CN105158880B - A kind of catadioptric spliced wide-angle lens - Google Patents
A kind of catadioptric spliced wide-angle lens Download PDFInfo
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- CN105158880B CN105158880B CN201510702258.0A CN201510702258A CN105158880B CN 105158880 B CN105158880 B CN 105158880B CN 201510702258 A CN201510702258 A CN 201510702258A CN 105158880 B CN105158880 B CN 105158880B
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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
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
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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
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
- G02B17/0836—Catadioptric systems using more than three curved mirrors
- G02B17/0844—Catadioptric systems using more than three curved mirrors off-axis or unobscured systems in which all of the mirrors share a common axis of rotational symmetry
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Abstract
The invention provides a kind of catadioptric spliced wide-angle lens, forms the first weight structure by using transmission microscope group and relaying microscope group, the central vision of object plane is imaged；The second structure is formed by using speculum group and relaying microscope group to be imaged the peripheral field of object plane so that wide-angle lens of the invention obtains bigger field-of-view information；Compared to existing fish eye lens, due to obtaining peripheral field using the second weight structure, therefore the peripheral field of higher resolution can be obtained；Because the first weight structure and the second weight structure are separate, the size of two parts image planes can be controlled by adjusting the size of focal length respectively, to meet the needs of different user, therefore the present invention's is applied widely；By the supplemental characteristic for adjusting relaying microscope group, so that there is interval between annular image planes formed by circular image planes formed by the first weight structure and the second weight structure, the size at adjustable interval simultaneously, can allow user to obtain the image of two field of view respectively, be user-friendly.
Description
The invention belongs to divisional application, applying date of original application is on May 23rd, 2014, Application No.：
It is 201410222287.2. entitled：A kind of catadioptric spliced wide-angle lens.
Technical field
The present invention relates to optical system and device design field, and in particular to a kind of catadioptric spliced wide-angle lens.
Background technology
Existing wide-angle lens generally comprises full shot or fish eye lens, as shown in figure 1, full shot generally utilizes
The catoptric arrangement of extrawide angle lens group is engaged with relay lens group, to obtain the panorama around 360 degree of ring fields of optical lens optical axis
Light, however, in such a light path design, the light that the catoptric arrangement of extrawide angle lens group blocks optical axis center areas adjacent enters
Enter so that full shot is only capable of obtaining a ring place domain information of angle of visual field major part, therefore not fully reaches and regard entirely
The acquisition of field areas, although as shown in Fig. 2 common fish eye lens can obtain the full detail of larger field, its distortion is larger,
Cause peripheral field sampling less, be unfavorable for reducing things in itself.
The content of the invention
In view of this, ultra-large vision field angle information can be obtained the invention provides one kind and peripheral field sampling is sufficiently rolled over
Anti- spliced wide-angle lens, the image of central vision is obtained by using transmission microscope group and relaying microscope group the first weight structure of composition,
The image of the second weight structure acquisition peripheral field is formed by using speculum group and relaying microscope group, double structure has different
Focal length, it can finally obtain big field-of-view information and high-resolution peripheral field.
A kind of catadioptric spliced wide-angle lens of the present invention, including transmission microscope group, speculum group and relaying microscope group, it is described
Penetrate microscope group to be used to transmit the light of central vision and converge to the relaying microscope group, the speculum group is used for peripheral field
Light reflect and converge to the relaying microscope group, it is described relaying microscope group be used for by the light focusing of central vision in image plane center
Border circular areas in, by the light focusing of peripheral field in the annular region at the image planes edge, the border circular areas it is big
Small change is according to the demand of user by the Focussing of described transmission microscope group, and the size variation of the annular region is according to user
Demand by the speculum group Focussing.
