CN106094184A - Miniaturization big zoom ratio digital-code far-sighting camera lens and method of work thereof - Google Patents
Miniaturization big zoom ratio digital-code far-sighting camera lens and method of work thereof Download PDFInfo
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- CN106094184A CN106094184A CN201610724250.9A CN201610724250A CN106094184A CN 106094184 A CN106094184 A CN 106094184A CN 201610724250 A CN201610724250 A CN 201610724250A CN 106094184 A CN106094184 A CN 106094184A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
- G02B15/163—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
- G02B15/167—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
- G02B15/173—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses arranged +-+
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
Abstract
The present invention relates to a kind of miniaturization big zoom ratio digital-code far-sighting camera lens, including the focal power set successively along light incident direction from left to right as front group of positive A, focal power be compensation group C, iris assembly D and focal power that negative zoom group B, focal power are positive be rear fixing group of positive E；Further relate to the method for work of a kind of miniaturization big zoom ratio digital-code far-sighting camera lens, comprise the steps of focal power that light incident direction from left to right sets successively as front group of positive A, focal power be compensation group C, iris assembly D and focal power that negative zoom group B, focal power are positive be rear fixing group of positive E, and carry out Power focus, power zoom and the adjustment of electronic light modulation.The present invention not only reasonable in design, compact, and realize lightweight, miniaturization, zoom ratio is big, transmitance is high, zoom image is clear, observed range remote, also substantially increases the ability of camera lens vibration resistance, impact.
Description
Technical field
The present invention relates to a kind of miniaturization big zoom ratio digital-code far-sighting camera lens and method of work thereof.
Background technology
Digital-code far-sighting camera lens requires that volume is little, light weight, observed range are remote, definition is high at present.Traditional telephoto lens
Optical texture form be made up of object lens, eyepiece, but generally also exist volume compared with big, zoom ratio is little, transmitance is low, zoom figure
As fuzzy, be not suitable for hand-held observation and use.
Summary of the invention
In view of the deficiencies in the prior art, the technical problem to be solved is to provide a kind of miniaturization big zoom ratio number
Code telephoto lens and method of work thereof, not only reasonable in design, and also the most convenient.
In order to solve above-mentioned technical problem, the technical scheme is that a kind of miniaturization big zoom ratio digital telescope
Head, is negative zoom group B, light including the focal power set successively along light incident direction from left to right as front group of positive A, focal power
Compensation group C, iris assembly D and the focal power that focal power is positive is rear fixing group of positive E, and described front group A comprises along light
Negative crescent moon lens A-1, positive crescent moon lens A-2, biconvex lens A-3 and the positive crescent moon lens A-that incident direction is arranged from left to right
4, described negative crescent moon lens A-1 and positive crescent moon lens A-2 contiguity are the first glued group, and described zoom group B comprises along light from a left side
To the right incident direction arrange negative crescent moon lens B-1, biconcave lens B-2 and biconvex lens B-3, described biconcave lens B-2 with
Biconvex lens B-3 contiguity is the second glued group, and described compensation group C comprises the lenticular arranged along light incident direction from left to right
Mirror C-1, negative crescent moon lens C-2, biconvex lens C-3 and positive crescent moon lens C-4, described negative crescent moon lens C-2 and biconvex lens
C-3 contiguity is the 3rd glued group, described after fixing group E comprise arrange along light incident direction from left to right biconcave lens E-1,
Positive crescent moon lens E-2, positive crescent moon lens E-3, negative crescent moon lens E-4 and biconvex lens E-5, described biconcave lens E-1 with just
Crescent moon lens E-2 contiguity is the 4th glued group, and described negative crescent moon lens E-4 and biconvex lens E-5 contiguity is the 5th glued group.
Preferably, the airspace between described front group A and zoom group B is 1.3～77.2mm；Described zoom group B and benefit
The airspace repaid between group C is 115.2～4.5mm；Airspace between described compensation group C and rear fixing group E is 41.6
～6.8mm.
