity coefficient is 0, and quadratic coefficients are 0, and four ordered coefficients are 8.429E-04, and six ordered coefficients are -2.681E-04,
Eight ordered coefficients are 1.167E-05, and ten ordered coefficients are -2.210E-05, and ten times later coefficient is all 0, apart from next surface (second
Eyeglass image planes 22) culminating point 1.093mm, i.e. the second lens center thickness be 1.093mm, refractive index is 1.534636, Abbe
Coefficient 56.196755；Surface 4 is the second eyeglass image planes 22, and the face is even aspheric surface, and radius of curvature is 2.031mm, aspherical
Each order coefficient such as table 2, asphericity coefficient is -1.053, and quadratic coefficients are 0, and four ordered coefficients are 3.966E-03, six ordered coefficients
For -8.810E-04, eight ordered coefficients are 2.350E-05, and ten ordered coefficients are 0, and ten times later coefficient is all 0, apart from next surface
(the 3rd eyeglass object plane 31) 1.773mm.
Surface 5 is the 3rd eyeglass object plane 31, and the face is sphere, and radius of curvature is 5.911mm, under the face culminating point distance
One surface (the 3rd eyeglass image planes 32 are also the 4th eyeglass object plane 41) culminating point 2.791mm, the i.e. center thickness of the 3rd eyeglass 30
2.791mm, refractive index is 1.788001, Abbe number 47.508308；Surface 6 is the 3rd eyeglass image planes 32, due to the face and the
The spacing of four eyeglass object plane 41 is 0 and surface curvature radius is identical, and therefore, surface 6 had both been that the 3rd eyeglass image planes 32 are also the 4th mirror
Piece object plane 41, the face is sphere, and radius of curvature is -5.911mm, apart from next surface (the 4th eyeglass image planes 42) 2.618mm, i.e.,
The center thickness of 4th eyeglass is 2.618mm, and refractive index is 1.658439, Abbe system 50.8665.
Surface 7 is the 4th eyeglass image planes 42, and the face is sphere, and radius of curvature is -15.613mm, apart from next surface (light
Late hole face) culminating point 1.018mm；Surface 8 is diaphragm hole face, and aperture 80 is virtual face, and thickness is infinitely small, apart from next mirror
Piece surface (the 5th eyeglass object plane 51) culminating point 0.1mm.
Surface 9 is the 5th eyeglass object plane 51, and the face is sphere, and radius of curvature is 15.693mm, apart from next surface the (the 5th
The eyeglass object plane 61 of eyeglass image planes 52 or the 6th) culminating point 4.025mm, i.e. the 5th lens center thickness be 4.025mm, refractive index
For 1.592798, Abbe number 68.327301；Surface 10 is the 5th eyeglass image planes 52, due to the face and the 6th eyeglass object plane 61
Spacing is 0 and surface curvature radius is identical, and therefore, surface 10 had both been that the 5th eyeglass image planes 52 are also the 6th eyeglass object plane 61, should
Face is sphere, and radius of curvature is -2.665mm, apart from next surface (the 6th eyeglass image planes 62) 0.462mm, and the 6th eyeglass 60
Center thickness is 0.462mm, and refractive index is 1.72825, Abbe system 28.315013；Surface 11 is the 6th eyeglass image planes 62, the face
For sphere, radius of curvature is -16.198mm, and the face culminating point is apart from next surface (the 7th eyeglass object plane 71) culminating point
0.071mm；Surface 12 is the 7th eyeglass object plane 71, and the face is even aspheric surface, and radius of curvature is infinity, aspherical each order
Coefficient such as table 2, asphericity coefficient is 0, and quadratic coefficients are 0, and four ordered coefficients are -2.380E-03, and six ordered coefficients are 2.867E-05,
Eight ordered coefficients are -2.382E-05, and ten ordered coefficients are 0, and ten times later coefficient is all 0, apart from next surface (the 7th eyeglass image planes
72) culminating point 2.166mm, i.e. the 7th lens center thickness are 2.166mm, and refractive index is 1.534636, Abbe system
56.196755；Surface 13 is the 7th eyeglass image planes 72, and the face is even aspheric surface, and radius of curvature is -3.849mm, aspherical each
Order coefficient such as table 2, asphericity coefficient is 0, and quadratic coefficients are 0, and four ordered coefficients are 2.291E-03, and six ordered coefficients are 4.356E-
05, eight ordered coefficients are -4.889E-06, and ten ordered coefficients are -2.464E-07, and ten times later coefficient is all 0, apart from next surface
(colour filter object plane 91) 0.5mm.
