CN107329243B - A kind of big target surface long-focus transmission-type high definition zoom lens - Google Patents
A kind of big target surface long-focus transmission-type high definition zoom lens Download PDFInfo
- Publication number
- CN107329243B CN107329243B CN201710686907.1A CN201710686907A CN107329243B CN 107329243 B CN107329243 B CN 107329243B CN 201710686907 A CN201710686907 A CN 201710686907A CN 107329243 B CN107329243 B CN 107329243B
- Authority
- CN
- China
- Prior art keywords
- lens
- zoom
- focusing
- group
- light bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
-
- 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 target surface long-focus transmission-type high definition zoom lens, the rear fixed group E that the compensation group C, iris D, focal power that the zoom group B, focal power that the preceding fixed group A, focal power that focal power is positive be negative be positive are positive is successively arranged in the optical system of the camera lens；Fixed group A includes biconvex lens A-1, positive crescent moon lens A-2, the first gluing unit before described；The zoom group B includes the second gluing unit, plano-concave lens B-4；The compensation group C includes biconvex lens C-1, third gluing unit, positive crescent moon lens C-4；Fixed group E includes the 4th gluing unit, the 5th gluing unit, biconcave lens E-5, biconvex lens E-6 after described.The present invention significantly reduces the aberrations such as optical lens second order spectrum, significantly improves the resolution ratio of camera lens, can be adapted to two mega pixel high definition cameras；The compact mechanical structure of camera lens of the present invention has the function of electronic light modulation, electromotion focusing, Power focus, geographical focusing, focal length value output etc..
Description
Technical field
The present invention relates to a kind of big target surface long-focus transmission-type high definition zoom lens, belong to field of photoelectric technology.
Background technique
For focal length monitoring camera, reflective structure is generally used, can achieve the total length of system, compact-sized mesh
, but that there are field angles is small, central obscuration is light-blocking, diffraction limit reduces, stray light is difficult to the defects of eliminating for reflective system；When
When using transmission-type structure, then have that system overall length is difficult to shorten, large-size glass is difficult to selection, aberration especially second order spectrum
Aberration is difficult to the problems such as correcting；As the pixel dimension of imaging sensor constantly reduces, characteristic frequency increases sharply, photoelectricity view
Frequency monitoring is also required to improve level of resolution, and more as far as possible other necessary informations (such as current system focal length value) of output, or
It is required that providing control function as much as possible (such as electromotion focusing, Power focus, geographical focusing), product competitiveness is improved.
Summary of the invention
In view of this, making camera lens the object of the present invention is to provide a kind of big target surface long-focus transmission-type high definition zoom lens
Resolution ratio significantly improve, can be adapted to two mega pixel high definition cameras.
The present invention is realized using following scheme: a kind of big target surface long-focus transmission-type high definition zoom lens, the camera lens
Optical texture includes the zoom group that the preceding fixed group A being positive along the focal power that light incident direction is set gradually, focal power are negative
B, the rear fixed group E that compensation group C, iris D and the focal power that focal power is positive are positive；Fixed group A includes successively before described
The biconvex lens A-1 of setting, positive crescent moon lens A-2 and by negative crescent moon lens A-3 and positive crescent moon lens A-4 contiguity it is glued the
One gluing unit；The zoom group B include set gradually it is close by negative crescent moon lens B-1, plano-convex lens B-2 and plano-concave lens B-3
Connect glued the second gluing unit and plano-concave lens B-4；The compensation group C includes the biconvex lens C-1 set gradually, by biconvex
The glued third gluing unit of lens C-2 and negative crescent moon lens C-3 contiguity and positive crescent moon lens C-4；Fixed group E includes after described
Fourth gluing unit glued by biconcave lens E-1 and plano-convex lens E-2 contiguity that sets gradually, by negative crescent moon lens E-3 and double
Convex lens E-4 contiguity glued the 5th gluing unit, biconcave lens E-5 and biconvex lens E-6.
Further, the airspace between the preceding fixed group A and zoom group B is 32.36~110.26mm, zoom group
Airspace between B and compensation group C is 3.02~126.84 mm, and the airspace between compensation group C and rear fixed group E is
7.35~53.27mm.
Further, in the preceding fixed group A, the airspace between biconvex lens A-1 and positive crescent moon lens A-2 is
0.25mm, the airspace between positive crescent moon lens A-2 and the first gluing unit is 2.27mm；In the zoom group B, second is glued
Airspace between group and plano-concave lens B-4 is 5.76mm；In the compensation group C, biconvex lens C-1 and third gluing unit it
Between airspace be 0.1mm, airspace between third gluing unit and positive crescent moon lens C-4 is 0.1mm；It is fixed after described
In group E, airspace between the 4th gluing unit and the 5th gluing unit is 42.09mm, the 5th gluing unit and biconcave lens E-5 it
Between airspace be 20.45mm, airspace between biconcave lens E-5 and biconvex lens E-6 is 51.58mm.
Further, the positive crescent moon lens A-2, biconvex lens C-2 are made of ultra-low dispersion material H-FK71.