The transmission microscope group, speculum group and relaying microscope group are arranged in order from object end to the image end, wherein the diaphotoscope group
Including be arranged in order from object end to the image end diverging meniscus lens (11), by negative lens and positive lens groups into the first cemented doublet
(12), the second cemented doublet (13) and aspherical negative lens (14) combined by positive lens and negative lens；
The speculum group includes the second speculum (22) and the first speculum (21) being arranged in order from object end to the image end,
Two panels speculum is annular；
The relaying microscope group includes the first diaphragm (S1), the first sphere negative lens being arranged in order from object end to the image end
(31), the second sphere negative lens (32), by positive lens and negative lens group into the 3rd pair of glued spherical lens (33), by positive lens
With negative lens group into the 4th pair of glued spherical lens (34) and non-spherical lens (35)；In the non-spherical lens (35)
The heart is positive lens, and edge is annular negative lens；
The diverging meniscus lens (11) receive the light of central vision and successively through the first cemented doublet (12), second pair
The transmission and convergence of balsaming lens (13) and aspherical negative lens (14), central vision light finally pass through the first diaphragm (S1)
It is converged to the central area of the first sphere negative lens (31)；Central vision light after transmission microscope group is assembled passes through successively
First sphere negative lens (31), the second sphere negative lens (32), the 3rd pair of glued spherical lens (33) and the 4th pair of glued sphere
Lens (34) are transmitted through on the positive lens at non-spherical lens (35) center, and the central area of image planes is imaged in through the positive lens；
The light at the first speculum (21) field of view of receiver edge simultaneously reflexes to the second speculum (22), and the second speculum (22) again will
It reflexes to the fringe region of the first sphere negative lens (31) by the first diaphragm (S1)；Side after speculum group reflects
Edge field rays are successively through the first sphere negative lens (31), the second sphere negative lens (32), the 3rd pair of glued spherical lens (33)
It is transmitted through on the negative lens at non-spherical lens (35) edge with the 4th pair of glued spherical lens (34), is imaged in through the negative lens
The fringe region of image planes.
The midfeather of border circular areas and annular region in the image planes is according to user's request by adjusting by diaphotoscope
The focal length of the first weight structure and the second weight structure being made up of speculum group and relaying microscope group of group and relaying microscope group composition is real
It is existing.
The annular inner circle of second speculum (22) connects with the circular edge of aspherical negative lens (14), and during processing
It is integrally formed.
The transmission microscope group, speculum group and relaying microscope group are arranged in order from object end to the image end, wherein the diaphotoscope group
Including the 3rd sphere negative lens (L1) and the first sphere positive lens (L2) being arranged in order along the light direction of propagation；
The speculum group includes the 4th speculum (R2) and the 3rd speculum being arranged in order along the light direction of propagation
(R1), two panels speculum is annular；
The relaying microscope group includes the second diaphragm (S2) being arranged in order along the light direction of propagation, the 4th sphere negative lens
(L3), the second sphere positive lens (L4), the 3rd sphere positive lens (L5), the 4th sphere positive lens (L6), the 5th sphere positive lens
And the 5th sphere negative lens (L8) (L7)；
The 3rd sphere negative lens (L1) receives the light of central vision and converges to the first sphere positive lens (L2), institute
State the first sphere positive lens (L2) and central vision light is entered into line convergence again, central vision light finally passes through the second diaphragm (S2)
It is converged to the central area of the 4th sphere negative lens (L3)；Central vision light after transmission microscope group is assembled passes through successively
4th sphere negative lens (L3), the second sphere positive lens (L4), the 3rd sphere positive lens (L5), the 4th sphere positive lens (L6),
5th sphere positive lens (L7) and the 5th sphere negative lens (L8) transmit and image in the central area of image planes；
The light at the 3rd speculum (R1) the field of view of receiver edge simultaneously reflexes to the 4th speculum (R2), the 4th speculum
(R2) it is reflexed to the fringe region of the 4th sphere negative lens (L3) through the second diaphragm (S2) again；Through speculum group meeting
Peripheral field light after poly- through the transmission for relaying 6 lens in microscope group and images in the fringe region of image planes successively.
