CN106094184B - Minimize big zoom ratio digital-code far-sighting camera lens and its method of work - Google Patents
Minimize big zoom ratio digital-code far-sighting camera lens and its method of work Download PDFInfo
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- CN106094184B CN106094184B CN201610724250.9A CN201610724250A CN106094184B CN 106094184 B CN106094184 B CN 106094184B CN 201610724250 A CN201610724250 A CN 201610724250A CN 106094184 B CN106094184 B CN 106094184B
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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 big zoom ratio digital-code far-sighting camera lens of miniaturization, including as preceding group of positive A, focal power be negative zoom group B along the light focal power that incident direction is set successively from left to right, focal power is that positive compensation group C, iris diaphgram component D and focal power are positive rear fixed group E；A kind of method of work for minimizing big zoom ratio digital-code far-sighting camera lens is further related to, is comprised the steps of：The light focal power that incident direction is set successively from left to right as preceding group of positive A, focal power is negative zoom group B, focal power is that positive compensation group C, iris diaphgram component D and focal power are positive rear fixed group E, and carry out the adjustment of Power focus, power zoom and electronic light modulation.The present invention is not only reasonable in design, compact, but also realizes lightweight, miniaturization, and zoom ratio is big, transmitance is high, zoom image clearly, observed range are remote, also substantially increases camera lens vibration resistance, the ability of impact.
Description
Technical field
The present invention relates to a kind of big zoom ratio digital-code far-sighting camera lens of miniaturization and its method of works.
Background technology
Digital-code far-sighting camera lens requirement at present is small, light weight, observed range is remote, clarity is high.Traditional telephoto lens
Optical texture form be made of object lens, eyepiece, but in the prevalence of volume is larger, zoom ratio is small, transmitance is low, zoom figure
As fuzzy, unsuitable hand-held observation uses.
Invention content
In view of the deficiencies in the prior art, the technical problems to be solved by the invention are to provide a kind of big zoom ratio number of miniaturization
Code telephoto lens and its method of work, it is not only reasonable in design but also efficiently convenient.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of big zoom ratio digital telescope of miniaturization
Head, including as preceding group of positive A, focal power being negative zoom group B, light along the light focal power that incident direction is set successively from left to right
Focal power is that positive compensation group C, iris diaphgram component D and focal power are positive rear fixed group E, organizes A before described and includes 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- of incident direction setting from left to right
4, the negative crescent moon lens A-1 and positive crescent moon lens A-2 contiguity are the first gluing unit, and the zoom group B is included along light from a left side
To the right incident direction setting negative crescent moon lens B-1, biconcave lens B-2 and biconvex lens B-3, the biconcave lens B-2 with
Biconvex lens B-3 contiguity is the second gluing unit, and the compensation group C includes the lenticular along light incident direction setting from left to right
Mirror C-1, negative crescent moon lens C-2, biconvex lens C-3 and positive crescent moon lens C-4, the negative crescent moon lens C-2 and biconvex lens
C-3 contiguity for third gluing unit, after described fixed group E include the biconcave lens E-1 along light incident direction setting from left to right,
Positive crescent moon lens E-2, positive crescent moon lens E-3, negative crescent moon lens E-4 and biconvex lens E-5, the biconcave lens E-1 with just
Crescent moon lens E-2 contiguity is the 4th gluing unit, and the negative crescent moon lens E-4 and biconvex lens E-5 contiguity is the 5th gluing unit.
Preferably, the airspace between the preceding group A and zoom group B is 1.3~77.2mm；The zoom group B is with mending
It is 115.2~4.5mm to repay the airspace between group C；Airspace between the compensation group C and rear fixed group E is 41.6
~6.8mm.
