CN110119023A - 6000000 high-resolution zoom camera lenses - Google Patents

6000000 high-resolution zoom camera lenses Download PDF

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Publication number
CN110119023A
CN110119023A CN201910518973.7A CN201910518973A CN110119023A CN 110119023 A CN110119023 A CN 110119023A CN 201910518973 A CN201910518973 A CN 201910518973A CN 110119023 A CN110119023 A CN 110119023A
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CN
China
Prior art keywords
lens
fixed
zoom
compensation
microscope base
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.)
Pending
Application number
CN201910518973.7A
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Chinese (zh)
Inventor
张世忠
屈立辉
蒋日明
李伟强
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Fujian Forecam Optics Co Ltd
Original Assignee
Fujian Forecam Optics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by Fujian Forecam Optics Co Ltd filed Critical Fujian Forecam Optics Co Ltd
Priority to CN201910518973.7A priority Critical patent/CN110119023A/en
Publication of CN110119023A publication Critical patent/CN110119023A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B15/00Optical objectives with means for varying the magnification
    • G02B15/14Optical 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
    • G02B15/16Optical 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
    • G02B15/163Optical 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
    • G02B15/167Optical 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
    • G02B15/173Optical 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 +-+

Abstract

The present invention provides a kind of 6,000,000 high-resolution zoom camera lenses, the camera lens includes the optical system in lens housing and lens housing, the preceding fixed group A that focal power is positive is respectively set along light incident direction for the optical system, the zoom group B that focal power is negative, the fixed group C that focal power is positive, the compensation group D that focal power is positive, light bar is provided between zoom group B and rear fixed group C, it is moved by zoom group B and compensation group D along optical axis correspondence, realize the function of changing optical system focal length, the preceding fixed group A of present invention reasonable distribution in the optical texture of retrofocus type, zoom group B, fixed group C, with the focal power of compensation group D.In fixed group C, in the prototype of three-chip type Ke Ke type structure, second eyeglass is changed to double agglutination lens group, compensation group D, which is compensated, makes camera lens reach object lens of large relative aperture, the high power performance indicator shorter than, structure length.

Description

6000000 high-resolution zoom camera lenses
Technical field
The present invention relates to a kind of 6,000,000 high-resolution zoom camera lenses.
Background technique
As traffic network is increasingly intensive, traffic is increasingly busy, in order to safeguard traffic safety, prevent traffic jam, realization It is in perfect order under busy road conditions;To develop intelligent transportation system a high-resolution is provided day and night confocal camera lens has reality Meaning.Zoom lens major part structure now on the market is simple, performance indicator is low, can only be with 200- in the clarity of image The SD CCD or cmos camera of 3000000 pixels are adapted to, and shooting effect is general, and picture value less, can only adapt to monitoring field The needs of " seeing ".Such resolution ratio much can not meet the requirement of present high-definition camera.And in structure, current four groups The camera lens of member uses substantially to be driven between sliding matching structure realization group and group, but such structure is suitble to the change of two small-sized constituent elements Zoom lens are not suitable for four large-scale component zooming camera lenses, have been unable to satisfy a large amount of demand in market.
Summary of the invention
The present invention improves the above problem, i.e., the technical problem to be solved by the present invention is to it is existing now on the market Zoom lens major part structure is simple, performance indicator is low, can only be with the SD of ten thousand pixel of 200-300 in the clarity of image CCD or cmos camera adaptation, shooting effect is general, and picture value is little.
Specific embodiments of the present invention are: a kind of 6,000,000 high-resolution zoom camera lenses, the camera lens includes camera lens shell The preceding fixation that focal power is positive is respectively set along light incident direction for optical system in body and lens housing, the optical system The compensation group D that fixed group of a C, the focal power that A, the zoom group B that focal power is negative, focal power are positive are positive is organized, in zoom group B with after It is provided with light bar between fixed group C, is moved by zoom group B and compensation group D along optical axis correspondence, realizes change optical system The function of system focal length;
The preceding fixed group A successively includes: positive selenodont lens A-1 along light incident direction, positive selenodont lens A-2, bears The gluing unit of selenodont lens A-3 and biconvex lens A-4 contiguity.