4th speculum (R2) is arranged on ring edge of the 3rd sphere negative lens (L1) between diaphragm.
Aspherical mirror in the optical surface uses model A5514_55 plastic processings.
The present invention has the advantages that：
1st, the present invention forms the first weight structure by using transmission microscope group and relaying microscope group, and the central vision of object plane is carried out
Imaging, meanwhile, form the second structure by using speculum group and relaying microscope group and the peripheral field of object plane be imaged so that
The wide-angle lens of the present invention obtains bigger field-of-view information；Compared to existing fish eye lens, due to being obtained using the second weight structure
Peripheral field is obtained, therefore the peripheral field of higher resolution can be obtained；Because the first weight structure and the second weight structure are separate,
The size of two parts image planes can be controlled by adjusting the size of focal length respectively, to meet the needs of different user, therefore this
That invents is applied widely；
2nd, the present invention relays the supplemental characteristic of microscope group by adjusting so that circular image planes and second formed by the first weight structure
There is interval, while the size at adjustable interval between annular image planes formed by weight structure, therefore user can be allowed as needed
The image of two field of view is obtained respectively, is user-friendly；
3rd, the present invention the annular inner circle of the second speculum is connected with the circular edge of aspherical negative lens, and integrally into
Type, it is easy to process；
4th, diaphotoscope group is formed by using two panels lens, two panels speculum group is into speculum group so that of the invention is wide
The structure of angle mirror head is simpler, cost is lower；
5th, the 3rd speculum is placed on the ring edge between two lens of transmission microscope group so that the structure of camera lens is more
Step up to gather；
6th, the optimization design of the parameter to each optical surface is passed through so that wide-angle lens of the invention has preferably imaging matter
Amount, it is stronger to the reducing power of true picture.
Brief description of the drawings
Fig. 1 is existing full shot structural representation；
Fig. 2 is existing fish eye lens structural representation；
Fig. 3 is the catadioptric spliced wide-angle lens structural representation that embodiment one provides in the present invention；
Fig. 4 is the light path schematic diagram of the catadioptric spliced wide-angle lens that embodiment one provides in the present invention；
Fig. 5 (a) is the transmission microscope group for the catadioptric spliced wide-angle lens that embodiment one provides and relaying microscope group in the present invention
The MTF curve figure of first weight structure of composition；
Fig. 5 (b) is the speculum group for the catadioptric spliced wide-angle lens that embodiment one provides and relaying microscope group in the present invention
The MTF curve figure of second weight structure of composition；
Fig. 6 (a) is the transmission microscope group for the catadioptric spliced wide-angle lens that embodiment one provides and relaying microscope group in the present invention
The picture point figure of first weight structure of composition；
Fig. 6 (b) is the speculum group for the catadioptric spliced wide-angle lens that embodiment one provides and relaying microscope group in the present invention
The picture point figure of second weight structure of composition；
Fig. 7 is the catadioptric spliced wide-angle lens structural representation that embodiment two provides in the present invention；
Fig. 8 is the structural representation of the relaying microscope group for the catadioptric spliced wide-angle lens that embodiment two provides in the present invention；
Fig. 9 (a) is the transmission microscope group for the catadioptric spliced wide-angle lens that embodiment two provides and relaying microscope group in the present invention
The MTF curve figure of first weight structure of composition；
Fig. 9 (b) is the speculum group for the catadioptric spliced wide-angle lens that embodiment two provides and relaying microscope group in the present invention
The MTF curve figure of second weight structure of composition；
Figure 10 (a) is the transmission microscope group for the catadioptric spliced wide-angle lens that embodiment two provides and relaying microscope group in the present invention
The picture point figure of first weight structure of composition；
Figure 10 (b) is the speculum group for the catadioptric spliced wide-angle lens that embodiment two provides and relaying microscope group in the present invention
The picture point figure of second weight structure of composition.