Surface 14 is colour filter object plane 91, and the face is plane, apart from next surface (colour filter image planes 92) 0.500mm, i.e.,
Colour filter thickness 0.500mm, refractive index is 1.516797, Abbe number 64.212351；Surface 15 is optical filter image planes 92, the face
For plane, apart from next surface (chip protective glass object plane 101) 2mm；Surface 16 is chip protective glass object plane 101, the face
For plane, apart from next surface (chip protective glass image planes 102) 0.500mm, the i.e. thickness of chip protective glass 100 0.500mm, roll over
Penetrate rate 1.516374, Abbe number 64.11521；Surface 17 is chip protective glass image planes 102, and the face is plane, apart from next
Surface (lens imaging face 110) 1.894mm.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (8)
1. a kind of 4k wide-angles aircraft aerial camera lens construction, camera lens structure includes lens barrel, is successively set in lens barrel
Some eyeglasses, colour filter and chip protective glass：Characterized in that, some eyeglasses are extremely arranged successively by thing side into image side
The first eyeglass, the second eyeglass, the 3rd eyeglass, the 4th eyeglass, the 5th eyeglass, the 6th eyeglass and the 7th eyeglass composition of row；Institute
State and aperture is provided between the 4th eyeglass and the 5th eyeglass；
First eyeglass object plane is sphere, and its radius of curvature is 21.018mm, and the first eyeglass image planes are sphere, and its radius of curvature is
3.679mm, the center thickness of first eyeglass is 1.000mm；
Second eyeglass object plane is even aspheric surface, and its radius of curvature is 5.976mm, and the second eyeglass image planes are even aspheric surface, its
Radius of curvature is 2.031mm, and the first eyeglass image planes to the distance between the second eyeglass object plane are 1.515mm；Second eyeglass
Center thickness is 1.093mm；The distance of second eyeglass image planes to the 3rd eyeglass object plane is 1.773mm；
3rd eyeglass object plane is sphere, and its radius of curvature is 5.911mm, the eyeglass picture of the 3rd eyeglass object plane culminating point distance the 3rd
Face culminating point 2.791mm；The center thickness of 3rd eyeglass is 2.791mm；
3rd eyeglass image planes are sphere, and its rate radius is -5.911mm, the distance between the 3rd eyeglass image planes and the 4th eyeglass object plane
For 0, and surface both radius of curvature is identical；
4th eyeglass object plane be sphere, its radius of curvature be -5.911mm, the 4th eyeglass image planes be sphere, its radius of curvature for -
15.613mm, the center thickness of the 4th eyeglass is 2.618mm；The culminating point of 4th eyeglass image planes is to diaphragm hole face culminating point
Distance be 1.018mm；
The surface of the aperture is diaphragm hole face, and it is virtual face, and diaphragm hole face is to the centre distance of the 5th eyeglass object plane
0.1mm；
5th eyeglass object plane be sphere, its radius of curvature be 15.693mm, between the 5th eyeglass image planes and the 6th eyeglass object plane away from
From for 0, and surface both radius of curvature is identical；5th eyeglass image planes and the 6th eyeglass object plane are sphere, its radius of curvature for-
2.665mm；The center thickness of 5th eyeglass is 4.025mm；
6th eyeglass image planes are sphere, and its radius of curvature is -16.198mm, the culminating point of the 6th eyeglass image planes to the 7th
Distance between the culminating point of eyeglass object plane is 0.071mm；The center thickness of 6th eyeglass is 0.462mm；
7th eyeglass object plane is even aspheric surface, and radius of curvature is infinity, and the 7th eyeglass image planes are even aspheric surface, its curvature
Radius is -3.849mm, and the center thickness of the 7th eyeglass is 2.166mm, and the culminating point of the 7th eyeglass image planes is apart from optical filter thing
The culminating point distance in face is 0.5mm；
The thickness of the colour filter is 0.500mm, and colour filter object plane and image planes are plane, and colour filter image planes to chip protect glass
The distance of glass object plane is 2mm；
The thickness of the chip protective glass is 0.500mm, and chip protective glass object plane and image planes are plane, and the chip is protected
Protect glass image planes to lens imaging face distance be 1.894mm.
2. a kind of 4k wide-angles aircraft aerial camera lens construction according to claim 1, it is characterised in that the lens barrel
It is made up of aluminum alloy materials.
3. a kind of 4k wide-angles aircraft aerial camera lens construction according to claim 1, it is characterised in that described first
The two ends of eyeglass are fixed in lens barrel by mirror cap.
4. a kind of 4k wide-angles aircraft aerial camera lens construction according to claim 1, it is characterised in that described second
Spacer ring is provided between eyeglass and the 3rd eyeglass, spacer ring, the 7th eyeglass and lens barrel are provided between the 4th eyeglass and lens barrel
Between be provided with spacer ring, between the 7th eyeglass and colour filter be provided with spacer ring.
5. a kind of 4k wide-angles aircraft aerial camera lens construction according to claim 3, it is characterised in that the mirror cap
It is made up of aluminum alloy materials.
6. a kind of 4k wide-angles aircraft aerial camera lens construction according to claim 4, it is characterised in that the spacer ring
It is made up of aluminum alloy materials.
7. a kind of 4k wide-angles aircraft aerial camera lens construction according to claim 1, it is characterised in that camera lens
The focal length of structure is 3.15mm.
8. a kind of 4k wide-angles aircraft aerial camera lens construction according to claim 1, it is characterised in that each eyeglass
Surface add plating anti-reflection film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621401769.5U CN206411327U (en) | 2016-12-20 | 2016-12-20 | A kind of 4k wide-angles aircraft aerial camera lens construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621401769.5U CN206411327U (en) | 2016-12-20 | 2016-12-20 | A kind of 4k wide-angles aircraft aerial camera lens construction |
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| Publication Number | Publication Date |
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| CN206411327U true CN206411327U (en) | 2017-08-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807440A (en) * | 2017-11-14 | 2018-03-16 | 嘉兴中润光学科技有限公司 | Wide-angle interchangeable lens |
| CN107807439A (en) * | 2017-11-24 | 2018-03-16 | 嘉兴中润光学科技有限公司 | Interchangeable of dolly-out,ing dolly-back tight shot |
-
2016
- 2016-12-20 CN CN201621401769.5U patent/CN206411327U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807440A (en) * | 2017-11-14 | 2018-03-16 | 嘉兴中润光学科技有限公司 | Wide-angle interchangeable lens |
| CN107807439A (en) * | 2017-11-24 | 2018-03-16 | 嘉兴中润光学科技有限公司 | Interchangeable of dolly-out,ing dolly-back tight shot |
| CN107807439B (en) * | 2017-11-24 | 2019-03-08 | 嘉兴中润光学科技有限公司 | Interchangeable of dolly-out,ing dolly-back tight shot |
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