The zoom group B successively includes: double concave type lens B-1, double concave type lens B-2 and biconvex along light incident direction The gluing unit of type lens B-3 contiguity.
The fixed group C successively includes: lenticular lens C-1, lenticular lens C-2 and the negative moon along light incident direction The gluing unit of tooth form lens C-3 contiguity, positive selenodont lens C-4.
The compensation group D successively includes: biconvex structure lens D-1, negative selenodont lens D-2 along light incident direction Gluing unit, negative selenodont lens D-4 with lenticular lens D-3 contiguity.
Further, the airspace between the preceding fixed group A and zoom group B is: 1.07mm~20.71mm;
Airspace between the zoom group B and fixed group C is: 3.37mm~23.02mm;
Airspace between the fixed group C and compensation group D is: 4.56mm~6.86mm;
Before described in fixed group A, the air gap of lens A-1 and lens A-2 are 0.1mm;Lens A-2 and double agglutination lens group A- 3, the gap of A-4 is 1.35mm;
In the zoom group B, the air gap of lens B-1 and double agglutination lens group B-2, B-3 is 2.01mm;
In the fixed group C, the air gap of lens C-1 and double agglutination lens group C-2, C-3 is 0.86mm;Double agglutination lens group The air gap of C-2, C-3 and lens C-4 are 0.1mm;
In the compensation group D, the air gap of lens D-1 and double agglutination lens group D-2, D-3 is 0.1mm;Lens D-4 and double glue The air gap for closing lens group D-2, D-3 is 1.18mm.
Further, the lens housing includes the body tube positioned at middle part, is fixedly connected on front side of body tube for solid The preceding group lens barrel of group A eyeglass is fixed before fixed, is fixedly connected on rear side of the body tube for fixed after fixed group C eyeglass Microscope base is organized, is fixed with the first guide rod in the body tube, is sliding combined in first guide rod positioned at preceding group lens barrel and solid afterwards Surely the zoom group microscope base between microscope base is organized, is further fixed on the second guide rod on rear side of fixed group microscope base after being located in the body tube, After described on rear side of fixed group microscope base also with position and the second guide rod sliding quota and compensation group microscope base, in the zoom group microscope base It is fixed with the eyeglass of zoom group B, compensation group D eyeglass is fixed in the compensation group microscope base.
Further, external screw thread is combined with front cam on the body tube, and the guide rod and body tube have preceding straight-line groove, Preceding guide pin is fixed on the zoom group microscope base, the preceding guide pin is through guide rod and the preceding straight-line groove of body tube, the lordosis Taking turns inner surface has helicla flute, and the leading end that nails on is located in the helicla flute of front cam, is made using the rotation of front cam leading Nail drives zoom group microscope base to move axially along body tube under the propulsion of the helicla flute of front cam.
Further, external on rear side of the body tube to be cased with body tube the cam after being threadedly engaged, described second leads Bar guide rod and body tube have rear straight-line groove, are fixed with rear guide pin on the compensation group microscope base, it is described after guide pin through guide rod and The rear straight-line groove of body tube, the rear cam inner surface have helicla flute, and the rear guide pin upper end is located at the spiral of rear cam In slot, rear guide pin is set to drive zoom group microscope base along body tube axis under the propulsion of the helicla flute of rear cam using the rotation of rear cam To movement.
Further, the transition sleeve being further fixed on outside the body tube rear side end outside compensation group microscope base, it is described Rear side end on the inside of transition sleeve has the limiting slot of limit compensation microscope base moving distance, and the transition sleeve rear side end is fixedly connected with Rear cover.