Preferably, the airspace between the described first glued group and biconvex lens A-3 is 1.5mm, described biconvex lens
Airspace between A-3 and positive crescent moon lens A-4 is 0.7mm, the sky between the glued group of described negative crescent moon lens B-1 and second
Gas interval is 2.4mm, and the airspace between the glued group of described biconvex lens C-1 and the 3rd is 0.2mm, the described 3rd glued group
Air and the airspace between positive crescent moon lens C-4 is 0.2mm, between the described 4th glued group and positive crescent moon lens E-3
Interval is 0.1mm, and the airspace between the glued group of described positive crescent moon lens E-3 and the 5th is 8.1mm.
Preferably, in the described first glued group is installed on front group of microscope base and it is fixed and clamped by front group of trim ring, described front group
Microscope base is compressed by front group of microscope base trim ring and is arranged on body tube, described positive crescent moon lens A-4, focusing spacer ring and biconvex lens
It is fixed and clamped in A-3 is installed on focusing microscope base according to sequencing and by focusing on trim ring, described body tube has processing two
The straight trough that 180 ° of precisions are uniform, described focusing cam machined two uniform linear skewed slots of 180 ° of precisions and by focus on convex
Wheel load snare is located at outside body tube, focuses on one end and the described focusing microscope base of guide pin and fixes and is connected, another of described focusing guide pin
End is slidably matched through corresponding straight trough with linear skewed slot, and focus motor is arranged on described body tube by focus motor frame
On, focus motor gear driven focuses on cam rotation, thus drives described focusing guide pin to drive focusing microscope base axial along straight trough
Movable.
Preferably, in described second glued group, negative crescent moon lens B-1 are installed on zoom microscope base according to sequencing and pass through
Zoom trim ring compresses, and described zoom microscope base, by being fixed in being threadably mounted at zoom Mobile base and with zoom clamp ring, becomes
Times guide pin bushing is arranged on described zoom Mobile base by interference fit；Described biconvex lens C-1, compensation spacer ring the I, the 3rd are glued
Group, compensation spacer ring II and positive crescent moon lens C-4 are arranged on compensation microscope base according to sequencing and compress with compensating pressing plate, institute
State compensation microscope base and compensate in Mobile base by being threadably mounted at, compensate guide pin bushing and be arranged on described compensation Mobile base by interference fit
On, described zoom guide pin bushing and compensation guide pin bushing are arranged on guide rod and are slidably matched with guide rod respectively, and three described guide rods are by leading
Bar pressing plate is separately fixed on body tube, and zoom cam is placed on described body tube by steel ball and by zoom cam trim ring pressure
Tightly forming rolling bearing structure, described zoom cam processes a zoom curved groove and by the requirement of the optical zoom equation of motion
Bar compensating curve groove, described body tube offers zoom straight trough and compensates straight trough, and zoom cam guide pin one end is moved with zoom
Seat is fixing to be connected, and the other end of described zoom cam guide pin is joined through zoom straight trough with the zoom curved groove slip on zoom cam
Closing, compensate cam guide pin one end and be connected with compensating Mobile base and fixing, the other end of described compensation cam guide pin is through compensating straight trough
It is slidably matched with the compensating curve groove on zoom cam；Zoom motor is arranged on described body tube by zoom motor frame, becomes
Burnt motor gear drives zoom cam rotation, and described zoom cam guide pin and compensation cam guide pin are simultaneously along the most straight to zoom
Groove drives zoom Mobile base respectively with compensating straight trough and compensates moving axially back and forth of Mobile base.
Preferably, zoom potentiometer is arranged on described body tube by zoom potentiometer frame, two zoom microswitch
It is separately mounted on described body tube by zoom microswitch frame, described zoom cam driven zoom potentiometer pinion rotation,
So that the resistance of described zoom potentiometer changes, between the resistance of focal length and zoom potentiometer, form man-to-man pass
System.
Preferably, light hurdle sheet is arranged on light hurdle seat by light hurdle rivet, and light hurdle rotating ring is compressed by light hurdle rotating ring trim ring
Being arranged on described smooth hurdle seat by light hurdle motor rack at described smooth hurdle seat, light hurdle motor and light hurdle potentiometer, two light hurdles are micro-
Dynamic switch is arranged on described smooth hurdle seat by light hurdle microswitch frame, and light hurdle motor gear drives light hurdle rotating ring through light hurdle third wheel
Rotate thus drive light hurdle sheet to rotate, thus control the change of light hurdle openings of sizes；Described smooth hurdle motor gear drives light hurdle electricity
Position device pinion rotation, so that the resistance of described smooth hurdle potentiometer changes, light hurdle openings of sizes and the resistance of light hurdle potentiometer
Man-to-man relation is formed between value.