Further, the mechanical mechanism of the camera lens includes the focusing microscope group 41 set gradually along optics incident direction, becomes
Burnt microscope group 43 and light modulation microscope group 46.
Further, the focusing microscope group fixed group peripheral side A before being sheathed on, including A piece pressing ring, focusing drum, body tube,
Focusing ring, focusing ring washer, AB adjustment circle, BCD microscope base, BC spacer ring, D piece pressing ring and electric focusing mechanism；The biconvex lens
A-1 is packed into focusing drum, and is compressed by A piece pressing ring；The positive crescent moon lens A-2 and by negative crescent moon lens A-3 and positive crescent moon
The first glued gluing of lens A-4 contiguity is assembled into BCD microscope base, and is compressed by D piece pressing ring；By AB adjustment circle, BCD mirror
Seat is successively transferred in focusing drum, and the focusing drum is packed into body tube, the focusing ring outside body tube, the focusing ring with
Steel ball is housed between focusing ring washer, focusing body tube；The electric focusing mechanism includes focusing motor, focusing ring and control
The focusing Hall element of focusing position, the focusing motor are mounted on body tube by motor rack of focusing, the focusing Hall
Element is mounted on body tube by Hall element seat of focusing, and is opened up on the body tube there are three Precision Machining and 90 ° are evenly distributed with
Guide groove, focusing motor gear is installed on the motor shaft of the focusing motor, the focusing ring installation on focusing drawtube with
Focusing motor gear is meshed, and fixed on the focusing drawtube side there are three 90 ° of uniformly distributed focusing guide pins, the focusing guide pins
It is matched one by one with guide groove, the focusing ring drives focusing drum to be moved forward and backward by focusing guide pin, and passes through focusing Hall element
It is limited.
Further, the zoom microscope group is sheathed on the peripheral side of zoom group B and compensation group C, including zoom balladeur train, compensation
Balladeur train, zoom lens barrel, compensation lens barrel, zoom cam and electric continuous zooming heat mechanism；The zoom group B and compensation group C live respectively
It is dynamic to be installed on the zoom balladeur train and compensation balladeur train；The zoom balladeur train and compensation balladeur train are successively installed in body tube；Institute
It states zoom cam to be mounted on body tube, the zoom cam offers 4 curved grooves；The electric continuous zooming heat mechanism includes
Zoom motor, zoom potentiometer, cam and the zoom Hall element for controlling long short focus position, the Hall element pass through
Zoom Hall element seat is mounted on body tube, and the zoom motor, zoom potentiometer pass through zoom motor frame and be mounted on master
On lens barrel, the zoom motor gear closed with cam meshing, the zoom potentiometer are installed on the motor shaft of the zoom motor
Axis on be equipped with zoom cam meshing close zoom potentiometer gear.
Further, the light modulation microscope group is sheathed on the peripheral side of iris D and rear fixed group E, including light bar seat, after
Group lens barrel, N piece pressing ring, PQ spacer ring, QR spacer ring, rear group pressing ring and electronic dimming mechanism；It is described by biconcave lens E-1 and plano-convex
The 4th glued gluing unit of lens E-2 contiguity is installed in light bar seat and is compressed by N piece pressing ring, the negative crescent moon lens E-3 and
The 5th glued gluing unit of biconvex lens E-4 contiguity, biconcave lens E-5, biconvex lens E-6 are successively installed in rear group lens barrel,
And pressing ring is organized after and is fixed；The negative crescent moon lens E-3 and biconvex lens E-4 contiguity glued the 5th gluing unit and biconcave lens
It is separated between E-5 with PQ spacer ring, is separated between the biconcave lens E-5 and biconvex lens E-6 with QR spacer ring；The electronic light modulation
Mechanism includes light bar motor, light bar potentiometer, light bar adjusting ring, light bar rotating ring, light bar piece and is open greatly for controlling light bar
The light bar Hall element of small position, the light bar Hall element are mounted on light bar seat by light bar Hall element seat, the light
Column motor, light bar potentiometer are mounted on light bar seat by light bar motor rack；Head and light bar are fixed on the light bar rotating ring
It adjusts the light bar that ring inboard groove matches and dials nail, the light bar rotating ring is pressed in light bar seat by light bar rotating ring pressing ring, described
Light bar rotating ring drives the rotation of light bar piece.
Compared with prior art, the invention has the following advantages: being conducive to improve focal length using positive group collocation structure
The characteristics of resolution ratio, the focal power ability to take the burden of the highest preceding fixed lens group of axis glazed thread height is improved, and uses multi-disc
ED(ultra-low dispersion) material, the aberrations such as optical lens second order spectrum are significantly reduced, the resolution ratio of camera lens is significantly improved, reaches
To two mega pixels, can be adapted to video camera high-definition.
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, specific embodiment and phase will be passed through below
Attached drawing is closed, invention is further described in detail.
Detailed description of the invention
Fig. 1 is the optical texture schematic diagram of the embodiment of the present invention.