Preferably, the airspace between first gluing unit and biconvex lens A-3 is 1.5mm, the biconvex lens
Airspace between A-3 and positive crescent moon lens A-4 is 0.7mm, the sky between the negative crescent moon lens B-1 and the second gluing unit
Gas interval is 2.4mm, and the airspace between the biconvex lens C-1 and third gluing unit is 0.2mm, the third gluing unit
Airspace between positive crescent moon lens C-4 is 0.2mm, the air between the 4th gluing unit and positive crescent moon lens E-3
Interval is 0.1mm, and the airspace between the positive crescent moon lens E-3 and the 5th gluing unit is 8.1mm.
Preferably, first gluing unit is installed in preceding group of microscope base and is fixed and clamped by preceding group of trim ring, described preceding group
Microscope base is compressed by preceding group of microscope base trim ring and is mounted on body tube, the positive crescent moon lens A-4, focuses on spacer ring and biconvex lens
A-3 is installed on to focus in microscope base and pass through according to sequencing and focuses on trim ring and be fixed and clamped, and has processing two on the body tube
The uniformly distributed straight trough of 180 ° of precisions focuses on and machined two uniformly distributed linear skewed slots of 180 ° of precisions on cam and pass through and focus on cam pressure
Snare is located at outside body tube, and the one end for focusing on guide pin is fixedly connected with the focusing microscope base, and the other end for focusing on guide pin is worn
It crosses corresponding straight trough to be slidably matched with linear skewed slot, focus motor is mounted on by focus motor frame on the body tube, is gathered
Burnt motor gear, which drives, focuses on cam rotation, is moved axially back and forth so as to which the focusing guide pin be driven to focus on microscope base along straight trough drive
It is dynamic.
Preferably, second gluing unit, negative crescent moon lens B-1 are installed in zoom microscope base and pass through according to sequencing
Zoom trim ring compresses, and the zoom microscope base is become by being threadably mounted in zoom Mobile base and being fixed with zoom clamp ring
Times guide sleeve is mounted on by interference fit on the zoom Mobile base；The biconvex lens C-1, compensation spacer ring I, third are glued
Group, compensation spacer ring II and positive crescent moon lens C-4 are mounted on compensation microscope base according to sequencing and are compressed with compensation pressing plate, institute
Compensation microscope base is stated by being threadably mounted in compensation Mobile base, compensation guide sleeve is mounted on the compensation Mobile base by interference fit
On, the zoom guide sleeve and compensation guide sleeve are mounted on guide rod and are slidably matched respectively with guide rod, and three guide rods are by leading
Bar pressing plate is separately fixed on body tube, and zoom cam is placed on the body tube by steel ball and with zoom cam trim ring pressure
Tight to form rolling bearing structure, the zoom cam processes a zoom curved groove and one by the requirement of the optical zoom equation of motion
Compensated curve slot offers zoom straight trough and compensation straight trough on the body tube, and zoom cam guide pin one end is moved with zoom
Seat is fixedly connected, and the other end of the zoom cam guide pin passes through zoom straight trough to match with the zoom curved groove slip on zoom cam
It closes, compensation cam guide pin one end is fixedly connected with compensation Mobile base, and the other end of the compensation cam guide pin passes through compensation straight trough
It is slidably matched with the compensated curve slot on zoom cam；Zoom motor is mounted on by zoom motor frame on the body tube, is become
Burnt motor gear drives the rotation of zoom cam, and the zoom cam guide pin is with compensation cam guide pin simultaneously along respectively straight to zoom
Slot drives zoom Mobile base with compensating moving axially back and forth for Mobile base respectively with compensation straight trough.
Preferably, zoom potentiometer is mounted on by zoom potentiometer frame on the body tube, two zoom microswitches
It is separately mounted on the body tube by zoom microswitch frame, the zoom cam driven zoom potentiometer gear rotation,
So as to which the resistance value for making the zoom potentiometer changes, one-to-one pass is formed between the resistance value of focal length and zoom potentiometer
System.