Further, the preceding group lens barrel, compensation group microscope base, rear fixed group microscope base are interior with for separating limit eyeglass Spacer ring.
Compared with prior art, the invention has the following advantages: the present invention closes in the optical texture of retrofocus type The focal power of reason fixed group A, zoom group B, fixed group C and compensation group D before being assigned with.In fixed group C, in three-chip type Ke Ke In the prototype of type structure, second eyeglass is changed to double agglutination lens group, compensation group D, which is compensated, makes camera lens reach big relative opening Diameter, the high power performance indicator shorter than, structure length.
By selection high refractive index, the optical material of low dispersion and by meticulous optimization design, make in such camera lens Heart visual field and peripheral field all have high-resolution, and by optical distortion control in minimum zone, so that camera system The distortion factor is small.
In optical design, aberrational correction and balance are carried out to the wide spectral range of visible light and near-infrared spectral line, make mirror Head has excellent image quality in wide spectral range, and it is confocal to realize wide spectrum.In Machine Design, by guide rod by zoom group B The stability in sliding process is improved with the compensation group D adjustment for carrying out long short focus focal length, then gathers clear imaging again, so that each The concentricity of constituent element is more ideal, and imaging is more stable, efficiently, meets market great demand of today.
Lens construction of the invention is compact, eurythmy, ensure that the stability and aesthetics of product.By stringent Control size between each cooperation require, it can be achieved that focusing and zoom it is accurate it is reliable, feel is good.
Detailed description of the invention
Fig. 1 is layout structure schematic diagram in camera lens of the present invention.
Fig. 2 is eyeglass layout structure schematic diagram of the present invention.
Fig. 3 is two lens housing diagrammatic cross-section of the embodiment of the present invention.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
As shown in Figures 1 to 3, a kind of 6,000,000 high-resolution zoom camera lenses, the camera lens includes lens housing and camera lens shell Preceding fixed the group A, focal power that focal power is positive are respectively set along light incident direction for intracorporal optical system, the optical system The compensation group D that a fixed group C that the zoom group B that is negative, focal power are positive, focal power are positive, zoom group B and rear fixed group C it Between be provided with light bar, moved along optical axis correspondence by zoom group B and compensation group D, realize and change optical system focal length Function;
The preceding fixed group A successively includes: positive selenodont lens A-1 along light incident direction, positive selenodont lens A-2, bears The gluing unit of selenodont lens A-3 and biconvex lens A-4 contiguity.
The zoom group B successively includes: double concave type lens B-1, double concave type lens B-2 and biconvex along light incident direction The gluing unit of type lens B-3 contiguity.
The fixed group C successively includes: lenticular lens C-1, lenticular lens C-2 and the negative moon along light incident direction The gluing unit of tooth form lens C-3 contiguity, positive selenodont lens C-4.
The compensation group D successively includes: lenticular lens D-1, negative selenodont lens D-2 along light incident direction and double The gluing unit of convex type lens D-3 contiguity, negative selenodont lens D-4.
Further, the airspace between the preceding fixed group A and zoom group B is: 1.07mm~20.71mm;
Airspace between the zoom group B and fixed group C is: 3.37mm~23.02mm;
Airspace between the fixed group C and compensation group D is: 4.56mm~6.86mm;
Before described in fixed group A, the air gap of lens A-1 and lens A-2 are 0.1mm;Lens A-2 and double agglutination lens group A- 3, the gap of A-4 is 1.35mm;
In the zoom group B, the air gap of lens B-1 and double agglutination lens group B-2, B-3 is 2.01mm;
In the fixed group C, the air gap of lens C-1 and double agglutination lens group C-2, C-3 is 0.86mm;Double agglutination lens group The air gap of C-2, C-3 and lens C-4 are 0.1mm;
In the compensation group D, the air gap of lens D-1 and double agglutination lens group D-2, D-3 is 0.1mm;Negative selenodont lens The air gap of D-4 and double agglutination lens group D-2, D-3 is 1.18mm.