Preferably, described 4th gluing group, rear group spacer ring I, positive crescent moon lens E-3, rear group spacer ring the II and the 5th gluing
In group is installed on light hurdle seat successively and it is fixed by rear group of trim ring.
Preferably, video camera is fixed by screws on video camera movable plate, and video camera movable plate is fixed further through screw
On camera pedestal, described camera pedestal is fixed by screws on light hurdle seat.
The method of work of a kind of miniaturization big zoom ratio digital-code far-sighting camera lens, including any one miniaturization described above
Big zoom ratio digital-code far-sighting camera lens, comprise the steps of light incident light focal power from left to right be positive front group of A, focal power be
Compensation group C, iris assembly D and focal power that negative zoom group B, focal power are positive are imaging after rear fixing group of positive E,
And carry out Power focus, power zoom and the adjustment of electronic light modulation.
Compared with prior art, the method have the advantages that the present invention not only reasonable in design, compact, and
And realizing lightweight, miniaturization, zoom ratio is big, transmitance is high, zoom image is clear, observed range remote, also substantially increases mirror
Head vibration resistance, the ability of impact；
Present invention lightweight to be realized, miniaturization, it is most important that the overall length of optical system will be shortened as far as possible and reduce radial ruler
Very little.The shortening of optical system overall length, it is desirable to the zoom group of system and the moving range of compensation group are the least, simultaneously in order to realize
The big zoom ratio of optical system 45 times, is necessary for using optimum zoom cam curve design so that the helical pitch of zooming procedure is little, light
Learn total length, the compact of whole system；
Biconvex lens A-3 in front group of A and positive crescent moon lens A-4 is designed as focusing group by the present invention, by changing focusing group
Before and after interval realize focusing function, it is achieved inner focusing, the thus comparable waterproof effect realizing the present invention easily；
The present invention is for pursuing higher resolution, during optical design, is provided with glued group and two panels plus lens, no in front group of A
Improve only the focal power ability to take the burden of ray height the highest front group, and significantly reduce optical lens second order spectrum etc.
Aberration, makes the resolution of camera lens significantly improve；
The present invention has the functions such as Power focus, power zoom, electronic light modulation, can realize the automatization controlled, and ensure
On the premise of compact mechanical structure, take series of measures, improve the ability of camera lens vibration resistance, impact.
The present invention will be further described in detail with detailed description of the invention below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the optical path structure schematic diagram of the embodiment of the present invention.
Fig. 2 is the schematic internal view of embodiment of the present invention unitary construction.
Fig. 3 is the outside schematic diagram of embodiment of the present invention unitary construction.
Fig. 4 is the internal structure schematic diagram of embodiment of the present invention focus pack.
Fig. 5 is the external structure schematic diagram of embodiment of the present invention focus pack.
Fig. 6 is the internal structure schematic diagram of embodiment of the present invention variable focus package.
Fig. 7 is the external structure schematic diagram of embodiment of the present invention variable focus package.
Fig. 8 is the internal structure schematic diagram of embodiment of the present invention light hurdle assembly.
Fig. 9 is the external structure schematic diagram of embodiment of the present invention light hurdle assembly.