Preferably, light bar piece is mounted on by light bar rivet on light bar seat, and light bar rotating ring is compressed by light bar rotating ring trim ring
In the light bar seat, light bar motor and light bar potentiometer are mounted on by light bar motor rack on the light bar seat, and two light bars are micro-
Dynamic switch is mounted on by light bar microswitch frame on the light bar seat, and light bar motor gear drives light bar rotating ring through light bar third wheel
Rotation is so as to drive light bar piece to rotate, so as to control the variation of light bar openings of sizes；The light bar motor gear drives light bar electricity
Position device gear rotation, so as to which the resistance value for making the light bar potentiometer changes, the resistance of light bar openings of sizes and light bar potentiometer
One-to-one relationship is formed between value.
Preferably, the 4th gluing unit, rear group spacer ring I, positive crescent moon lens E-3, rear group spacer ring II and the 5th are glued
Group is installed in light bar seat and is fixed by rear group of trim ring successively.
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, the camera pedestal is fixed by screws on light bar seat.
A kind of method of work for minimizing big zoom ratio digital-code far-sighting camera lens, including any one miniaturization described above
Big zoom ratio digital-code far-sighting camera lens, comprises the steps of：It is that positive preceding group of A, focal power are that light injects focal power from left to right
Negative zoom group B, focal power are to be imaged after positive compensation group C, iris diaphgram component D and focal power are positive rear fixed group E,
And carry out the adjustment of Power focus, power zoom and electronic light modulation.
Compared with prior art, the invention has the advantages that：The present invention is not only reasonable in design, compact, and
And realize lightweight, miniaturization, zoom ratio is big, transmitance is high, zoom image clearly, observed range are remote, also substantially increases mirror
Head vibration resistance, the ability of impact；
The present invention will realize lightweight, miniaturization, it is most important that shorten the overall length of optical system as possible and reduce diameter
To size.The shortening of optical system overall length, it is desirable that the zoom group of system and the moving range of compensation group are as small as possible, while in order to
It realizes the big zoom ratio of 45 times of optical system, must just optimal zoom cam curve be used to design so that the helical pitch of zooming procedure
It is small, the total length of optics, the compact of whole system；
Biconvex lens A-3 in preceding group of A and positive crescent moon lens A-4 are designed as focusing group by the present invention, poly- by changing
The time interval of coke group realizes focusing function, realizes inner focusing, thus may compare the waterproof effect for easily realizing the present invention；
The present invention is pursues higher resolution ratio, during optical design, is provided with gluing unit in preceding group of A and two panels is just saturating
Mirror not only increases the highest preceding focal power ability to take the burden organized of ray height, and significantly reduces optical lens two level
The aberrations such as spectrum significantly improve the resolution ratio of camera lens；
The present invention has the function of Power focus, power zoom, electronic light modulation etc., it can be achieved that the automation of control, Er Qie
Under the premise of ensureing compact mechanical structure, a series of measures is taken, improves camera lens vibration resistance, the ability of impact.
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Description of the drawings
Fig. 1 is the optical path structure schematic diagram of the embodiment of the present invention.
Fig. 2 is the schematic internal view of overall construction of the embodiment of the present invention.
Fig. 3 is the outside schematic diagram of overall construction of the embodiment of the present invention.
Fig. 4 is the internal structure schematic diagram of focus pack of the embodiment of the present invention.
Fig. 5 is the external structure schematic diagram of focus pack of the embodiment of the present invention.
Fig. 6 is the internal structure schematic diagram of variable focus package of the embodiment of the present invention.
Fig. 7 is the external structure schematic diagram of variable focus package of the embodiment of the present invention.
Fig. 8 is the internal structure schematic diagram of light bar component of the embodiment of the present invention.
Fig. 9 is the external structure schematic diagram of light bar component of the embodiment of the present invention.