Each lens parameters are as shown in the table in the present embodiment, in the present embodiment optical surface serial number S1, S2, S3 ... table Show from by light incident direction, by positive selenodont lens A-1 to the corresponding surface negative selenodont lens D-4, thickness indicates place light The thickness of corresponding lens, refractive index are the refractive index corresponding to affiliated lens where face, and cemented surface meter does a face.
The requirement of 1 eyeglass physical parameter of table
The technical indicator that the present invention reaches:
1. focal length: f '=12-50mm
2. relative aperture D/F=1/1.5
2 ω: 42 °~11 ° of field angle (effective imaging surface n ' >=φ 9mm)
3. applicable spectral region: 480nm~850nm
4. resolution ratio: being adapted to the high-definition camera of 6,000,000 pixels
5. total length of light path ∑ L≤84.5mm
Embodiment two: in the present embodiment, on the basis of example 1, the lens housing includes the body tube positioned at middle part 13, the preceding group lens barrel 1 for fixed group A eyeglass before fixed, the rear side of the body tube 13 are fixedly connected on front side of body tube 13 Be fixedly connected with for a group microscope base 32 fixed after fixed fixed group C eyeglass, be fixed in the body tube the first guide rod (12, 35) the zoom group microscope base, being sliding combined in first guide rod (12,35) between preceding group lens barrel and rear fixed group microscope base 11, zoom group microscope base 11 has the guide groove cooperated with the first guide rod (12,35), fixed group microscope base after being located in the body tube Rear side is further fixed on the second guide rod, also have on rear side of fixed group microscope base after described position and the second guide rod (17,34) sliding quota and Compensation group microscope base 30, the eyeglass of zoom group B is fixed in the zoom group microscope base, is fixed with benefit in the compensation group microscope base 30 Repay a group D eyeglass.
External screw thread is combined with front cam 14 on the body tube, and the guide rod and body tube have preceding straight-line groove, the change Preceding guide pin, preceding guide pin table in guide rod and the preceding straight-line groove of body tube, the front cam are fixed on group microscope base again Face has helicla flute, and the leading end that nails on is located in the helicla flute of front cam 14, and guide pin exists before being made using the rotation of front cam Zoom group microscope base is driven to move axially along body tube under the propulsion of the helicla flute of front cam.
It is external on rear side of the body tube to be cased with body tube cam 16 after being threadedly engaged, the second guide rod guide rod and Body tube has rear straight-line groove, is fixed with rear guide pin on the compensation group microscope base, it is described after guide pin through guide rod and body tube Rear straight-line groove, it is described after cam inner surface have helicla flute, it is described after guide pin upper end be located in the helicla flute of rear cam, utilize The rotation of cam makes rear guide pin that zoom group microscope base be driven to move axially under the propulsion of the helicla flute of rear cam along body tube afterwards.
It includes A-1 eyeglass 7, A-2 eyeglass 6, A-3 eyeglass 4, A-4 eyeglass 5 that preceding group lens barrel 1, which is placed with four three groups of formula eyeglasses: Spacer ring 3 is devised between A-2 eyeglass, two eyeglass of A-3 eyeglass, guarantees light passing and the airspace of eyeglass;In A-1 eyeglass, A-2 mirror Spacer ring 2 is devised between two eyeglass of piece, guarantees light passing and the airspace of eyeglass;Then A-1 eyeglass is suppressed by stamper After in place, A-1 eyeglass is fixed on preceding group lens barrel with machine is melted, guarantees the Assembly stability of whole group eyeglass.Preceding group lens barrel passes through Three uniformly distributed countersunk head nails are fixed on middle body tube 13, guarantee the concentricity of itself and entire optical path.