Wherein, 11- diverging meniscus lenses, the cemented doublets of 12- first, the cemented doublets of 13- second, 14- are aspherical negative saturating
Mirror, the speculums of 21- first, the speculums of 22- second, the diaphragms of S1- first, the diaphragms of S2- second, 31- the first sphere negative lenses, 32-
Second sphere negative lens, the cemented doublets of 33- the 3rd, the cemented doublets of 34- the 4th, 35- non-spherical lenses, the spheres of L1- the 3rd
Negative lens, L2- the first sphere positive lens, the speculums of R1- the 3rd, the speculums of R2- the 4th, the diaphragms of S2- second, the spheres of L3- the 4th
Negative lens, L4- the second sphere positive lens, the sphere positive lens of L5- the 3rd, the sphere positive lens of L6- the 4th, the spheres of L7- the 5th are just saturating
Mirror, the sphere negative lenses of L8- the 5th.
Embodiment
The present invention will now be described in detail with reference to the accompanying drawings and examples.
The invention provides a kind of catadioptric spliced wide-angle lens, including transmission microscope group Z1, speculum group Z2 and relay lens
Group Z3, transmission microscope group Z1 are used to transmit the light of central vision and converge to relay microscope group Z3, and speculum group Z2 is used for side
The light of edge visual field reflects and converges to relaying microscope group Z3, and relaying microscope group Z3 is used for the light focusing of central vision in image planes
In the border circular areas of the heart, i.e., to central vision into circular real image at image plane center；Meanwhile microscope group Z3 is relayed also by peripheral field
Light focusing in the annular region at image planes edge, i.e., circularizing real image to peripheral field at the ring edge of image planes；Circle
The size variation of shape region and annular region is adjusted by transmission microscope group Z1 and speculum group Z2 focal length respectively according to the demand of user
It is whole.
Embodiment one
The structural representation for the catadioptric spliced wide-angle lens that Fig. 3 is provided by the embodiment of the present invention one.The wide-angle lens
It is divided into double structure, it is included into transmission microscope group Z1, speculum group Z2 and relay lens from object end to the image end successively along optical axis direction
Group Z3, the first weight structure and the second weight structure share relaying microscope group Z3.
As shown in figure 4, the light that central vision within 130 degree is injected during imaging, pass sequentially through transmission microscope group Z1 and
Relaying microscope group Z3 (both forms the first weight structure) is imaged on image planes Si central area, and the peripheral field beyond 130 degree
The light of injection, then can be imaged on by speculum group Z2 and relaying microscope group Z3 (both forms the second weight structure) image planes Si away from
The marginal position of central area certain distance.Finally in image planes, central vision imaging is a circle, peripheral field institute
Ring-type is imaged as, there are certain intervals in same plane, centre, the last sliceable view field image obtained not less than 200 degree.Its
The size at middle interval, which can separately be obtained circular image planes and ring surface with user, to be advisable.
As shown in figure 3, transmission microscope group Z1 includes diverging meniscus lens 11 from object end to the image end, by negative lens and positive lens successively
First cemented doublet 12 of composition, the second cemented doublet 13 for being combined by positive lens and negative lens and aspherical negative
Lens 14.
In order to reduce the processing cost of aspherical lens, except it is aspherical for plastics ' in addition to A5514_55' materials, remaining is saturating
Mirror is glass material.
Each surface parameter such as table 1 in microscope group Z1 is transmitted, asphericity coefficient refers to table 4.
Table 1 transmits microscope group Z1 each surface parameter
(note：Serial number in table 1 is incremented by successively along light transmission direction, is No. 1 near the surface of object plane.Table 2,
3rd, 4 method for expressing is the same as table one.)