Fig. 2 is the mechanical structure total figure of the embodiment of the present invention.
Fig. 3 is the sectional view of the focusing microscope group of the embodiment of the present invention.
The side view of the focusing microscope group of Fig. 4 embodiment of the present invention.
Fig. 5 is the sectional view of the zoom microscope group of the embodiment of the present invention.
Fig. 6 is the side view of the zoom microscope group of the embodiment of the present invention.
The sectional view of the light modulation microscope group of Fig. 7 embodiment of the present invention.
Fig. 8 is the side view of the light modulation microscope group of the embodiment of the present invention.
In figure: fixed group A, the positive negative crescent moon lens A-3 of crescent moon lens A-2, A-3- of A-1- biconvex lens A-1, A-2- before A-,
The positive crescent moon lens A-4 of A-4-；Negative crescent moon lens B-1, B-2- plano-convex lens B-2, the B-3- plano-concave lens B- of B- zoom group B, B-1-
3, B-4- plano-concave lens B-4；The negative crescent moon lens C- of C- compensation group C, C-1- biconvex lens C-1, C-2- biconvex lens C-2, C-3-
3, C-4- positive crescent moon lens C-4；D- iris D；Fixed group E, E-1- biconcave lens E-1, E-2- plano-convex lens E-2 after E-,
Negative crescent moon lens E-3, E-4- biconvex lens E-4, E-5- biconcave lens E-5, the E-6- biconvex lens E-5 of E-3-；
41- focusing microscope group, 42- electric focusing mechanism, 43- zoom microscope group, 44- electric continuous zooming heat mechanism, 45- electric adjustable
Ray machine structure, 46- dim microscope group；
55-A piece pressing ring, 56- focusing drum, 57- body tube, 58- focusing ring, 59- focusing ring washer, 510- focusing steel ball,
511-AB adjustment circle, 512- BCD lens barrel, 513-BC spacer ring, 514- focusing guide pin component, 515-D piece lasso, 516- focusing ring,
517- focusing magnet frame, 518- focusing magnet, 519- focusing motor rack, 520- focusing potentiometer gear, 521- focusing potentiometer,
522- focusing motor gear, 523- focusing motor, 524- focusing Hall element frame, 525- focusing Hall element；
65.GH spacer ring, 66-E piece pressing ring, 67- zoom lens barrel, 68- zoom group gasket, 69. zoom balladeur trains, 611- zoom steel
Pearl, 612- zoom guide pin component, 613- zoom cam, 614- cam steel ball washer, 617- compensate balladeur train, 618- compensation group pad
Piece, 619- compensate lens barrel, 624-IJ spacer ring, 625-KL spacer ring, 626-L piece pressing ring, 627- zoom Hall element seat, 628- zoom
Hall element, 629- zoom motor frame, 630- zoom potentiometer gear, 631- zoom potentiometer, 632- zoom motor gear,
633- zoom motor, 634- zoom magnetic receiver, 635- zoom magnet；
73- light bar rotating ring, 74- light bar piece, 75- light bar seat, 76-N piece pressing ring, 77- light bar rotating ring pressing ring, 78- light bar are dialled
Nail, 79- light bar adjust ring, 710- light bar gear pressing ring, 713-PQ spacer ring, 715-QR spacer ring, 716- rear group lens barrel, 718-R piece
Spacer ring, 719- light bar Hall element frame, 720- light bar Hall element, 721- light bar motor rack, 722- light bar potentiometer gear,
723- light bar potentiometer, 724- light bar motor gear, 725- light bar motor, 726- light bar magnet, 727- light bar magnetic receiver.
Specific embodiment
As shown in Figs. 1-2, a kind of big target surface long-focus transmission-type high definition zoom lens provided in an embodiment of the present invention, it is described
The optical texture of camera lens includes that A is organized in the preceding fixation being positive along the focal power that light incident direction is set gradually, focal power is negative
The rear fixed group E that compensation group C, iris D and the focal power that zoom group B, focal power are positive are positive；Fixed group A packet before described
It includes the biconvex lens A-1 set gradually, positive crescent moon lens A-2 and glue is touched by negative crescent moon lens A-3 and positive crescent moon lens A-4
The first gluing unit closed；The zoom group B includes setting gradually by negative crescent moon lens B-1, plano-convex lens B-2 and plano-concave lens
B-3 contiguity glued the second gluing unit and plano-concave lens B-4；The compensation group C include the biconvex lens C-1 set gradually,
By the glued third gluing unit of biconvex lens C-2 and negative crescent moon lens C-3 contiguity and positive crescent moon lens C-4；It is fixed after described
Group E includes fourth gluing unit glued by biconcave lens E-1 and plano-convex lens E-2 contiguity set gradually, by negative crescent moon lens
E-3 and biconvex lens E-4 contiguity glued the 5th gluing unit, biconcave lens E-5 and biconvex lens E-6.