In figure：A is organized before A-, A-1- bears positive crescent moon lens A-2, the A-3- biconvex lens A-3, A-4- of crescent moon lens A-1, A-2-
Positive crescent moon lens A-4, B- focal power is negative zoom group B, and it is bis- that B-1- bears crescent moon lens B-1, B-2- biconcave lens B-2, B-3-
Convex lens B-3, C- focal power bear crescent moon lens C-2, C-3- lenticular for positive compensation group C, C-1- biconvex lens C-1, C-2-
Fixed group E, E-1- biconcave lens E-1, the E-2- first month of the lunar year after positive crescent moon lens C-4, D- iris diaphgram the component D, E- of mirror C-3, C-4-
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 packs, G- variable focus packages, H- light bar components；
Microscope base is organized before 1-, trim ring is organized before 2-, microscope base trim ring, 4- body tubes are organized before 3-, 5- focuses on spacer ring, and 6- focuses on microscope base,
7- focusing trim rings, 8- focusing cams, 9- focusing cam trim rings, 10- focusing guide pins, 11- focus motors, 12- focus motor framves,
13- focus motor gears, 14- focus on banking pin, and 15- focuses on microswitch, and 16- focuses on microswitch frame；
17- zoom microscope bases, 18- zoom trim rings, 19- zoom Mobile bases, 20- zoom clamp rings, 21- zoom guide sleeves, 22- are mended
Spacer ring I, 23- compensation spacer rings II are repaid, 24- compensates microscope base, 25- compensation pressing plates, and 26- compensates Mobile base, 27- compensation guide sleeves, and 28- is led
Bar, 29- guide rod pressing plates, 30- zoom cams, 31- steel balls, 32- zoom cam trim rings, 33- zoom cam guide pins, 34- compensation are convex
Take turns guide pin, 35- zoom motors, 36- zoom motor framves, 37- zoom motor gears, 38- zoom potentiometers, 39- zoom potentiometers
Frame, 40- zooms limiting guide pin, 41- zoom microswitches, 42- zoom microswitch framves, 43- zooms potentiometer gear 43；
44- light bar pieces, 45- light bar rivets, 46- light bar seats, 47- light bar rotating rings, 48- light bar rotating ring trim rings, 49- light bars electricity
Machine, 50- light bar potentiometers, 51- light bar motor racks, 52- light bar microswitches, 53- light bar microswitch framves, 54- light bar motors
Gear, 55- light bar third wheels, 56- light bar potentiometer gears organize spacer ring I after 57-, spacer ring II are organized after 58-, trim ring, 60- are organized after 59-
Video camera, 61- video camera movable plates, 62- camera pedestals, 63- light bar banking pins.
Specific embodiment
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and coordinate attached drawing, make detailed
Carefully it is described as follows.
As shown in Fig. 1 ~ 9, the big zoom ratio digital-code far-sighting camera lens of a kind of miniaturization, including along light incident direction from left to right
The focal power set successively as preceding group of positive A, focal power is negative zoom group B, focal power is positive compensation group C, iris diaphgram group
Part D and focal power are positive rear fixed group E, and the preceding group A includes the negative crescent moon along light incident direction setting from left to right
Lens A-1, positive crescent moon lens A-2, biconvex lens A-3 and positive crescent moon lens A-4, the negative crescent moon lens A-1 and positive crescent moon
Lens A-2 contiguity is the first gluing unit, and the zoom group B includes the negative crescent moon lens along light incident direction setting from left to right
B-1, biconcave lens B-2 and biconvex lens B-3, the biconcave lens B-2 and biconvex lens B-3 contiguity are the second gluing unit,
The compensation group C includes the biconvex lens C-1 along light incident direction setting from left to right, negative crescent moon lens C-2, biconvex lens
C-3 and positive crescent moon lens C-4, the negative crescent moon lens C-2 are third gluing unit with biconvex lens C-3 contiguity, solid after described
Surely group E include along light from left to right incident direction setting 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, the biconcave lens E-1 and positive crescent moon lens E-2 contiguity are the 4th gluing unit,
The negative crescent moon lens E-4 and biconvex lens E-5 contiguity is the 5th gluing unit.
In embodiments of the present invention, the airspace between the preceding group A and zoom group B is 1.3~77.2mm；The change
The airspace between group B and compensation group C is 115.2~4.5mm again；Between air between the compensation group C and rear fixed group E
Every being 41.6~6.8mm.