In figure: organize A, A-1-before A-and bear crescent moon lens A-1, A-2-positive crescent moon lens A-2, A-3-biconvex lens A-3, A-4-
Positive crescent moon lens A-4, B-focal power is negative zoom group B, and B-1-bears crescent moon lens B-1, and B-2-biconcave lens B-2, B-3-are double
Convex lens B-3, C-focal power is positive compensation group C, and C-1-biconvex lens C-1, C-2-bear crescent moon lens C-2, C-3-lenticular
Mirror C-3, C-4-positive crescent moon lens C-4, D-iris assembly D, fixing group E, E-1-biconcave lens E-1, the E-2-first month of the lunar year after E-
Tooth lens E-2, E-3-positive crescent moon lens E-3, E-4-bear crescent moon lens E-4, E-5-biconvex lens E-5；
F-focus pack, G-variable focus package, H-light hurdle assembly；
Organizing microscope base before 1-, organize trim ring before 2-, organize microscope base trim ring, 4-body tube before 3-, 5-focuses on spacer ring, and 6-focuses on microscope base, and 7-gathers
Burnt trim ring, 8-focuses on cam, and 9-focuses on cam trim ring, and 10-focuses on guide pin, 11-focus motor, 12-focus motor frame, and 13-gathers
Burnt motor gear, 14-focuses on banking pin, and 15-focuses on microswitch, and 16-focuses on microswitch frame；
17-zoom microscope base, 18-zoom trim ring, 19-zoom Mobile base, 20-zoom clamp ring, 21-zoom guide pin bushing, 22-compensate every
Circle I, 23-compensates spacer ring II, and 24-compensates microscope base, and 25-compensates pressing plate, and 26-compensates Mobile base, and 27-compensates guide pin bushing, 28-guide rod,
29-guide rod pressing plate, 30-zoom cam, 31-steel ball, 32-zoom cam trim ring, 33-zoom cam guide pin, 34-compensates cam and leads
Nail, 35-zoom motor, 36-zoom motor frame, 37-zoom motor gear, 38-zoom potentiometer, 39-zoom potentiometer frame,
The spacing guide pin of 40-zoom, 41-zoom microswitch, 42-zoom microswitch frame, 43-zoom potentiometer gear 43；
44-light hurdle sheet, 45-light hurdle rivet, 46-light hurdle seat, 47-light hurdle rotating ring, 48-light hurdle rotating ring trim ring, 49-light hurdle motor,
50-light hurdle potentiometer, 51-light hurdle motor rack, 52-light hurdle microswitch, 53-light hurdle microswitch frame, 54-light hurdle motor tooth
Wheel, 55-light hurdle third wheel, 56-light hurdle potentiometer gear, organize spacer ring I after 57-, after 58-, organize spacer ring II, after 59-, organize trim ring, 60-takes the photograph
Camera, 61-video camera movable plate, 62-camera pedestal, 63-light hurdle banking pin.
Detailed description of the invention
For the features described above of the present invention and advantage can be become apparent, special embodiment below, and coordinate accompanying drawing, make in detail
Carefully it is described as follows.
As shown in Fig. 1 ~ 9, a kind of miniaturization big zoom ratio digital-code far-sighting camera lens, including along light incident direction from left to right
The focal power set successively as front group of positive A, focal power be negative zoom group B, focal power be positive compensation group C, iris group
Part D and focal power are rear fixing group of positive E, and described front group A comprises the negative crescent moon arranged along light incident direction from left to right
Lens A-1, positive crescent moon lens A-2, biconvex lens A-3 and positive crescent moon lens A-4, described negative crescent moon lens A-1 and positive crescent moon
Lens A-2 contiguity is the first glued group, and described zoom group B comprises the negative crescent moon lens arranged along light incident direction from left to right
B-1, biconcave lens B-2 and biconvex lens B-3, described biconcave lens B-2 and biconvex lens B-3 contiguity is the second glued group,
Described compensation group C comprises the biconvex lens C-1 along the setting of light incident direction from left to right, negative crescent moon lens C-2, biconvex lens
C-3 and positive crescent moon lens C-4, described negative crescent moon lens C-2 and biconvex lens C-3 contiguity are the 3rd glued group, described rear solid
Surely group E comprise along light incident direction from left to right arrange biconcave lens E-1, positive crescent moon lens E-2, positive crescent moon lens E-3,
Negative crescent moon lens E-4 and biconvex lens E-5, described biconcave lens E-1 and positive crescent moon lens E-2 contiguity are the 4th glued group,
Described negative crescent moon lens E-4 and biconvex lens E-5 contiguity is the 5th glued group.
In embodiments of the present invention, the airspace between described front group A and zoom group B is 1.3～77.2mm；Described change
Airspace between group B and compensation group C is 115.2～4.5mm again；Between the air between described compensation group C and rear fixing group E
Every being 41.6～6.8mm.