In the present embodiment, the airspace between the preceding fixed group A and zoom group B is 32.36~110.26mm, is become
Airspace between times group B and compensation group C is 3.02~126.84 mm, between the air between compensation group C and rear fixed group E
Every being 7.35~53.27mm.
In the present embodiment, in the preceding fixed group A, the airspace between biconvex lens A-1 and positive crescent moon lens A-2
It is 0.25mm, the airspace between positive crescent moon lens A-2 and the first gluing unit is 2.27mm；In the zoom group B, the second glue
Being combined the airspace between plano-concave lens B-4 is 5.76mm；In the compensation group C, biconvex lens C-1 and third gluing unit
Between airspace be 0.1mm, airspace between third gluing unit and positive crescent moon lens C-4 is 0.1mm；It is solid after described
Surely it organizes in E, the airspace between the 4th gluing unit and the 5th gluing unit is 42.09mm, the 5th gluing unit and biconcave lens E-5
Between airspace be 20.45mm, airspace between biconcave lens E-5 and biconvex lens E-6 is 51.58mm.
In the present embodiment, the positive crescent moon lens A-2, biconvex lens C-2 are made of ultra-low dispersion material H-FK71.
A kind of big target surface long-focus transmission-type high definition zoom lens provided by the invention, the physical parameter symbol of each eyeglass
Close data demand shown in table 1.
The requirement of 1 eyeglass physical parameter of table
Table 1(is continuous) requirement of eyeglass physical parameter
Following optical index has been reached by the optical system that above-mentioned lens set is constituted:
Focal length: f ' min=97mm, f ' max=1015mm；
F '=1/7.96 relative aperture D/；
It is adapted to detector pixel dimension: Φ 16.4um；
Optical texture length ∑ L≤439mm；
Resolution of lens: it is adapted to two mega pixel cameras, with reference to Fig. 2, Fig. 3；
In optical design, ED(ultra-low dispersion is selected in preceding fixed group A, compensation group C) optical material H-FK71, it mentions in this way
The focal power of the highest compensation group of axis glazed thread height is held when fixed group, short focus before axis glazed thread height is highest when high focal length
Load ability significantly reduces the aberrations such as optical lens second order spectrum, resolution of lens is made to be significantly improved, reaches 2,000,000
Pixel level can be adapted to video camera high-definition；It is fixed by after for the positive group longer disadvantage of collocation structure optics overall length
Group complicates, and makes it have the characteristics of taking the photograph remote structure, effectively reduces system bulk, the ratio between optics overall length and longest focal length reach
0.43, realize the densification of system；Using electronic components such as high-accuracy potentiometers, feedback resistance value simultaneously carries out conversion meter
It calculates, continuously exports current focus, visual field, matched for measuring system；By transmission mechanisms such as motor, gear, cams, mention
For power zoom, Power focus, geographical focus function, facilitate control of the user to monitoring system.
Coatings optimization design is carried out, optical lens is made to have the transmitance higher than 80% in 450nm ~ 700nm wavelength band.
As shown in Figure 3-4, the mechanical mechanism of the camera lens includes a body tube and sets gradually along optics incident direction
In focusing microscope group 41, zoom microscope group 43 and light modulation microscope group 46 in body tube.The front of the camera lens is equipped with electric focusing mechanism
42, the middle part of the camera lens is equipped with electric continuous zooming heat mechanism 44, and the rear portion of the camera lens is equipped with electronic dimming mechanism 46.It is described
Electric focusing mechanism 42, electric continuous zooming heat mechanism 44 and electronic dimming mechanism 45 are arranged in the surrounding of camera lens.The electricity
Dynamic focus adjusting mechanism 42 is provided with the focusing potentiometer 521 of a realization focal length preparatory function and two realizations export signal function in place
The focusing Hall element 525 of energy, the focusing potentiometer 521 are precision potentiator.The electric continuous zooming heat mechanism is provided with
One zoom potentiometer 631 for realizing focal length preparatory function and two realizations export the zoom Hall element of semiotic function in place
628, the zoom potentiometer 631 is precision potentiator.The electronic dimming mechanism is provided with a realization focal length preparatory function
Light bar potentiometer 723 and two light bar Hall elements 720 for realizing output semiotic function in place, the light bar potentiometer 723
For precision potentiator.