As Fig. 3, speculum group Z2 therein include two panels speculum altogether, be plastics ' A5514_55' materials it is aspherical, its
In the second speculum 22 connect with transmission microscope group last piece non-spherical lens 14, can be integrally formed in processing, bend towards image planes；The
One speculum 21 has fixed airspace about 16.5mm between the rear of the second speculum 22, with the second speculum 22, and it is anti-to bend towards first
Penetrate mirror 21.The surface equation of first speculum 21 and the second speculum 22 is：
In formula, r is the distance that optical axis is a little arrived on optical surface, and z be rise of this along optical axis direction, and c is the curvature on the surface, k
For the surface second curved surface constant, A, B, C, D are respectively 4 times, 6 times, 8 times, 10 asphericity coefficients；
The speculum group Z2 of table 2 each surface parameter and asphericity coefficient
Such as Fig. 3, last relaying microscope group Z3 includes diaphragm S1 successively along light transmission direction, the first sphere negative lens 31,
Second sphere negative lens 32, by positive lens and negative lens group into the 3rd pair of glued spherical lens 33, by positive lens and negative lens
4th pair of glued spherical lens 34 and non-spherical lens 35 of composition；The material of non-spherical lens 35 is ' A5514_55 ' modeling
Material, its center are positive lens, and edge is annular negative lens, all may be used from the light that transmission microscope group and speculum group pass through
To be well imaged in same image planes.
Diverging meniscus lens 11 receives the light of central vision and successively through the first cemented doublet 12, the second cemented doublet
13 and the transmission and convergence of aspherical negative lens 14, central vision light be finally converged through the first diaphragm S1 to the first ball
The central area of face negative lens 31；Central vision light after transmission microscope group is assembled is successively through the first sphere negative lens 31, the
Two sphere negative lenses 32, the 3rd pair of glued spherical lens 33 and the 4th pair of glued spherical lens 34 are transmitted through in non-spherical lens 35
On the positive lens of the heart, the central area of image planes is imaged in through positive lens；The light at the field of view of receiver edge of the first speculum 21 is simultaneously anti-
The second speculum 22 is incident upon, the second speculum 22 again reflexes to it by the first diaphragm S1 at the edge of the first sphere negative lens 31
Region；Peripheral field light after speculum group reflects is successively through the first sphere negative lens 31, the second sphere negative lens 32,
Three pairs of glued spherical lenses 33 and the 4th pair of glued spherical lens 34 are transmitted through on the negative lens at the edge of non-spherical lens 35, through negative
Lens imaging is in the fringe region of image planes.
Each surface parameter refers to table 3 in relaying microscope group, and asphericity coefficient refers to table 4.
The diaphragm S of table 3 and relaying microscope group Z3 each surface parameter
(note：The face of serial number 25 and 26 in table 3, there are two different radius of curvature r and face interval d, that is, correspond to lens
35, the region that the lens centre radius is 2.2mm is positive lens, and each parameter is the outer data of bracket, the fringe region beyond 2.2mm
It is then negative lens, each parameter is the data in bracket, because material is ' A5514_55 ' plastics, positive lens and negative lens can be processed
Together)
The surface equation of aspherical negative lens 14 and non-spherical lens 35 is：
In formula, r is the distance that optical axis is a little arrived on optical surface, and z be rise of this along optical axis direction, and c is the curvature on the surface, k
For the surface second curved surface constant, A, B, C, D are respectively 4 times, 6 times, 8 times, 10 asphericity coefficients；
Table 4 transmits microscope group Z1 with relaying the asphericity coefficient of aspheric surfaces in microscope group Z3
It is calculated by design parameter and optical theory：The effective focal length F1 of the weight structure of camera lens first of embodiment one is
4.093mm, the effective focal length of the second weight structure is 2.165mm, and wide-angle lens of the invention is compact-sized, its overall optics overall length
L is less than 100mm, and the ω of full filed angle 2 can reach 200 °, suitable for visible wavelength.