In embodiments of the present invention, the airspace between the described first glued group and biconvex lens A-3 is 1.5mm, institute
The airspace stated between biconvex lens A-3 and positive crescent moon lens A-4 is 0.7mm, and described negative crescent moon lens B-1 and second is glued
Airspace between group is 2.4mm, and the airspace between the glued group of described biconvex lens C-1 and the 3rd is 0.2mm, described
Airspace between 3rd glued group and positive crescent moon lens C-4 is 0.2mm, the described 4th glued group and positive crescent moon lens E-3
Between airspace be 0.1mm, the airspace between described positive crescent moon lens E-3 and the 5th glued group is 8.1mm.
In embodiments of the present invention, in the described first glued group is installed on front group of microscope base 1 and by the fixing pressure of front group of trim ring 2
Tightly, described before group microscope base 1 compressed by front group of microscope base trim ring 3 and be arranged on body tube 4, described positive crescent moon lens A-4, focusing every
It is fixed and clamped in circle 5 and biconvex lens A-3 is installed on focusing microscope base 6 according to sequencing and by focusing on trim ring 7, described master
There are two straight troughs that 180 ° of precisions are uniform of processing on lens barrel 4, described focusing cam 8 machined two lines that 180 ° of precisions are uniform
Property skewed slot being set in outside body tube 4 by focusing on cam trim ring 9, the one end focusing on guide pin 10 is fixed with described focusing microscope base 6
Connecting, the other end of described focusing guide pin 10 is slidably matched through corresponding straight trough with linear skewed slot, and focus motor 11 passes through
Focus motor frame 12 is arranged on described body tube 4, and focus motor gear 13 drives focusing cam 8 to rotate, thus drives described
Focusing on guide pin 10 drives focusing microscope base 6 to move axially back and forth along straight trough.
In embodiments of the present invention, the described second glued group, negative crescent moon lens B-1 are installed on zoom mirror according to sequencing
Compressing in seat 17 and by zoom trim ring 18, described zoom microscope base 17 is interior and use zoom by being threadably mounted at zoom Mobile base 19
Clamp ring 20 is fixed, and zoom guide pin bushing 21 is arranged on described zoom Mobile base 19 by interference fit；Described biconvex lens
C-1, the glued group of compensation spacer ring the I 22, the 3rd, compensation spacer ring II 23 and positive crescent moon lens C-4 are arranged on benefit according to sequencing
Repaying on microscope base 24 and compress with compensating pressing plate 25, described compensation microscope base 24, by being threadably mounted in compensation Mobile base 26, compensates
Guide pin bushing 27 is arranged on described compensation Mobile base 26 by interference fit, and described zoom guide pin bushing 21 and compensation guide pin bushing 27 are arranged on and lead
Being slidably matched on bar 28 and respectively with guide rod 28, three described guide rods 28 are separately fixed on body tube 4 by guide rod pressing plate 29,
Zoom cam 30 is placed on described body tube 4 by steel ball 31 and compresses with zoom cam trim ring 32 and forms rolling bearing knot
Structure, described zoom cam 30 processes a zoom curved groove and a compensating curve groove by the requirement of the optical zoom equation of motion,
Offer zoom straight trough on described body tube 4 and compensate straight trough, in zoom cam guide pin 33 one end and zoom guide pin bushing 21 company of fixing
Connecing, the other end of described zoom cam guide pin 33 is slidably matched through zoom straight trough with the zoom curved groove on zoom cam 30,
Compensation cam guide pin 34 one end is fixing with compensation guide pin bushing 27 to be connected, and the other end of described compensation cam guide pin 34 is through compensating straight trough
It is slidably matched with the compensating curve groove on zoom cam 30；Zoom motor 35 is arranged on described body tube by zoom motor frame 36
On 4, zoom motor gear 37 drives zoom cam 30 to rotate, described zoom cam guide pin 33 and edge while of compensating cam guide pin 34
And each zoom straight trough is driven zoom Mobile base 19 respectively with compensating straight trough and compensates moving axially back and forth of Mobile base 26.