As seen in figs. 5-6, the focusing microscope group 41 of the zoom lens include A piece pressing ring 55, focusing drum 56, body tube 57,
Focusing ring 58, focusing ring washer 59, AB adjustment circle 511, BCD microscope base 512, BC spacer ring 513, D piece pressing ring and electric focusing mechanism
42；First biconvex lens A-1 is packed into focusing drum 56, and is compressed by A piece pressing ring 55；Secondly by positive crescent moon lens A-2, by the negative moon
The first glued gluing of tooth lens A-3 and positive crescent moon lens A-4 contiguity is assembled into BCD lens barrel 512, and is pressed by D piece pressing ring 515
Tightly；BC spacer ring 513 is between positive crescent moon lens A-2 and negative crescent moon lens A-3；Again by AB adjustment circle 511, BCD lens barrel 512 according to
It is secondary to be transferred in focusing drum 56；Finally focusing drum 56 is packed into body tube 57.The electric focusing mechanism 42 includes focusing magnet
Seat 517, focusing magnet 518, focusing motor rack 519, focusing potentiometer gear 520, focusing potentiometer 521, focusing motor gear
522, focusing motor 523, focusing Hall element frame 524, focusing Hall element 525.The focusing potentiometer gear 520, focusing
Potentiometer 521, focusing motor gear 522, focusing motor 523 are installed on focusing motor rack 519, the focusing motor rack
519 are mounted on body tube 57.The focusing magnet 518 is mounted on focusing magnetic receiver 517, the focusing Hall element 525
It is mounted on focusing Hall element frame 524.The focusing magnetic receiver 517 is mounted on body tube 57, the focusing Hall element
Frame 524 is mounted on body tube 57.Precision machined 3 90 ° uniformly distributed guide grooves, the focusing ring are offered on the body tube 57
516 are mounted on body tube 57, equipped with focusing steel ball between the focusing ring 58 and focusing ring washer 59, focusing body tube 57
510；Precision machined 3 90 ° uniformly distributed linear skewed slots are offered on the focusing ring 516.The body tube 57 and focusing ring
516 are linked together by guide pin component 514 of focusing, and focusing motor gear 522 is engaged with the gear on focusing ring 516.Work as tune
When the burnt energization of motor 523 rotation, focusing ring 516 is driven to rotate by the focusing motor gear 522 on motor, focusing ring 516
Rotation drives the movement of focusing guide pin component 514 again.However guide pin component 514 of focusing is limited by the straight trough opened up on body tube 57
System, so that the rotary motion of focusing ring 516 be converted to the linear motion of focusing drum 56, to realize the tune to far and near target
It is burnt.
As Figure 7-8, the negative crescent moon lens B-1, plano-convex lens B-2, plano-concave lens B-3 and plano-concave lens B-4
It is sequentially loaded into zoom lens barrel 67, and is compressed with E piece pressing ring 66, the plano-concave lens B-4 and plano-concave lens B-4 are provided with
GH spacer ring 65；The biconvex lens C-1, biconvex lens C-2, negative crescent moon lens C-3 and positive crescent moon lens C-4 are sequentially loaded into benefit
It repays in lens barrel 619, and L piece pressing ring 626 compresses, wherein being provided with IJ spacer ring between the biconvex lens C-1 and biconvex lens C-2
624, KL spacer ring 625 is provided between the negative crescent moon lens C-3 and positive crescent moon lens C-4.The zoom lens barrel 67 passes through connection
It connects screw to be mounted on zoom balladeur train 69, be adjusted therebetween by zoom group gasket 68；The compensation lens barrel 619 passes through connection
Screw is mounted on compensation balladeur train 617, is adjusted therebetween by compensation group gasket 618.The zoom balladeur train 69, compensation balladeur train
617 with after 57 precise finiss of body tube respectively by being packed into body tube 57.The zoom cam 613 passes through zoom steel ball 611
It is mounted on body tube 57, is compressed by cam steel ball washer 614, and lockked by cam pressing ring 615；Pass through zoom steel ball
611, sliding friction when zoom cam 613 can be rotated is changed into rolling friction, to reduce when zoom cam 613 moves
Frictional force.The zoom cam 613 is machined with 2 zoom curved grooves and 2 according to the requirement of the optical zoom equation of motion respectively
Zoom cam 613 and zoom balladeur train 69, compensation balladeur train 617 are connected in one by zoom guide pin component 612 by compensated curve slot
It rises.The electric continuous zooming heat mechanism 44 include zoom Hall element frame 627, zoom Hall element 628, zoom motor frame 629,
Zoom potentiometer gear 630, zoom potentiometer 631, zoom motor gear 632, zoom motor 633, zoom magnetic receiver 634 and
Zoom magnet 635.The zoom Hall element 628 is mounted on zoom Hall element frame 627；The zoom potentiometer gear
630, zoom potentiometer 631, zoom motor gear 632 and zoom motor 633 are installed on zoom motor frame 629；It is described
Zoom magnet 635 is mounted on zoom magnetic receiver 634.The zoom cam 613 respectively with zoom potentiometer gear 630, zoom
Motor gear 632 engages.When 633 rotor of zoom motor makees positive and negative rotary motion, by zoom potentiometer gear 630, make to become
Burnt potentiometer rotor 631 is rotated synchronously with zoom cam 613.Zoom cam 613 offers zoom curved groove and compensated curve slot,
Zoom guide pin component 612 is mounted in zoom curved groove and compensated curve slot.Zoom balladeur train is driven by zoom guide pin component 612
69, compensation balladeur train 617 is moved according to the track of zoom curved groove and compensated curve slot.Also have on zoom lens barrel 67 simultaneously corresponding
Straight trough supports zoom guide pin component 612 by the straight trough of zoom lens barrel 67, and makes zoom balladeur train 69, compensates balladeur train 617
Rotary motion is changed into linear motion.The curved groove of strict control zoom guide pin component 612 and zoom cam 613, change when design
Fit clearance between the straight-line groove of times lens barrel 67 guarantees the sliding of zoom balladeur train 69, compensation balladeur train 617 in zoom lens barrel 67
It is steady comfortable, without clamping stagnation.Realize zoom group B, compensation group C by zoom motion equation requirement by the rotation of zoom motor 633 in this way
Make tandem movement, to realize the consecutive variations function of system focal length.Meanwhile the zoom cam 613 by with zoom
Potentiometer gear 630 drives zoom potentiometer gear 630 to rotate after engaging, the rotation of the zoom potentiometer gear 630 so that
The resistance value of zoom potentiometer 631 changes, and forms one-to-one pass between focal length and the resistance value of zoom potentiometer 631 as a result,
System.When the focal length of system changes, the changing value of zoom potentiometer 631 can be taken out by sample circuit appropriate, and pass
To control centre, to realize that zoom value must be shown；Conversely, order is provided by control centre, it can be achieved that focal length real-time control
System.