MTF (Modulation Transfer of the wide-angle lens of present embodiment one under different visual fields
Function), as shown in figure 5, wherein transverse axis representation space frequency, unit：Line is to every millimeter (lp/mm)；The longitudinal axis is MTF numbers
Value, MTF numerical value are used for evaluating the image quality of camera lens, span 0-1, the higher imaging matter for representing camera lens of MTF curve
Amount is better, stronger to the reducing power of true picture.It can be seen that for the double structure in wide-angle lens,
When transverse axis spatial frequency reaches 120 (lp/mm), when the angle of visual field reaches 200 °, mtf value is held in more than 0.2, has preferable
Imaging capability.
Fig. 6 is the optics point range figure of present embodiment one, and picture point is smaller to represent that image quality is more preferable, can from figure
Go out, each visual field root mean square radii value (RMS) of the present embodiment is respectively less than 7.5 μm, and image quality is good.
Embodiment two
The structural representation for the catadioptric spliced wide-angle lens that Fig. 7 is provided by embodiment of the present invention two.The camera lens point
For double structure, it is sequentially included into transmission microscope group Z1, speculum group Z2, relaying microscope group along its optical axis direction from object end to the image end
Z3, the first weight structure and the second weight structure share relaying microscope group Z3.
As shown in fig. 7, the light that central vision within 120 degree is injected during imaging, pass sequentially through transmission microscope group Z1 and
Relaying microscope group Z3 (both forms the first weight structure) is imaged on image planes I central area, and the peripheral field beyond 120 degree is penetrated
The light entered, then image planes I can be imaged on away from by speculum group Z2 and relaying microscope group Z3 (both forms the second weight structure)
The marginal position of heart district domain certain distance.Finally in image planes, central vision imaging is a circle, peripheral field institute into
Picture is ring-type, has certain intervals between same plane, border circular areas and annular region, finally sliceable to be not less than
200 degree of view field image.
As Fig. 7, transmission microscope group Z1 include the 3rd sphere negative lens L1 and the first sphere positive lens successively from object end to the image end
L2.Distance is less than 15mm between two lens.Each surface parameter is referring to table 5.
Table 5 transmits each surface parameters of microscope group Z1
Referring to Fig. 7, speculum group Z2 therein includes two panels speculum altogether, according to light transmission direction, is followed successively by
Three speculum R1 and the 4th speculum R2, two panels speculum are annular.3rd speculum R1 is quadratic surface, is convex to object plane,
4th speculum R2 is sphere, concaves towards the 3rd speculum R1.Each surface coefficient is referring to table 6.
The speculum group Z2 of table 6 each surface parameter
Last relaying microscope group Z3 structure such as Fig. 8, include diaphragm S2, the 4th sphere negative lens successively along light transmission direction
L3, the second sphere positive lens L4, the 3rd sphere positive lens L5, the 4th sphere positive lens L6, the 5th sphere positive lens L7 and the 5th
Sphere negative lens L8.
3rd sphere negative lens L1 receives the light of central vision and converges to the first sphere positive lens L2, and the first sphere is just
Central vision light is entered line convergence by lens L2 again, and central vision light is finally converged to the 4th sphere through the second diaphragm S2
Negative lens L3 central area；Central vision light after transmission microscope group is assembled is successively through the 4th sphere negative lens L3, and second
Sphere positive lens L4, the 3rd sphere positive lens L5, the 4th sphere positive lens L6, the 5th sphere positive lens L7 and the 5th sphere are negative saturating
Mirror L8 is transmitted and is imaged in the central area of image planes.
The light at the 3rd speculum R1 field of view of receiver edge simultaneously reflexes to the 4th speculum R2, and the 4th speculum R2 is again by it
The 4th sphere negative lens L3 fringe region is reflexed to through the second diaphragm S2；Peripheral field light after speculum group is assembled
The transmission of 5 lens in repeated microscope group and image in the fringe region of image planes successively.