In embodiments of the present invention, zoom potentiometer 38 is arranged on described body tube 4 by zoom potentiometer frame 39, and two
Individual zoom microswitch 41 is separately mounted on described body tube 4 by zoom microswitch frame 42, and described zoom cam 30 carries
Dynamic zoom potentiometer gear 43 rotates, so that the resistance of described zoom potentiometer 38 changes, thus, and focal length and zoom electricity
Form man-to-man relation between the resistance of position device 38, the preparatory function of focal length can be realized by this approach sensor.
In embodiments of the present invention, light hurdle sheet 44 is arranged on light hurdle seat 46 by light hurdle rivet 45, and light hurdle rotating ring 47 leads to
Crossing light hurdle rotating ring trim ring 48 and be pressed on described smooth hurdle seat 46, light hurdle motor 49 and light hurdle potentiometer 50 are pacified by light hurdle motor rack 51
Being contained on described smooth hurdle seat 46, two light hurdle microswitch 52 are arranged on described smooth hurdle seat 46 by light hurdle microswitch frame 53
On, light hurdle motor gear 54 drives light hurdle rotating ring 47 to rotate through light hurdle third wheel 55 thus drives light hurdle sheet 44 to rotate, thus controls
The change of light hurdle openings of sizes；Described smooth hurdle motor gear 54 drives light hurdle potentiometer gear 56 to rotate, so that described smooth hurdle
The resistance of potentiometer 50 changes, and forms man-to-man relation between the resistance of light hurdle openings of sizes and light hurdle potentiometer 50.
In embodiments of the present invention, the described 4th glued group, rear group spacer ring I 57, positive crescent moon lens E-3, rear group spacer ring II
58 and the 5th glued group be installed on light hurdle seat 46 successively in and be fixed by rear group of trim ring 59.
In embodiments of the present invention, video camera 60 is fixed by screws on video camera movable plate 61, video camera movable plate
61 are fixed on camera pedestal 62 further through screw, and described camera pedestal 62 is fixed by screws on light hurdle seat 46.
In embodiments of the present invention, the method for work of a kind of miniaturization big zoom ratio digital-code far-sighting camera lens, including above-mentioned institute
Any one miniaturization big zoom ratio digital-code far-sighting camera lens stated, comprising the steps of light incident light focal power from left to right is
Positive front group of A, focal power be negative zoom group B, focal power be that positive compensation group C, iris assembly D and focal power is for just
Rear fixing group of E after imaging, and carry out Power focus, power zoom and the adjustment of electronic light modulation.
In embodiments of the present invention, the optical index that pick-up lens reaches:
1. the angle of visual field: 2 ω=31.8 °～0.73 °；
2. relative aperture: short burnt D/f ' is better than 1/4；
3. focusing range: 15m～∞；
4. transmitance: more than 70%；
5. optics overall length is less than 205mm.
The present invention is not limited to above-mentioned preferred forms, and anyone can show that under the enlightenment of the present invention other are each
The miniaturization big zoom ratio digital-code far-sighting camera lens of the form of kind and method of work thereof.All according to scope of the present invention patent done equal
Deng change and modification, the covering scope of the present invention all should be belonged to.
Claims (10)
1. a miniaturization big zoom ratio digital-code far-sighting camera lens, it is characterised in that: include depending on along light incident direction from left to right
The secondary focal power set as front group of positive A, focal power be negative zoom group B, focal power be positive compensation group C, iris assembly D
And focal power is rear fixing group of positive E, described front group A comprises the negative crescent moon lens arranged along light incident direction from left to right
A-1, positive crescent moon lens A-2, biconvex lens A-3 and positive crescent moon lens A-4, described negative crescent moon lens A-1 and positive crescent moon lens
A-2 contiguity is the first glued group, described zoom group B comprise arrange along light incident direction from left to right negative crescent moon lens B-1,
Biconcave lens B-2 and biconvex lens B-3, described biconcave lens B-2 and biconvex lens B-3 contiguity is the second glued group, described
Compensation group C comprises the biconvex lens C-1 along the setting of light incident direction from left to right, negative crescent moon lens C-2, biconvex lens C-3
And just crescent moon lens C-4, described negative crescent moon lens C-2 and biconvex lens C-3 contiguity is the 3rd glued group, described rear fixing group
E comprises the biconcave lens E-1 along the setting of light incident direction from left to right, positive crescent moon lens E-2, positive crescent moon lens E-3, the negative moon
Tooth lens E-4 and biconvex lens E-5, described biconcave lens E-1 and positive crescent moon lens E-2 contiguity are the 4th glued group, described
Negative crescent moon lens E-4 and biconvex lens E-5 contiguity is the 5th glued group.