In embodiments of the present invention, the airspace between first gluing unit 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 the negative crescent moon lens B-1 and second is glued
Airspace between group is 2.4mm, and the airspace between the biconvex lens C-1 and third gluing unit is 0.2mm, described
Airspace between third gluing unit and positive crescent moon lens C-4 is 0.2mm, the 4th gluing unit and positive crescent moon lens E-3
Between airspace be 0.1mm, the airspace between the positive crescent moon lens E-3 and the 5th gluing unit is 8.1mm.
In embodiments of the present invention, first gluing unit is installed in preceding group of microscope base 1 and fixes pressure by preceding group of trim ring 2
Tightly, group microscope base 1 is compressed by preceding group of microscope base trim ring 3 and is mounted on body tube 4 before described, the positive crescent moon lens A-4, focus on every
5 and biconvex lens A-3 of circle is installed on to focus in microscope base 6 and pass through according to sequencing and focuses on trim ring 7 and be fixed and clamped, the master
Have on lens barrel 4 processing two uniformly distributed straight troughs of 180 ° of precisions, focus on cam 8 on machined two 180 ° of precisions it is uniformly distributed it is linear tiltedly
Slot simultaneously passes through and focuses on cam trim ring 9 and be set in outside body tube 4, and the one end for focusing on guide pin 10 is fixedly connected with the microscope base 6 that focuses on,
The other end for focusing on guide pin 10 is slidably matched across corresponding straight trough with linear skewed slot, and focus motor 11 is by focusing on electricity
Rack 12 is mounted on the body tube 4, and focus motor gear 13 drives focusing cam 8 to rotate, so as to which the focusing be driven to lead
Nail 10 drives focusing microscope base 6 to move axially back and forth along straight trough.
In embodiments of the present invention, second gluing unit, negative crescent moon lens B-1 are installed on zoom mirror according to sequencing
In seat 17 and pass through zoom trim ring 18 and compress, the zoom microscope base 17 is by being threadably mounted in zoom Mobile base 19 and using zoom
Clamp ring 20 is fixed, and zoom guide sleeve 21 is mounted on by interference fit on the zoom Mobile base 19；The biconvex lens
C-1, compensation spacer ring I 22, third gluing unit, compensation spacer ring II 23 and positive crescent moon lens C-4 are mounted on according to sequencing and mend
It repays on microscope base 24 and is compressed with compensation pressing plate 25, the compensation microscope base 24 is by being threadably mounted in compensation Mobile base 26, compensation
Guide sleeve 27 is mounted on by interference fit on the compensation Mobile base 26, and the zoom guide sleeve 21 and compensation guide sleeve 27 are mounted on and lead
It being slidably matched on bar 28 and respectively with guide rod 28, three guide rods 28 are separately fixed at by guide rod pressing plate 29 on body tube 4,
Zoom cam 30 is placed on the body tube 4 by steel ball 31 and forms rolling bearing knot with the compression of zoom cam trim ring 32
Structure, the zoom cam 30 process a zoom curved groove and a compensated curve slot by the requirement of the optical zoom equation of motion,
Zoom straight trough and compensation straight trough are offered on the body tube 4, fixes and connects in 33 one end of zoom cam guide pin and zoom guide sleeve 21
It connecing, the other end of the zoom cam guide pin 33 is slidably matched across zoom straight trough with the zoom curved groove on zoom cam 30,
34 one end of compensation cam guide pin is fixedly connected with compensation guide sleeve 27, and the other end of the compensation cam guide pin 34 passes through compensation straight trough
It is slidably matched with the compensated curve slot on zoom cam 30；Zoom motor 35 is mounted on the body tube by zoom motor frame 36
On 4, zoom motor gear 37 drives zoom cam 30 to rotate, and the zoom cam guide pin 33 is with compensating the edge simultaneously of cam guide pin 34
It and zoom Mobile base 19 is respectively driven respectively with compensating moving axially back and forth for Mobile base 26 to zoom straight trough and compensation straight trough.