Each surface parameter refers to table 7 in relaying microscope group Z3.
Table 7 relays microscope group Z3 each surface parameter
It is calculated by design parameter and optical theory：The effective focal length of the weight structure of wide-angle lens first of embodiment two
F1 is 2.11mm, and the effective focal length F2 of the second weight structure is 1.80mm, and wide-angle lens of the invention is compact-sized, its overall optics
Overall length L is less than 40mm, and the ω of full filed angle 2 is 200 °, suitable for visible wavelength.
The MTF (Modulation Transfer Function) of the wide-angle lens of present embodiment two as shown in figure 9, its
Middle transverse axis representation space frequency, unit：Line is to every millimeter (lp/mm)；The longitudinal axis is MTF numerical value, and MTF numerical value is used for evaluating camera lens
Image quality, span 0-1, MTF curve it is higher represent camera lens image quality it is better, to true picture also proper energy
Power is stronger.It can be seen that for the double structure in wide-angle lens, when transverse axis spatial frequency reaches 120lp/
Mm, and when the angle of visual field reaches 200 °, mtf value is held in more than 0.2, has preferable imaging capability.
Figure 10 is the optics point range figure of double structure in present embodiment two, and picture point is smaller to represent that image quality is more preferable,
It can be seen that each visual field root mean square radii value (RMS) of the present embodiment is respectively less than 8 μm, image quality is good.
To sum up, presently preferred embodiments of the present invention is these are only, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc., the protection of the present invention should be included in
Within the scope of.
Claims (4)
1. a kind of catadioptric spliced wide-angle lens, including transmission microscope group, speculum group and relaying microscope group, the transmission microscope group are used for
The light of central vision is transmitted and converges to the relaying microscope group, the speculum group is used to reflect the light of peripheral field
And the relaying microscope group is converged to, the relaying microscope group is used for the light focusing of central vision in the border circular areas of image plane center
It is interior, by the light focusing of peripheral field in the annular region at the image planes edge, it is characterised in that the border circular areas it is big
Small change is according to the demand of user by the Focussing of described transmission microscope group, and the size variation of the annular region is according to user
Demand by the speculum group Focussing；
The transmission microscope group, speculum group and relaying microscope group are arranged in order from object end to the image end, wherein the diaphotoscope group includes
The 3rd sphere negative lens (L1) and the first sphere positive lens (L2) being arranged in order along the light direction of propagation；
The speculum group includes the 4th speculum (R2) and the 3rd speculum (R1) that are arranged in order along the light direction of propagation, and two
Piece speculum is annular；
Second diaphragm (S2) for relaying microscope group and including being arranged in order along the light direction of propagation, the 4th sphere negative lens (L3),
Second sphere positive lens (L4), the 3rd sphere positive lens (L5), the 4th sphere positive lens (L6), the 5th sphere positive lens (L7) and
5th sphere negative lens (L8)；
The light that the 3rd sphere negative lens (L1) receives central vision simultaneously converges to the first sphere positive lens (L2), and described the
Central vision light is entered line convergence by one sphere positive lens (L2) again, and central vision light is finally understood through the second diaphragm (S2)
Gather to the central area of the 4th sphere negative lens (L3)；Central vision light after transmission microscope group is assembled is successively through the 4th
Sphere negative lens (L3), the second sphere positive lens (L4), the 3rd sphere positive lens (L5), the 4th sphere positive lens (L6), the 5th
Sphere positive lens (L7) and the 5th sphere negative lens (L8) transmit and image in the central area of image planes；
The light at the 3rd speculum (R1) the field of view of receiver edge simultaneously reflexes to the 4th speculum (R2), the 4th speculum (R2)
It is reflexed to the fringe region of the 4th sphere negative lens (L3) through the second diaphragm (S2) again；After speculum group is assembled
Peripheral field light successively through it is described relaying microscope group in 6 lens transmission and image in the fringe region of image planes.