Zoom group microscope base 11 be equipped with B-1 eyeglass 8, B-2 eyeglass 9,10 three pieces eyeglass of B-3 eyeglass: B-1 eyeglass, B-2 eyeglass, B-3 eyeglass directly guarantees its airspace by lens contacts face, after then eyeglass B-1 is suppressed in place by stamper, Eyeglass B-1 is fixed on zoom seat with machine is melted, guarantees the Assembly stability of whole group eyeglass.Zoom seat group microscope base 11 passes through guide rod 12 and guide rod 35 cooperate, then be packed into guide pin in 30 side of zoom seat, using front cam 14 and the cooperation transmission of body tube 13, keep it full The function of sufficient zoom keeps image quality more preferable to guarantee the concentricity of entire optical path.
Fixed group microscope base 32 is equipped with four eyeglasses afterwards, C-1 eyeglass 25, C-2 eyeglass 26, C-3 eyeglass 29, C-4 eyeglass 27: sets Spacer ring 33 has been counted to guarantee C-1 eyeglass, the light passing of C-2 eyeglass and airspace;Spacer ring 31 is designed between C-3, C-4 eyeglass to protect Demonstrate,prove light passing and airspace;Then after being suppressed eyeglass C-4 in place by stamper, eyeglass C-4 is fixed on admittedly with machine is melted Reservation guarantees the Assembly stability of whole group eyeglass.
Compensation group microscope base 30 is equipped with D-1 eyeglass 24, D-2 eyeglass 22,21 4 D-3 eyeglass 23, D-4 eyeglass eyeglasses;In D-1 Spacer ring 28 is designed between eyeglass and D-2 eyeglass guarantees light passing and airspace;Then after lens set being entered in place, pass through stamper After D-1 eyeglass is suppressed in place, D-1 eyeglass is fixed on compensation seat with machine is melted, guarantees the Assembly stability of whole group eyeglass.It mends It repays group microscope base to be slidably matched (compensation group microscope base has the guide groove cooperated with the second guide rod) by guide rod 17 and guide rod 34, then is mending It repays 30 side of seat and is packed into guide pin, using body tube 13, the rear cooperation of cam 16 transmission makes it meet the function of focusing, to guarantee The concentricity of entire optical path, keeps image quality more preferable.
Fixed group lens barrel 1, zoom group microscope base 11, rear fixed group microscope base 32, compensation group microscope base before being devised in the present embodiment 30 fix the eyeglass of entire optical system.Since the resolution ratio of camera lens is higher, therefore it cooperates airspace, hole axle, each mirror The seat everyways such as flatness and concentricity are very sensitive, need to carry out strict control in mechanical dimension, what all and eyeglass directly cooperated The tolerance of mechanical parts internal diameter is all between 0-0.01mm, and the position degree with the hole location of guide rod cooperation is ± 0.005, pillar position degree It is also ± 0.005, to guarantee the precision of its cooperation.
The transition sleeve 19 being further fixed on outside the body tube rear side end outside compensation group microscope base, in the transition sleeve The rear side end of side has the limiting slot of limit compensation microscope base moving distance, and the transition sleeve rear side end is fixedly connected with rear cover 20, Outer sleeve 15 has also been cased with outside the front cam.