In embodiments of the present invention, zoom potentiometer 38 is mounted on by zoom potentiometer frame 39 on the body tube 4, and two
A zoom microswitch 41 is separately mounted to by zoom microswitch frame 42 on the body tube 4,30 band of zoom cam
Dynamic zoom potentiometer gear 43 rotates, and so as to which the resistance value for making the zoom potentiometer 38 changes, focal length and zoom are electric as a result,
One-to-one relationship is formed between the resistance value of position device 38, the preparatory function of focal length can be realized by this approach sensor.
In embodiments of the present invention, light bar piece 44 is mounted on by light bar rivet 45 on light bar seat 46, and light bar rotating ring 47 is logical
It crosses light bar rotating ring trim ring 48 and is pressed on the light bar seat 46, light bar motor 49 and light bar potentiometer 50 are pacified by light bar motor rack 51
On the light bar seat 46, two light bar microswitches 52 are mounted on the light bar seat 46 by light bar microswitch frame 53
On, light bar motor gear 54 drives light bar rotating ring 47 to rotate so as to which light bar piece 44 be driven to rotate through light bar third wheel 55, so as to control
The variation of light bar openings of sizes；The light bar motor gear 54 drives light bar potentiometer gear 56 to rotate, so as to make the light bar
The resistance value of potentiometer 50 changes, and one-to-one relationship is formed between the resistance value of light bar openings of sizes and light bar potentiometer 50.
In embodiments of the present invention, the 4th gluing unit, rear group spacer ring I 57, positive crescent moon lens E-3, rear group spacer ring II
58 and the 5th gluing unit be installed in light bar seat 46 and be fixed by rear group of trim ring 59 successively.
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 further through screw on camera pedestal 62, and the camera pedestal 62 is fixed by screws on light bar seat 46.
In embodiments of the present invention, a kind of method of work for minimizing big zoom ratio digital-code far-sighting camera lens, including above-mentioned institute
Any one stated minimizes big zoom ratio digital-code far-sighting camera lens, comprises the steps of：Light injects focal power from left to right
Positive preceding group of A, focal power are negative zoom group B, focal power is that positive compensation group C, iris diaphgram component D and focal power are just
Rear fixed group E after be imaged, and carry out the adjustment of Power focus, power zoom and electronic light modulation.
In embodiments of the present invention, the optical index that pick-up lens reaches：
1. field angle：2 ω=31.8 °~0.73 °；
2. relative aperture：Short focus 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, anyone can show that other are each under the enlightenment of the present invention
The big zoom ratio digital-code far-sighting camera lens of miniaturization and its method of work of kind form.It is all done according to scope of the present invention patent it is equal
Deng variation and modification, it should all belong to the covering scope of the present invention.
Claims (10)
1. a kind of big zoom ratio digital-code far-sighting camera lens of miniaturization, it is characterised in that：Including along light from left to right incident direction according to
The secondary focal power set as preceding group of positive A, focal power is negative zoom group B, focal power is positive compensation group C, iris diaphgram component D
And focal power is positive rear fixed group E, the preceding group A includes the negative crescent moon lens along light incident direction setting from left to right
A-1, positive crescent moon lens A-2, biconvex lens A-3 and positive crescent moon lens A-4, the negative crescent moon lens A-1 and positive crescent moon lens
A-2 contiguity for the first gluing unit, the zoom group B include the negative crescent moon lens B-1 along light incident direction setting from left to right,
Biconcave lens B-2 and biconvex lens B-3, the biconcave lens B-2 and biconvex lens B-3 contiguity are the second gluing unit, described
Compensation group C includes the biconvex lens C-1 along light incident direction setting from left to right, negative crescent moon lens C-2, biconvex lens C-3
And positive crescent moon lens C-4, the negative crescent moon lens C-2 and biconvex lens C-3 contiguity is third gluing unit, fixed group after described
E is included along the biconcave lens E-1 of light incident direction setting 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, the biconcave lens E-1 and positive crescent moon lens E-2 contiguity are the 4th gluing unit, described
Negative crescent moon lens E-4 and biconvex lens E-5 contiguity is the 5th gluing unit.