As shown in fig. 7, fourth gluing unit glued by biconcave lens E-1 and plano-convex lens E-2 contiguity is installed on light
It is compressed in column seat 75 and by N piece pressing ring 76；Fiveth gluing glued by negative crescent moon lens E-3 and biconvex lens E-4 contiguity
Group, biconcave lens E-5 and biconvex lens E-6 are successively installed in rear group lens barrel 716, and are organized pressing ring 718 after using and compressed；It is described
By using PQ spacer ring 713 between negative crescent moon lens E-3 and biconvex lens E-4 contiguity glued the 5th gluing unit and biconcave lens E-5
It separates, is separated between the biconcave lens E-5 and biconvex lens E-6 with QR spacer ring 715.The electronic dimming mechanism 45 includes light
Column Hall element frame 719, light bar Hall element 720, light bar motor rack 721, light bar potentiometer gear 722, light bar potentiometer
723, light bar motor gear 724 and light bar motor 725.The light bar Hall element 720 is mounted on light bar Hall element frame 719
On；The light bar magnet 727 is mounted on light bar magnetic receiver 726；The light bar potentiometer gear 722, light bar potentiometer 723,
On 725 mounting diaphragm motor rack 721 of light bar motor gear 724 and light bar motor.The light bar piece 74 is riveted on light bar rotating ring
73, on light bar seat 75.The light bar adjusts ring 79 and is mounted on light bar seat 75, and is compressed with light bar gear pressing ring 710.Pass through light
It dials nail 78 and light bar rotating ring 73, light bar is adjusted ring 79 and be linked together in column.The rear group lens barrel 716 is mounted on by joint bolt
On light bar seat 75.The light bar potentiometer gear 722, light bar motor gear 724 adjust ring 79 with light bar respectively and mesh together.
When light bar motor 725, which is powered, to be rotated, drives light bar to adjust ring 79 by light bar motor gear 724 and rotate.Light bar adjusts ring 79
Rotation dials nail 78 further through light bar and light bar rotating ring 73 is driven to rotate；The light bar rotating ring 73 is pressed on light by light bar rotating ring pressing ring 77
In column seat 75, the light bar rotating ring 73 drives light bar piece 74 to rotate.The rotation of light bar rotating ring 73 drives light bar piece 74 to rotate again, thus
The variation of aperture openings size is controlled, realizes the process of Electronic control aperture size.
Above-listed preferred embodiment, has been further described the object, technical solutions and advantages of the present invention, is answered
Understand, the foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of big target surface long-focus transmission-type high definition zoom lens, it is characterised in that: the optical texture of the camera lens includes edge
Preceding fixed A, the zoom group B that focal power is negative, the focal power organized that the focal power that light incident direction is set gradually is positive is positive
The rear fixed group E that compensation group C, iris D and focal power are positive；Fixed group A includes the biconvex lens set gradually before described
A-1, positive crescent moon lens A-2 and first gluing unit glued by negative crescent moon lens A-3 and positive crescent moon lens A-4 contiguity；It is described
Zoom group B includes second glue glued by negative crescent moon lens B-1, plano-convex lens B-2 and plano-concave lens B-3 contiguity set gradually
It is combined and plano-concave lens B-4；The compensation group C includes the biconvex lens C-1 set gradually, by biconvex lens C-2 and the negative moon
The glued third gluing unit of tooth lens C-3 contiguity and positive crescent moon lens C-4；After described fixed group E include set gradually by
The 4th glued gluing unit of biconcave lens E-1 and plano-convex lens E-2 contiguity is touched by negative crescent moon lens E-3 and biconvex lens E-4
Glued the 5th gluing unit, biconcave lens E-5 and biconvex lens E-6；Air before described between fixed group A and zoom group B
Interval is 32.36~110.26mm, and the airspace between zoom group B and compensation group C is 3.02~126.84 mm, compensation group C
Airspace between rear fixed group E is 7.35~53.27mm；Before described in fixed group A, biconvex lens A-1 and positive crescent moon
Airspace between lens A-2 is 0.25mm, and the airspace between positive crescent moon lens A-2 and the first gluing unit is
2.27mm；In the zoom group B, the airspace between the second gluing unit and plano-concave lens B-4 is 5.76mm；The compensation group
In C, airspace between biconvex lens C-1 and third gluing unit is 0.1mm, third gluing unit and positive crescent moon lens C-4 it
Between airspace be 0.1mm；After described in fixed group E, the airspace between the 4th gluing unit and the 5th gluing unit is
42.09mm, the airspace between the 5th gluing unit and biconcave lens E-5 are 20.45mm, biconcave lens E-5 and biconvex lens
Airspace between E-6 is 51.58mm；The positive crescent moon lens A-2, biconvex lens C-2 are by ultra-low dispersion material H-FK71
It is made.