2. a kind of catadioptric spliced wide-angle lens as claimed in claim 1, it is characterised in that the 4th speculum (R2) sets
Put the ring edge between diaphragm in the 3rd sphere negative lens (L1).
A kind of 3. catadioptric spliced wide-angle lens as claimed in claim 2, it is characterised in that each optics in the transmission microscope group
The supplemental characteristic on surface is as follows：
Surface serial number in upper table is incremented by successively along light transmission direction, close to the surface serial number 1 of object plane；
The reflecting surface of 3rd speculum (R1) is quadratic surface, and its surface equation is：Wherein
K represents quadratic surface coefficient；No. 5 surfaces of the 3rd speculum (R1) and the supplemental characteristic on No. 6 surfaces of the 4th speculum (R2)
It is as follows：
The supplemental characteristic of each optical surface is as follows in the relaying microscope group：
A kind of 4. catadioptric spliced wide-angle lens as claimed in claim 3, it is characterised in that the aspheric in the optical surface
Face mirror uses model A5514_55 plastic processings.
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| CN104570289B (en) * | 2015-01-20 | 2018-02-02 | 北京理工大学 | A kind of blind-area-free panoramic camera lens for mobile terminal |
| CN104570288B (en) * | 2015-01-20 | 2017-06-06 | 北京理工大学 | A kind of blind-area-free panoramic camera lens |
| CN107092078A (en) * | 2017-06-27 | 2017-08-25 | 中山联合光电科技股份有限公司 | A kind of reflective panorama optical imaging system |
| CN109188659A (en) * | 2018-10-23 | 2019-01-11 | 高新兴科技集团股份有限公司 | A kind of double omnidirectional imaging systems of flake-reflexed and method |
| CN110673313B (en) * | 2019-09-27 | 2021-09-14 | 上海电机学院 | Zoom fisheye lens system and design method |
| CN110609379B (en) * | 2019-10-29 | 2021-06-25 | 长春理工大学 | Dual-channel common lens type optical system |
| CN113267873B (en) * | 2020-02-17 | 2022-11-25 | 北京百度网讯科技有限公司 | Imaging lens and imaging device compatible with visible light and near infrared |
| CN111443473B (en) * | 2020-05-11 | 2022-03-11 | 杭州电子科技大学 | Compact off-axis reflective telephoto optical lens for mobile terminal |
| CN114353740B (en) * | 2022-01-27 | 2023-02-14 | 中国科学院长春光学精密机械与物理研究所 | Imaging method and system for flight attitude of aircraft taking earth as target |
| CN114779475B (en) * | 2022-04-29 | 2024-07-02 | 京东方科技集团股份有限公司 | Display device and wearable display equipment |
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| US6493032B1 (en) * | 1996-06-24 | 2002-12-10 | Be Here Corporation | Imaging arrangement which allows for capturing an image of a view at different resolutions |
| US5710661A (en) * | 1996-06-27 | 1998-01-20 | Hughes Electronics | Integrated panoramic and high resolution sensor optics |
| US7408703B2 (en) * | 2001-11-13 | 2008-08-05 | Matsushita Electric Industrial Co., Ltd. | Wide-angle imaging optical system and wide-angle imaging apparatus surveillance imaging apparatus vehicle-mounted imaging apparatus and projection apparatus using the wide-angle imaging optical system |
| CN1957282B (en) * | 2004-02-06 | 2012-02-29 | 因特科学公司 | Integrated panoramic and forward optical device, system and method for omnidirectional signal processing |
| CN102455486B (en) * | 2010-10-20 | 2014-04-30 | 鸿富锦精密工业（深圳）有限公司 | Ultra wide-angle lens |
| CN102508354B (en) * | 2011-10-27 | 2013-07-10 | 浙江大学 | Device and method of using panorama zone lens for achieving panorama telescopic combination imaging |
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| CN103995343B (en) | 2016-04-27 |
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