2. the big zoom ratio digital-code far-sighting camera lens of miniaturization according to claim 1, it is characterised in that：Group A is with becoming before described
The airspace between group B is 1.3~77.2mm again；Airspace between the zoom group B and compensation group C is 115.2~
4.5mm；Airspace between the compensation group C and rear fixed group E is 41.6~6.8mm.
3. the big zoom ratio digital-code far-sighting camera lens of miniaturization according to claim 1, it is characterised in that：First gluing unit
Airspace between biconvex lens A-3 is 1.5mm, between the air between the biconvex lens A-3 and positive crescent moon lens A-4
Every being 0.7mm, the airspace between the negative crescent moon lens B-1 and the second gluing unit is 2.4mm, the biconvex lens C-1
Airspace between third gluing unit is 0.2mm, the airspace between the third gluing unit and positive crescent moon lens C-4
It is 0.2mm, the airspace between the 4th gluing unit and positive crescent moon lens E-3 is 0.1mm, the positive crescent moon lens E-3
Airspace between the 5th gluing unit is 8.1mm.
4. the big zoom ratio digital-code far-sighting camera lens of miniaturization according to claim 1, it is characterised in that：First gluing unit
It is installed in preceding group of microscope base and is fixed and clamped by preceding group of trim ring, microscope base is organized before described and is mounted on by preceding group of microscope base trim ring compression
On body tube, the positive crescent moon lens A-4, focusing spacer ring and biconvex lens A-3 are installed on focusing microscope base according to sequencing
It is interior and pass through and focus on trim ring and be fixed and clamped, there are two uniformly distributed straight troughs of 180 ° of precisions of processing on the body tube, focus on cam
It machined two uniformly distributed linear skewed slots of 180 ° of precisions and pass through and focus on cam trim ring and be set in outside body tube, focus on the one of guide pin
End is fixedly connected with the focusing microscope base, and the other end for focusing on guide pin passes through corresponding straight trough to match with the slip of linear skewed slot
It closing, focus motor is mounted on by focus motor frame on the body tube, and focus motor gear, which drives, focuses on cam rotation, so as to
The focusing guide pin is driven focusing microscope base to be driven to move axially back and forth along straight trough.
5. the big zoom ratio digital-code far-sighting camera lens of miniaturization according to claim 1, it is characterised in that：Described second is glued
Group, negative crescent moon lens B-1 are installed in zoom microscope base according to sequencing and pass through zoom trim ring and compress, and the zoom microscope base leads to
It crosses and is threadably mounted in zoom Mobile base and is fixed with zoom clamp ring, zoom guide sleeve is mounted on described by interference fit
On zoom Mobile base；The biconvex lens C-1, compensation spacer ring I, third gluing unit, compensation spacer ring II and positive crescent moon lens C-4
It is mounted on compensation microscope base according to sequencing and is compressed with compensation pressing plate, the compensation microscope base is moved by being threadably mounted at compensation
In dynamic seat, compensation guide sleeve is mounted on by interference fit on the compensation Mobile base, the zoom guide sleeve and compensation guide sleeve installation
It is slidably matched on guide rod and respectively with guide rod, three guide rods are separately fixed at by guide rod pressing plate on body tube, zoom
Cam is placed on the body tube by steel ball and compresses to form rolling bearing structure with zoom cam trim ring, and the zoom is convex
Wheel processes a zoom curved groove and a compensated curve slot by the requirement of the optical zoom equation of motion, is opened up on the body tube
There are zoom straight trough and compensation straight trough, zoom cam guide pin one end is fixedly connected with zoom Mobile base, the zoom cam guide pin
The other end is slidably matched across zoom straight trough with the zoom curved groove on zoom cam, and compensation cam guide pin one end is moved with compensation
Seat is fixedly connected, and the other end of the compensation cam guide pin passes through compensation straight trough to match with the compensated curve slot slip on zoom cam
It closes；Zoom motor is mounted on by zoom motor frame on the body tube, and zoom motor gear drives the rotation of zoom cam, described
Zoom cam guide pin and compensation cam guide pin simultaneously along respectively driving zoom Mobile base respectively to zoom straight trough and compensation straight trough
With moving axially back and forth for compensation Mobile base.