For manual zoom, the focusing for realizing camera lens, i.e., is moved by zoom group and focusing group in axial position to realize, moved Momentum is controlled by preceding group of limiting slot on body tube 13 and the limiting slot on transition piece 19.It designs preceding straight on body tube 13 Wire casing cooperates the helicla flute cooperation of front cam 14, guide pin will be driven along body tube by the helical groove structure of front cam 14 at this time 13 preceding straight-line groove is mobile, so that zoom group microscope base 11 be made to be moved to the purpose of zoom in the axial direction;In order to guarantee zoom seat Concentricity and inclined degree, design the mode that guide rod 12 and guide rod 35 are driven, make zoom seat in zoom adjustment process always Meet the high-precision requirement of concentricity 0.01 and flatness 0.01.Similarly design cam 16 after the rear straight trough on body tube 13 cooperates Helicla flute cooperation, guide pin will be driven to move along the rear straight-line groove of body tube 13 by the helical groove structure of rear cam 16 at this time It is dynamic, then assemble transition piece 19 and focusing ring 18.Focusing ring 18 and the fixation of rear cam 16 move focusing ring 18 at this time and make rear cam 16 helical groove structure drives guide pin to move along the straight-line groove of body tube, so that compensation group microscope base be made to be moved to tune in the axial direction Burnt purpose;In order to guarantee to compensate the concentricity and inclined degree of seat, the mode of guide rod 17 and guide rod 34 transmission of design makes to become Times seat meets the high-precision requirement of concentricity 0.01 and flatness 0.01 always in zoom adjustment process.It is passed by above-mentioned guide rod Dynamic structure cooperates assembly model, so that such camera lens, is further promoted in image quality, it is more steady on imaging efficiency It is fixed, it is easier to realize on imaging process, greatlys save manufacturer's production cost and improve production efficiency.
In the present embodiment, the method for mode of focusing and control is similar to existing focusing structure, and the present invention is matched using guide rod The mode of conjunction can be improved zoom group microscope base 11 and compensation group microscope base 30 in the precision of moving process.
Any technical solution disclosed in aforementioned present invention unless otherwise stated, if it discloses numberical range, Disclosed numberical range is preferred numberical range, and any it should be appreciated by those skilled in the art preferred numberical ranges The only obvious or representative numerical value of technical effect in many enforceable numerical value.It, can not since numerical value is more Exhaustion, so the present invention just discloses technical solution of the component values to illustrate the present invention, also, the above-mentioned numerical value enumerated is not The limitation to the invention protection scope should be constituted.
If the words such as " first ", " second " are used herein come if limiting components, those skilled in the art are answered This knows: the use of " first ", " second " is intended merely to facilitate in description and is distinguished components as not having Stated otherwise Outside, above-mentioned word has no special meaning.
Meanwhile if aforementioned present invention discloses or relates to the components or structural member of connection fastened to each other, except another There is statement outer, is fixedly connected it is to be understood that connection (such as using bolt or screw connection) can be removedly fixed, it can also To understand are as follows: non-removable to be fixedly connected with (such as riveting, welding), certainly, connection fastened to each other or integral type knot Structure (such as manufacturing using casting technique is integrally formed) is replaced (obviously can not be using except integrally formed technique).
In addition, for indicating the art of positional relationship or shape applied in any technical solution disclosed in aforementioned present invention Its meaning includes approximate with its, similar or close state or shape to language unless otherwise stated.
Either component provided by the invention by multiple individual component parts either assembled, or one The separate part that forming technology manufactures.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof;To the greatest extent The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced;Without departing from this hair The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.

Claims (7)

1. a kind of 6,000,000 high-resolution zoom camera lenses, which is characterized in that the camera lens includes in lens housing and lens housing Optical system, the preceding fixed group A that focal power is positive is respectively set along light incident direction for the optical system, focal power is negative Zoom group B, the compensation group D that is positive of the fixed group C that is positive of focal power, focal power, set between zoom group B and rear fixed group C It is equipped with light bar, is moved by zoom group B and compensation group D along optical axis correspondence, the function of changing optical system focal length is realized;
The preceding fixed group A successively includes: positive selenodont lens A-1 along light incident direction, positive selenodont lens A-2, bears The gluing unit of selenodont lens A-3 and biconvex lens A-4 contiguity;
The zoom group B successively includes: that double concave type lens B-1, double concave type lens B-2 and biconvex are saturating along light incident direction The gluing unit of mirror B-3 contiguity;
The fixed group C successively includes: lenticular lens C-1, lenticular lens C-2 and negative selenodont along light incident direction The gluing unit of lens C-3 contiguity, positive selenodont lens C-4;
The compensation group D successively includes: biconvex structure lens D-1, negative selenodont lens D-2 along light incident direction and double The gluing unit of convex type lens D-3 contiguity, negative selenodont lens D-4.