Miniaturization the most according to claim 1 big zoom ratio digital-code far-sighting camera lens, it is characterised in that: group A and change before described
Airspace between group B is 1.3～77.2mm again；Airspace between described zoom group B and compensation group C be 115.2～
4.5mm；Airspace between described compensation group C and rear fixing group E is 41.6～6.8mm.
Miniaturization the most according to claim 1 big zoom ratio digital-code far-sighting camera lens, it is characterised in that: the described first glued group
And the airspace between biconvex lens A-3 is 1.5mm, between the air between described biconvex lens A-3 and positive crescent moon lens A-4
Every being 0.7mm, the airspace between the glued group of described negative crescent moon lens B-1 and second is 2.4mm, described biconvex lens C-1
And the airspace between the 3rd glued group is 0.2mm, the airspace between the described 3rd glued group and positive crescent moon lens C-4
Being 0.2mm, the airspace between the described 4th glued group and positive crescent moon lens E-3 is 0.1mm, described positive crescent moon lens E-3
And the airspace between the 5th glued group is 8.1mm.
Miniaturization the most according to claim 1 big zoom ratio digital-code far-sighting camera lens, it is characterised in that: the described first glued group
In being installed on front group of microscope base and being fixed and clamped by front group of trim ring, described front group microscope base is compressed by front group of microscope base trim ring and is arranged on
On body tube, described positive crescent moon lens A-4, focusing spacer ring and biconvex lens A-3 are installed on focusing microscope base according to sequencing
In and by focus on trim ring be fixed and clamped, described body tube has processing two straight troughs that 180 ° of precisions are uniform, described focusing is convex
Machined two uniform linear skewed slots of 180 ° of precisions on wheel and be set in outside body tube by focusing on cam trim ring, focusing on guide pin
One end and described focusing microscope base fixing is connected, the other end of described focusing guide pin is through corresponding straight trough and linear skewed slot cunning
Dynamic cooperation, focus motor is arranged on described body tube by focus motor frame, and focus motor gear driven focuses on cam rotation,
Thus drive described focusing guide pin to drive focusing microscope base to move axially back and forth along straight trough.
Miniaturization the most according to claim 1 big zoom ratio digital-code far-sighting camera lens, it is characterised in that: described second is glued
Compressing in group, negative crescent moon lens B-1 are installed on zoom microscope base according to sequencing and by zoom trim ring, described zoom microscope base leads to
Crossing in being threadably mounted at zoom Mobile base and be fixed with zoom clamp ring, zoom guide pin bushing is arranged on described by interference fit
On zoom Mobile base；Described biconvex lens C-1, the glued group of compensation spacer ring the I, the 3rd, compensation spacer ring II and positive crescent moon lens C-4
Being arranged on compensation microscope base according to sequencing and compress with compensating pressing plate, described compensation microscope base moves by being threadably mounted at compensation
In dynamic seat, compensating guide pin bushing and be arranged on described compensation Mobile base by interference fit, described zoom guide pin bushing and compensation guide pin bushing are installed
Being slidably matched on guide rod and respectively with guide rod, three described guide rods are separately fixed on body tube by guide rod pressing plate, zoom
Cam is placed on described body tube by steel ball and compresses with zoom cam trim ring and forms rolling bearing structure, and described zoom is convex
Take turns and process a zoom curved groove and a compensating curve groove by the requirement of the optical zoom equation of motion, described body tube is offered
Having zoom straight trough and compensate straight trough, zoom cam guide pin one end is fixing with zoom Mobile base to be connected, described zoom cam guide pin
The other end is slidably matched through zoom straight trough with the zoom curved groove on zoom cam, compensates cam guide pin one end and moves with compensating
Seat is fixing to be connected, and the other end of described compensation cam guide pin is joined through compensating straight trough with the compensating curve groove slip on zoom cam
Close；Zoom motor is arranged on described body tube by zoom motor frame, zoom motor gear driven zoom cam rotation, described
Zoom cam guide pin respectively drives zoom Mobile base to zoom straight trough with compensating straight trough along respective with compensating cam guide pin simultaneously
With moving axially back and forth of compensation Mobile base.
Miniaturization the most according to claim 5 big zoom ratio digital-code far-sighting camera lens, it is characterised in that: zoom potentiometer passes through
Zoom potentiometer frame is arranged on described body tube, and two zoom microswitch are separately mounted to institute by zoom microswitch frame
Stating on body tube, described zoom cam driven zoom potentiometer pinion rotation, so that the resistance of described zoom potentiometer occurs
Change, between the resistance of focal length and zoom potentiometer 38, form man-to-man relation.
Miniaturization the most according to claim 1 big zoom ratio digital-code far-sighting camera lens, it is characterised in that: light hurdle sheet passes through light hurdle
Rivet is arranged on light hurdle seat, and light hurdle rotating ring is pressed on described smooth hurdle seat, light hurdle motor and light hurdle electricity by light hurdle rotating ring trim ring
Position device is arranged on described smooth hurdle seat by light hurdle motor rack, and two light hurdle microswitch are arranged on by light hurdle microswitch frame
On described smooth hurdle seat, light hurdle motor gear drives light hurdle rotating ring to rotate through light hurdle third wheel thus drives light hurdle sheet to rotate, thus controls
The change of light hurdle processed openings of sizes；Described smooth hurdle motor gear drives light hurdle potentiometer pinion rotation, so that described smooth hurdle is electric
The resistance of position device changes, and forms man-to-man relation between the resistance of light hurdle openings of sizes and light hurdle potentiometer.
Miniaturization the most according to claim 1 big zoom ratio digital-code far-sighting camera lens, it is characterised in that: the described 4th is glued
After group, afterwards group spacer ring I, positive crescent moon lens E-3, rear group spacer ring the II and the 5th gluing are organized in being installed on light hurdle seat successively and are passed through
Group trim ring is fixed.
Miniaturization the most according to claim 1 big zoom ratio digital-code far-sighting camera lens, it is characterised in that: video camera passes through screw
Being fixed on video camera movable plate, video camera movable plate is fixed on camera pedestal further through screw, and described camera pedestal passes through
Screw is fixed on light hurdle seat.
10. the method for work of a miniaturization big zoom ratio digital-code far-sighting camera lens, it is characterised in that include such as claim 1 ~ 9
Described any one miniaturization big zoom ratio digital-code far-sighting camera lens, comprises the steps of light incident light focal power from left to right
It is that compensation group C, iris assembly D and focal power that negative zoom group B, focal power are positive are for front group of positive A, focal power
Imaging after rear fixing group of positive E, and carry out Power focus, power zoom and the adjustment of electronic light modulation.
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| CN201610724250.9A CN106094184B (en) | 2016-08-26 | 2016-08-26 | Minimize big zoom ratio digital-code far-sighting camera lens and its method of work |
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| CN110262023A (en) * | 2019-07-17 | 2019-09-20 | 重庆奥根科技股份有限公司 | A kind of four times of continuous vari-focus 4K high definition optical systems |
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| CN111929800A (en) * | 2020-08-14 | 2020-11-13 | 西安应用光学研究所 | Multi-channel continuous zooming camera device suitable for airborne multispectral reconnaissance equipment |
| CN112799205A (en) * | 2019-11-12 | 2021-05-14 | 昆明明汇光学有限公司 | Quadruple ratio zoom eyepiece |
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| CN110262023B (en) * | 2019-07-17 | 2022-03-22 | 成都优视光电技术有限公司 | Quadruple continuous zooming 4K high-definition optical system |
| CN112799205A (en) * | 2019-11-12 | 2021-05-14 | 昆明明汇光学有限公司 | Quadruple ratio zoom eyepiece |
| CN111929800A (en) * | 2020-08-14 | 2020-11-13 | 西安应用光学研究所 | Multi-channel continuous zooming camera device suitable for airborne multispectral reconnaissance equipment |
| CN111929800B (en) * | 2020-08-14 | 2022-07-08 | 西安应用光学研究所 | Multi-channel continuous zooming camera device suitable for airborne multispectral reconnaissance equipment |
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