6. the big zoom ratio digital-code far-sighting camera lens of miniaturization according to claim 5, it is characterised in that：Zoom potentiometer passes through
Zoom potentiometer frame is mounted on the body tube, and two zoom microswitches are separately mounted to institute by zoom microswitch frame
It states on body tube, the zoom cam driven zoom potentiometer gear rotation, so as to which the resistance value of the zoom potentiometer occurs
Change, one-to-one relationship is formed between focal length and the resistance value of zoom potentiometer 38.
7. the big zoom ratio digital-code far-sighting camera lens of miniaturization according to claim 1, it is characterised in that：Light bar piece passes through light bar
Rivet is mounted on light bar seat, and light bar rotating ring is pressed on the light bar seat, light bar motor and light bar electricity by light bar rotating ring trim ring
Position device is mounted on by light bar motor rack on the light bar seat, and two light bar microswitches are mounted on by light bar microswitch frame
On the light bar seat, light bar motor gear drives the rotation of light bar rotating ring so as to which light bar piece be driven to rotate through light bar third wheel, so as to control
The variation of light bar openings of sizes processed；The light bar motor gear drives the rotation of light bar potentiometer gear, so as to make the light bar electricity
The resistance value of position device changes, and one-to-one relationship is formed between the resistance value of light bar openings of sizes and light bar potentiometer.
8. the big zoom ratio digital-code far-sighting camera lens of miniaturization according to claim 1, it is characterised in that：Described 4th is glued
Group, rear group spacer ring I, positive crescent moon lens E-3, rear group II and the 5th gluing unit of spacer ring are installed on successively in light bar seat and after passing through
Group trim ring is fixed.
9. the big zoom ratio digital-code far-sighting camera lens of miniaturization according to claim 1, it is characterised in that：Video camera passes through screw
It is fixed on video camera movable plate, video camera movable plate is fixed on further through screw on camera pedestal, and the camera pedestal passes through
Screw is fixed on light bar seat.
10. a kind of method of work for minimizing big zoom ratio digital-code far-sighting camera lens, which is characterized in that including such as claim 1 ~ 9
Any one described minimizes big zoom ratio digital-code far-sighting camera lens, comprises the steps of：Light injects focal power from left to right
It is negative zoom group B for preceding group of positive A, focal power, focal power is that positive compensation group C, iris diaphgram component D and focal power are
It is imaged, and carry out the adjustment of Power focus, power zoom and electronic light modulation after positive rear fixed group E.
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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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| 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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| CN106094184B true CN106094184B (en) | 2018-06-15 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107272173B (en) * | 2017-08-10 | 2019-11-15 | 福建福光股份有限公司 | Strong Penetrating Fog high definition zooming camera lens with the continuous output function of visual field |
| CN108008518B (en) * | 2017-12-13 | 2020-08-11 | 湖北华中光电科技有限公司 | High-precision continuous zoom lens based on hyperbolic groove |
| JP7143121B2 (en) | 2018-06-05 | 2022-09-28 | キヤノン株式会社 | Zoom lens and imaging device |
| 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 |
| CN112799205B (en) * | 2019-11-12 | 2023-03-14 | 昆明明汇光学有限公司 | Quadruple ratio zoom eyepiece |
| 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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| JP2000267006A (en) * | 1999-03-18 | 2000-09-29 | Fuji Photo Optical Co Ltd | Rear focusing zoom lens |
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