2. big target surface long-focus transmission-type high definition zoom lens according to claim 1, it is characterised in that: the camera lens
Mechanical mechanism includes focusing microscope group 41, zoom microscope group 43 and the light modulation microscope group 46 set gradually along optics incident direction.
3. big target surface long-focus transmission-type high definition zoom lens according to claim 2, it is characterised in that: the focusing lens
Group fixed group peripheral side A before being sheathed on, the focusing microscope group fixed group peripheral side A before being sheathed on, including A piece pressing ring, focusing drum,
Body tube, focusing ring, focusing ring washer, AB adjustment circle, BCD microscope base, BC spacer ring, D piece pressing ring and electric focusing mechanism；It is described double
Convex lens A-1 is packed into focusing drum, and is compressed by A piece pressing ring；The positive crescent moon lens A-2 and by negative crescent moon lens A-3 and
The first glued gluing of positive crescent moon lens A-4 contiguity is assembled into BCD microscope base, and is compressed by D piece pressing ring；The AB is adjusted
Circle, BCD microscope base are successively transferred in focusing drum, and the focusing drum is packed into body tube, and the focusing ring is described outside body tube
Steel ball is housed between focusing ring and focusing ring washer, body tube；The electric focusing mechanism include focusing motor, focusing ring and
The focusing Hall element of control focusing position, the focusing motor are mounted on body tube by motor rack of focusing, the focusing
Hall element is mounted on body tube by Hall element seat of focusing, and is opened up on the body tube there are three Precision Machining and 90 °
Uniformly distributed guide groove, it is described focusing motor motor shaft on focusing motor gear is installed, the focusing ring is mounted on focusing drawtube
On, it is meshed with focusing motor gear, fixed on the focusing drawtube side there are three 90 ° of uniformly distributed focusing guide pins, the tune
Burnt guide pin matches one by one with guide groove, and the focusing ring drives focusing drum to be moved forward and backward by focusing guide pin, and suddenly by focusing
You are limited element.
4. big target surface long-focus transmission-type high definition zoom lens according to claim 3, it is characterised in that: the varifocal mirror
Group is sheathed on the peripheral side of zoom group B and compensation group C, including zoom balladeur train, compensation balladeur train, zoom lens barrel, compensation lens barrel, zoom
Cam and electric continuous zooming heat mechanism；The zoom group B and compensation group C is movably installed in the zoom balladeur train respectively and compensation is slided
On frame；The zoom balladeur train and compensation balladeur train are successively installed in body tube；The zoom cam is mounted on body tube, described
Zoom cam offers 4 curved grooves；The electric continuous zooming heat mechanism include zoom motor, zoom potentiometer, cam and
For controlling the zoom Hall element of long short focus position, the Hall element is mounted on body tube by zoom Hall element seat
On, the zoom motor, zoom potentiometer pass through zoom motor frame and are mounted on body tube, the motor shaft of the zoom motor
On the zoom motor gear closed with cam meshing is installed, be equipped on the axis of the zoom potentiometer and zoom cam meshing close
Zoom potentiometer gear.