2. a kind of 6,000,000 high-resolution zoom camera lens according to claim 1, which is characterized in that fixed group A before described Airspace between zoom group B is: 1.07mm~20.71mm;
Airspace between the zoom group B and fixed group C is: 3.37mm~23.02mm;
Airspace between the fixed group C and compensation group D is: 4.56mm~6.86mm;
Before described in fixed group A, the air gap of lens A-1 and lens A-2 are 0.1mm;Lens A-2 and double agglutination lens group A- 3, the gap of A-4 is 1.35mm;
In the zoom group B, the air gap of lens B-1 and double agglutination lens group B-2, B-3 is 2.01mm;
In the fixed group C, the air gap of lens C-1 and double agglutination lens group C-2, C-3 is 0.86mm;Double agglutination lens group The air gap of C-2, C-3 and lens C-4 are 0.1mm;
In the compensation group D, the air gap of lens D-1 and double agglutination lens group D-2, D-3 is 0.1mm;Lens D-4 and double glue The air gap for closing lens group D-2, D-3 is 1.18mm.
3. a kind of 6,000,000 high-resolution zoom camera lens according to claim 1, which is characterized in that the lens housing packet The body tube positioned at middle part is included, the preceding group lens barrel for fixed preceding fixed group A eyeglass, the master are fixedly connected on front side of body tube It is fixedly connected on rear side of lens barrel for fixing group microscope base after fixed group C eyeglass, is fixed with first in the body tube and leads Bar, the zoom group microscope base being sliding combined in first guide rod between preceding group lens barrel and rear fixed group microscope base, the master The second guide rod is further fixed on after being located in lens barrel on rear side of fixed group microscope base, also there is on rear side of fixed group microscope base position and the after described Two guide rods slide the compensation group microscope base of quota sum, and the eyeglass of zoom group B, the compensation group mirror are fixed in the zoom group microscope base Compensation group D eyeglass is fixed in seat.
4. a kind of 6,000,000 high-resolution zoom camera lens according to claim 3, which is characterized in that outer on the body tube It is threadedly engaged front cam, the guide rod and body tube have preceding straight-line groove, be fixed with preceding guide pin, institute on the zoom group microscope base Guide pin is through guide rod and the preceding straight-line groove of body tube before stating, and the front cam inner surface has a helicla flute, described leading to nail on End is located in the helicla flute of front cam, and guide pin drives change under the propulsion of the helicla flute of front cam before being made using the rotation of front cam Group microscope base is moved axially along body tube again.
5. a kind of 6,000,000 high-resolution zoom camera lens according to claim 4, which is characterized in that on rear side of the body tube Outside is cased with body tube the cam after being threadedly engaged, and the second guide rod guide rod and body tube have rear straight-line groove, described Rear guide pin is fixed on compensation group microscope base, the rear guide pin is in guide rod and the rear straight-line groove of body tube, the rear cam Surface has helicla flute, and the rear guide pin upper end is located in the helicla flute of rear cam, so that rear guide pin is existed using the rotation of rear cam Zoom group microscope base is driven to move axially along body tube under the propulsion of the helicla flute of cam afterwards.
6. a kind of 6,000,000 high-resolution zoom camera lens according to claim 5, which is characterized in that on rear side of the body tube End outside is further fixed on the transition sleeve outside compensation group microscope base, and the rear side end on the inside of the transition sleeve has limit compensating glass The limiting slot of seat moving distance, the transition sleeve rear side end are fixedly connected with rear cover.
7. a kind of 6,000,000 high-resolution zoom camera lens according to claim 5, which is characterized in that the preceding group lens barrel, There is the spacer ring for separating limit eyeglass in compensation group microscope base, rear fixed group microscope base.
CN201910518973.7A 2019-06-16 2019-06-16 6000000 high-resolution zoom camera lenses Pending CN110119023A (en)

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Citations (17)

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