5. big target surface long-focus transmission-type high definition zoom lens according to claim 4, it is characterised in that: the Light-modulating mirror
Group is sheathed on the peripheral side of iris D and rear fixed group E, including light bar seat, rear group lens barrel, N piece pressing ring, PQ spacer ring, QR every
Circle, rear group pressing ring and electronic dimming mechanism；Fourth gluing glued by biconcave lens E-1 and plano-convex lens E-2 contiguity
Group is installed in light bar seat and is compressed by N piece pressing ring, and the 5th of the negative crescent moon lens E-3 and biconvex lens E-4 contiguity gluing the
Gluing unit, biconcave lens E-5, biconvex lens E-6 are successively installed in rear group lens barrel, and are organized pressing ring after and fixed；The negative moon
It is separated between tooth lens E-3 and biconvex lens E-4 contiguity glued the 5th gluing unit and biconcave lens E-5 with PQ spacer ring, it is described
It is separated between biconcave lens E-5 and biconvex lens E-6 with QR spacer ring；The electronic dimming mechanism includes light bar motor, light bar electricity
Position device, light bar adjust ring, light bar rotating ring, light bar piece and the light bar Hall element for controlling light bar openings of sizes position, institute
It states light bar Hall element to be mounted on light bar seat by light bar Hall element seat, the light bar motor, light bar potentiometer pass through light
Column motor rack is mounted on light bar seat；It is fixed with head on the light bar rotating ring and adjusts the light that ring inboard groove matches with light bar
Nail is dialled on column, and the light bar rotating ring is pressed in light bar seat by light bar rotating ring pressing ring, and the light bar rotating ring drives the rotation of light bar piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710686907.1A CN107329243B (en) | 2017-08-11 | 2017-08-11 | A kind of big target surface long-focus transmission-type high definition zoom lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710686907.1A CN107329243B (en) | 2017-08-11 | 2017-08-11 | A kind of big target surface long-focus transmission-type high definition zoom lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107329243A CN107329243A (en) | 2017-11-07 |
| CN107329243B true CN107329243B (en) | 2019-11-19 |
Family
ID=60225833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710686907.1A Active CN107329243B (en) | 2017-08-11 | 2017-08-11 | A kind of big target surface long-focus transmission-type high definition zoom lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107329243B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283651B (en) * | 2018-12-12 | 2021-12-14 | 广东奥普特科技股份有限公司 | Small-size high-resolution machine vision lens structure |
| CN114594644B (en) * | 2022-03-29 | 2024-02-09 | 山东中科智造医疗器械科技有限公司 | Electric adjusting device for focal length and aperture of lens |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101276044A (en) * | 2007-03-26 | 2008-10-01 | 富士能株式会社 | Zoom lens and image pickup apparatus |
| CN105005137A (en) * | 2015-08-05 | 2015-10-28 | 福建福光股份有限公司 | High-resolution large-field-of-view continuous zoom pick-up lens and control method thereof |
| CN206002762U (en) * | 2016-08-26 | 2017-03-08 | 福建福光股份有限公司 | Continuous vari-focus telephotography camera lens |
-
2017
- 2017-08-11 CN CN201710686907.1A patent/CN107329243B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101276044A (en) * | 2007-03-26 | 2008-10-01 | 富士能株式会社 | Zoom lens and image pickup apparatus |
| CN105005137A (en) * | 2015-08-05 | 2015-10-28 | 福建福光股份有限公司 | High-resolution large-field-of-view continuous zoom pick-up lens and control method thereof |
| CN206002762U (en) * | 2016-08-26 | 2017-03-08 | 福建福光股份有限公司 | Continuous vari-focus telephotography camera lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107329243A (en) | 2017-11-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107193117B (en) | Compact high-resolution zoom lens | |
| CN106125274B (en) | The big target surface high definition zoom lens of wide spectrum with overlength focal length | |
| CN102809805B (en) | Miniaturized airborne zoom lens with large zooming ratio | |
| CN107238916B (en) | High-definition continuous zoom lens with large zoom ratio and long focal length | |
| CN107272173B (en) | Strong Penetrating Fog high definition zooming camera lens with the continuous output function of visual field | |
| CN106094182B (en) | The strong Penetrating Fog high definition zooming camera lens of folded form | |
| CN109696740B (en) | Large-target-surface high-definition zoom-shooting integrated lens and working method thereof | |
| CN107329243B (en) | A kind of big target surface long-focus transmission-type high definition zoom lens | |
| CN108873278A (en) | High definition continuous magnification lens and its focus adjustment method with active temperature focusing function | |
| CN105807411B (en) | Compact penetrating fog high definition television zoom lens | |
| CN104977694A (en) | Visible light imaging and laser ranging optical axis-sharing lens and imaging ranging method thereof | |
| CN103424852B (en) | High-magnification and high-definition electric camera lens with magnification varying and zooming functions | |
| CN107589535B (en) | The low big multiplying power long-focus high definition zoom lens of distortion | |
| CN203455539U (en) | High-magnification and high-definition electric camera lens with magnification varying and zooming functions | |
| CN106597649B (en) | The strong Penetrating Fog telephotography zoom lens of high-resolution | |
| CN202119967U (en) | High-resolution lens for automatic detecting device | |
| CN202794684U (en) | Miniature large-zoom-ratio airborne zoom lens | |
| CN208921959U (en) | High definition Penetrating Fog broadband visible light camera lens | |
| CN204832645U (en) | Visible light formation of image and laser rangefinder common optical axis camera lens | |
| CN106990513B (en) | Electric focusing type uncooled infrared telephoto lens and working method thereof | |
| CN202093230U (en) | High-power 5-mega-pixel camera lens | |
| CN102902045B (en) | Pick-up lens for high-resolution single group movement industry | |
| CN204903850U (en) | Continuous varifocal camera lens in big visual field of high resolution | |
| CN106483644B (en) | 38 times of super large zoom ratio Size Zoom TV camera lens | |
| CN106501923B (en) | High resolution industrial pick-up lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |