CN115598808B - Long-focus zoom lens with power-driven cover opening mechanism and imaging method thereof - Google Patents
Long-focus zoom lens with power-driven cover opening mechanism and imaging method thereof Download PDFInfo
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- CN115598808B CN115598808B CN202210459649.4A CN202210459649A CN115598808B CN 115598808 B CN115598808 B CN 115598808B CN 202210459649 A CN202210459649 A CN 202210459649A CN 115598808 B CN115598808 B CN 115598808B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 47
- 238000003384 imaging method Methods 0.000 title claims abstract description 13
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 23
- 230000003287 optical effect Effects 0.000 claims abstract description 7
- 125000005647 linker group Chemical group 0.000 claims description 47
- 239000000853 adhesive Substances 0.000 claims description 15
- 230000001070 adhesive effect Effects 0.000 claims description 15
- 230000007704 transition Effects 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 6
- 230000007123 defense Effects 0.000 abstract description 3
- 125000006850 spacer group Chemical group 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000004075 alteration Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- G02B15/144—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 having four groups only
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Abstract
The invention relates to a long-focus zoom lens with a cover opening mechanism, wherein an optical system of the lens comprises a front fixed lens group, a zoom lens group, a compensation lens group and a rear fixed lens group which are sequentially arranged from left to right along the incidence direction of light rays; the front fixed lens group comprises a positive lens A1, a first gluing group and a positive lens A4 which are sequentially arranged from left to right; the zoom lens group comprises a negative lens B1, a second gluing group and a negative lens B4 which are sequentially arranged from left to right; the compensating lens group comprises a positive lens C1, a third gluing group and a positive lens C4 which are sequentially arranged from left to right; the rear fixed lens group comprises a fourth gluing group, a fifth gluing group and a sixth gluing group. The invention realizes the maximum focal length of 1000mm, can search and track targets such as long distance, ultra-long distance and high-speed movement, and can be applied to the demand scenes such as remote sensing, early warning, reconnaissance, sight, imaging guidance, and the like; meanwhile, an electric cover opening mechanism is arranged, so that the lens can be applied to field operation platforms such as forests, frontier defense, ships and the like.
Description
Technical Field
The invention relates to a long-focus zoom lens with a cover opening mechanism and an imaging method thereof.
Background
In the visible light imaging system, the optical system with the continuous zooming function or the multi-view switching function has greater advantages in practical application scenes such as remote sensing, early warning, reconnaissance and sighting, imaging guidance and the like compared with the traditional monoscopic optical system. The target in a large space range can be searched in a large view field, and the searched target can be detected, identified, tracked and aimed in a small view field.
Disclosure of Invention
The invention improves the problems, namely the technical problem to be solved by the invention is to provide the long-focus zoom lens with the cover opening mechanism and the imaging method thereof, which realize the maximum focal length of 1000mm, can search and track targets such as long distance, ultra-long distance and high-speed movement, and can be applied to the demand scenes such as remote sensing, early warning, reconnaissance, observation, imaging guidance and the like; meanwhile, an electric cover opening mechanism is arranged, so that the lens can be applied to field operation platforms such as forests, frontier defense, ships and the like.
The invention is formed by this, it includes a kind of long focus zoom lens with cover-opening mechanism, including the lens, the optical system of the lens includes front fixed lens group, zoom lens group, compensating lens group and back fixed lens group that set up sequentially from left to right along the incident direction of light; the front fixed lens group comprises a positive lens A1, a negative lens A2, a first gluing group closely connected with the positive lens A3 and a positive lens A4 which are sequentially arranged from left to right; the zoom lens group comprises a negative lens B1, a second gluing group, a negative lens B4, wherein the negative lens B1, the negative lens B2 and the positive lens B3 are closely connected in sequence from left to right; the compensating lens group comprises a positive lens C1, a third gluing group, a positive lens C4, wherein the positive lens C1, the negative lens C2 and the positive lens C3 are closely connected in sequence from left to right; the rear fixed lens group comprises a negative lens D1, a positive lens D2, a fourth bonding group formed by closely connecting a positive lens D3 and a negative lens D4, a fifth bonding group formed by closely connecting a positive lens D5 and a negative lens D6, and a sixth bonding group formed by closely connecting a positive lens D7 and a negative lens D8.
Further, the air interval between the front fixed lens group and the variable-magnification lens group is 8.1mm-119.9mm, the air interval between the variable-magnification lens group and the compensation lens group is 205.0mm-3.8mm, and the air interval between the compensation lens group and the rear fixed lens group is 11.0mm-100.5mm; the air interval between the positive lens A1 and the first bonding group is 2.0mm, and the air interval between the first bonding group and the positive lens A4 is 30.0mm; the air interval between the negative lens B1 and the second bonding group is 6.7mm, and the air interval between the second bonding group and the negative lens B4 is 2.5mm; the air interval between the positive lens C1 and the third bonding group is 13.5mm, and the air interval between the third bonding group and the positive lens C4 is 0.2mm; the air interval between the negative lens D1 and the positive lens D2 is 0.2mm, the air interval between the positive lens D2 and the fourth adhesive group is 64.4mm, the air interval between the fourth adhesive group and the fifth adhesive group is 3.1mm, and the air interval between the fifth adhesive group and the sixth adhesive group is 31.5mm.
Further, the camera lens still includes lens housing, high definition CMOS camera, the electronic mechanism of uncapping, electronic zoom mechanism, electronic focusing mechanism, electronic dimming mechanism, the cross of setting on the lens housing, be equipped with front barrel, main lens cone and diaphragm seat in proper order from left to right in the lens housing, the inside front group lens seat that is equipped with of front barrel, be equipped with zoom balladeur train and compensation balladeur train in the main lens cone, be equipped with zoom lens seat, compensation lens seat on zoom balladeur train and the compensation slip respectively, be equipped with back group lens seat in the diaphragm seat, preceding fixed mirror group, zoom lens group, compensation lens group and back fixed mirror group are installed respectively on zoom lens seat, compensation lens seat and back group lens seat, lens housing and cross fixed connection, the high definition CMOS camera is fixed on the cross.
Further, the electric cover opening mechanism comprises a cover opening base and a first motor frame positioned on the cover opening base, a first motor is arranged on the first motor frame, a first motor gear is arranged at the output end of the first motor, a worm and a worm wheel shaft are arranged in the cover opening base, a worm wheel meshed with the worm is arranged on the worm wheel shaft, the worm and the worm wheel shaft are respectively connected with the cover opening base through bearings, a worm gear meshed with the first motor gear is arranged at the end part of the worm, a lens cover is arranged in front of the front lens barrel, and the lens cover is connected with the worm wheel shaft through a connecting rod; the cover opening base is also internally provided with a first micro switch.
Further, the electric zooming mechanism comprises a second micro switch, a second motor frame arranged above the main lens barrel and a second motor arranged on the second motor frame, a second motor gear is arranged at the output end of the second motor, a cam meshed with the second motor gear is arranged outside the main lens barrel, a cam groove is formed in the cam, a cam guide pin is arranged in the cam groove, and the cam guide pin at the corresponding position is respectively connected with the zoom sliding frame and the compensation sliding frame.
Further, the electric focusing mechanism comprises a third micro switch, a focusing ring arranged outside the front lens barrel and a third motor frame arranged on the focusing ring, a third motor is arranged on the third motor frame, a third motor gear is arranged on an output shaft of the third motor, a tooth part meshed with the third motor gear is arranged on the focusing ring, a focusing groove is formed in the focusing ring, focusing guide nails are arranged in the focusing groove, and the adjusting guide nails are connected with the front lens group.
Further, the electric dimming mechanism comprises a fourth micro switch, a transition wheel and a diaphragm adjusting ring arranged outside the diaphragm seat, the diaphragm adjusting ring is locked on the diaphragm seat by a pressing ring, a fourth motor frame is arranged on the diaphragm seat, a fourth motor is mounted on the fourth motor frame, a fourth motor gear matched with the transition wheel is arranged on an output shaft of the fourth motor, the transition wheel is meshed with the diaphragm adjusting ring, a diaphragm moving ring is arranged inside the diaphragm seat, a diaphragm sheet is mounted in the diaphragm moving ring, and a diaphragm shifting pin connected with the diaphragm moving ring is mounted in the diaphragm adjusting ring.
Further, in the imaging method of the tele zoom lens with the electric cover opening mechanism, light rays sequentially pass through the positive lens A1, the first bonding group, the positive lens A4, the negative lens B1, the second bonding group, the negative lens B4, the positive lens C1, the third bonding group, the positive lens C4, the negative lens D1, the positive lens D2, the fourth bonding group, the fifth bonding group and the sixth bonding group from left to right and then are imaged.
Compared with the prior art, the invention has the following beneficial effects: the device realizes the maximum focal length of 1000mm, can search and track targets such as long distance, ultra-long distance and high-speed movement, and can be applied to the demand scenes such as remote sensing, early warning, reconnaissance, sight, imaging guidance and the like; meanwhile, an electric cover opening mechanism is arranged, so that the lens can be applied to field operation platforms such as forests, frontier defense, ships and the like.
Drawings
FIG. 1 is a diagram of an optical system according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the whole machine of an embodiment of the invention;
FIG. 3 is a short focal MTF diagram of an embodiment of the present invention;
FIG. 4 is a graph of the tele MTF of an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a lens barrel according to an embodiment of the present invention;
FIG. 6 is a diagram of an electric door opening mechanism according to an embodiment of the present invention;
FIG. 7 is a diagram illustrating a second embodiment of an electric door opening mechanism;
FIG. 8 is a diagram of an electronic zoom mechanism according to an embodiment of the present invention;
FIG. 9 is a diagram of an electric focusing mechanism according to an embodiment of the present invention;
FIG. 10 is a diagram of an electric dimming mechanism according to an embodiment of the present invention.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
Example 1: referring to fig. 1 to 10, in this embodiment, a zoom lens with a cover opening mechanism is provided, which includes a lens, and an optical system of the lens includes a front fixed lens group a, a zoom lens group B, a compensation lens group C and a rear fixed lens group D sequentially arranged from left to right along a light incident direction; the front fixed lens group comprises a positive lens A1, a negative lens A2, a first gluing group closely connected with the positive lens A3 and a positive lens A4 which are sequentially arranged from left to right; the zoom lens group comprises a negative lens B1, a second gluing group, a negative lens B4, wherein the negative lens B1, the negative lens B2 and the positive lens B3 are closely connected in sequence from left to right; the compensating lens group comprises a positive lens C1, a third gluing group, a positive lens C4, wherein the positive lens C1, the negative lens C2 and the positive lens C3 are closely connected in sequence from left to right; the rear fixed lens group comprises a negative lens D1, a positive lens D2, a fourth bonding group formed by closely connecting a positive lens D3 and a negative lens D4, a fifth bonding group formed by closely connecting a positive lens D5 and a negative lens D6, and a sixth bonding group formed by closely connecting a positive lens D7 and a negative lens D8.
In the embodiment, the air interval between the front fixed lens group and the variable-magnification lens group is 8.1mm-119.9mm, the air interval between the variable-magnification lens group and the compensation lens group is 205.0mm-3.8mm, and the air interval between the compensation lens group and the rear fixed lens group is 11.0mm-100.5mm; the air interval between the positive lens A1 and the first bonding group is 2.0mm, and the air interval between the first bonding group and the positive lens A4 is 30.0mm; the air interval between the negative lens B1 and the second bonding group is 6.7mm, and the air interval between the second bonding group and the negative lens B4 is 2.5mm; the air interval between the positive lens C1 and the third bonding group is 13.5mm, and the air interval between the third bonding group and the positive lens C4 is 0.2mm; the air interval between the negative lens D1 and the positive lens D2 is 0.2mm, the air interval between the positive lens D2 and the fourth adhesive group is 64.4mm, the air interval between the fourth adhesive group and the fifth adhesive group is 3.1mm, and the air interval between the fifth adhesive group and the sixth adhesive group is 31.5mm.
The high-grade spherical aberration of the on-axis point and the off-axis point of the system is corrected by selecting glass with high refractive index as the material of the negative lens; by selecting low-dispersion glass as a positive lens material, chromatic aberration of the system is reduced, and resolution of the system is improved.
In this embodiment, at the time of imaging: the light rays sequentially pass through the positive lens A1, the first bonding group, the positive lens A4, the negative lens B1, the second bonding group, the negative lens B4, the positive lens C1, the third bonding group, the positive lens C4, the negative lens D1, the positive lens D2, the fourth bonding group, the fifth bonding group and the sixth bonding group from left to right, and then imaging is carried out.
In this embodiment, the lens parameters of the front fixed lens group, the variable magnification lens group, the compensation lens group and the rear fixed lens group are shown in table 1 below:
TABLE 1
Example 2: on the basis of embodiment 1, in this embodiment, the lens further includes a lens housing 1, a high-definition CMOS camera 2, an electric cover opening mechanism 3 provided on the lens housing, an electric zoom mechanism 4, an electric focusing mechanism 5, an electric dimming mechanism 6, and a four-way 7.
A first front group spacer ring 108 is arranged between the positive lens A1 and the first bonding group, a second front group spacer ring 109 is arranged between the first bonding group and the positive lens A4, and the front group spacer ring 110 is pressed in the front lens barrel.
The negative lens B1, the second gluing group and the negative lens B4 are assembled in the variable magnification lens base and are locked by the variable magnification pressing ring 111.
A first compensation spacer ring 112 is arranged between the positive lens C1 and the third gluing group, and a second compensation spacer ring 113 is arranged between the third gluing group and the positive lens C4; the compensation lens group C is locked on the compensation lens seat by adopting a compensation pressing ring 114.
A first rear group spacer ring 115 is arranged between the negative lens D1 and the positive lens D2, a second rear group spacer ring 116 is arranged between the positive lens D2 and the fourth gluing group, a third rear group spacer ring 117 is arranged between the fourth gluing group and the fifth gluing group, a fourth rear group spacer ring 118 is arranged between the fifth gluing group and the sixth gluing group, and the rear fixed lens group is locked by adopting a rear group pressing ring 119.
Front lens cone 101, main lens cone 102 and diaphragm seat 103 are arranged in the lens housing in sequence from left to right, front group lens seat 104 is arranged in the front lens cone, zoom carriage and compensation carriage are arranged in the main lens cone, zoom carriage and compensation carriage are respectively provided with zoom lens seat 105 and compensation lens seat 106 on the slide, rear group lens seat 107 is arranged in the diaphragm seat, front fixed lens group, zoom lens group, compensation lens group and rear fixed lens group are respectively arranged on the zoom lens seat, the compensation lens seat and the rear group lens seat, the lens housing is fixedly connected with a four-way joint, and the high-definition CMOS camera is fixed on the four-way joint.
The front lens barrel is rigidly connected with the main lens barrel through 8M 4 socket head cap screws, and the main lens barrel is rigidly connected with the diaphragm seat through 6M 4 socket head cap screws.
In this embodiment, the above-mentioned electric cover opening mechanism 3 includes a cover opening base 301 and a first motor frame 302 located on the cover opening base, a first motor 303 is installed on the first motor frame, a first motor gear 304 is disposed at an output end of the first motor, a worm 305 and a worm wheel shaft 306 are disposed in the cover opening base, a worm wheel 307 engaged with the worm is disposed on the worm wheel shaft, the worm and the worm wheel shaft are respectively connected with the cover opening base through bearings, a worm gear 308 engaged with the first motor gear is disposed at an end of the worm, a mirror cover 309 is disposed in front of the front lens barrel, and the mirror cover is connected with the worm wheel shaft through a connecting rod 310; the cover opening base is also provided with a first micro switch 311.
The connecting rod is fixed at two ends of the worm wheel shaft through 2M 3 socket head cap screws, the connecting rod is rigidly connected with the lens cover through 4M 4 socket head cap screws, and the cover opening base is fixed on the lens shell through 6M 4 socket head cap screws.
In this embodiment, the electric zoom mechanism 4 includes a second micro switch, a second motor frame 401 disposed above the main lens barrel, and a second motor 402 mounted on the second motor frame, the output end of the second motor is provided with a second motor gear 403, the outside of the main lens barrel is provided with a cam 404 engaged with the second motor gear, the cam is provided with a cam groove 405, a cam guide pin 406 is disposed in the cam groove, and the cam guide pins at corresponding positions are respectively connected with a zoom carriage 407 and a compensation carriage 408.
In this embodiment, the electric focusing mechanism 5 includes a third micro switch, a focusing ring 501 disposed outside the front lens barrel, and a third motor frame 502 disposed on the focusing ring, a third motor 503 is mounted on the third motor frame, a third motor gear 504 is disposed on an output shaft of the third motor, a tooth portion for meshing with the third motor gear is disposed on the focusing ring, a focusing groove 505 is disposed on the focusing ring, a focusing guide pin 506 is disposed in the focusing groove, and the adjusting guide pin is connected with the front lens seat.
Example 3: on the basis of embodiment 2, in this embodiment, the electric dimming mechanism 6 includes a fourth micro switch, a transition wheel, and a diaphragm adjusting ring 601 disposed outside the diaphragm seat, the diaphragm adjusting ring is locked on the diaphragm seat by a pressing ring 602, a fourth motor frame 603 is disposed on the diaphragm seat, a fourth motor 604 is mounted on the fourth motor frame, a fourth motor gear 605 matched with the transition wheel is disposed on an output shaft of the fourth motor, the transition wheel is meshed with a tooth portion of the diaphragm adjusting ring, a diaphragm moving ring 606 is disposed inside the diaphragm seat, a diaphragm sheet 607 is mounted in the diaphragm moving ring, and a diaphragm driving pin 608 connected with the diaphragm moving ring is mounted in the diaphragm adjusting ring; the diaphragm moving ring rotates to drive the diaphragm adjusting ring to rotate, and when the diaphragm adjusting ring rotates to the limit positions at the two ends, the fourth micro switch is used for limiting.
Any of the above-described embodiments of the present invention disclosed herein, unless otherwise stated, if they disclose a numerical range, then the disclosed numerical range is the preferred numerical range, as will be appreciated by those of skill in the art: the preferred numerical ranges are merely those of the many possible numerical values where technical effects are more pronounced or representative. Since the numerical values are more and cannot be exhausted, only a part of the numerical values are disclosed to illustrate the technical scheme of the invention, and the numerical values listed above should not limit the protection scope of the invention.
Meanwhile, if the above invention discloses or relates to parts or structural members fixedly connected with each other, the fixed connection may be understood as follows unless otherwise stated: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).
If the terms "first," "second," etc. are used herein to define a part, those skilled in the art will recognize that: the use of "first" and "second" is used merely to facilitate distinguishing between components and not otherwise stated, and does not have a special meaning.
In addition, terms used in any of the above-described aspects of the present disclosure to express positional relationship or shape have meanings including a state or shape similar to, similar to or approaching thereto unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components, or can be manufactured by an integral forming process.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present invention and are not limiting; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (7)
1. The long-focus zoom lens with the power-driven cover opening mechanism is characterized by comprising a lens, wherein an optical system of the lens consists of a front fixed lens group, a zoom lens group, a compensation lens group and a rear fixed lens group which are sequentially arranged from left to right along the incidence direction of light rays; the front fixed lens group consists of a positive lens A1, a negative lens A2, a first gluing group closely connected with a positive lens A3 and a positive lens A4 which are sequentially arranged from left to right; the zoom lens group consists of a negative lens B1, a second gluing group, a negative lens B4, wherein the negative lens B1, the negative lens B2 and the positive lens B3 are closely connected in sequence from left to right; the compensating lens group consists of a positive lens C1, a negative lens C2 and a third gluing group closely connected with the positive lens C3, and a positive lens C4 which are sequentially arranged from left to right; the rear fixed lens group consists of a negative lens D1, a positive lens D2, a fourth bonding group in which a positive lens D3 is closely connected with a negative lens D4, a fifth bonding group in which a positive lens D5 is closely connected with a negative lens D6, and a sixth bonding group in which a positive lens D7 is closely connected with a negative lens D8;
The air interval between the front fixed lens group and the variable-magnification lens group is 8.1mm-119.9mm, the air interval between the variable-magnification lens group and the compensation lens group is 205.0mm-3.8mm, and the air interval between the compensation lens group and the rear fixed lens group is 11.0mm-100.5mm; the air interval between the positive lens A1 and the first bonding group is 2.0mm, and the air interval between the first bonding group and the positive lens A4 is 30.0mm; the air interval between the negative lens B1 and the second bonding group is 6.7mm, and the air interval between the second bonding group and the negative lens B4 is 2.5mm; the air interval between the positive lens C1 and the third bonding group is 13.5mm, and the air interval between the third bonding group and the positive lens C4 is 0.2mm; the air interval between the negative lens D1 and the positive lens D2 is 0.2mm, the air interval between the positive lens D2 and the fourth adhesive group is 64.4mm, the air interval between the fourth adhesive group and the fifth adhesive group is 3.1mm, and the air interval between the fifth adhesive group and the sixth adhesive group is 31.5mm.
2. The zoom lens with the power uncapping mechanism according to claim 1, wherein the lens further comprises a lens housing, a high-definition CMOS camera, an electric uncapping mechanism, an electric zooming mechanism, an electric focusing mechanism, an electric dimming mechanism and a four-way joint which are arranged on the lens housing, a front lens barrel, a main lens barrel and a diaphragm seat are sequentially arranged in the lens housing from left to right, a front group lens seat is arranged in the front lens barrel, a zoom sliding frame and a compensation sliding frame are arranged in the main lens barrel, a zoom lens seat and a compensation lens seat are respectively arranged on the zoom sliding frame and the compensation sliding frame, a rear group lens seat is arranged in the diaphragm seat, and a front fixed lens group, a zoom lens group, a compensation lens group and a rear fixed lens group are respectively arranged on the zoom lens seat, the compensation lens seat and the rear group lens seat, the lens housing is fixedly connected with the four-way joint, and the high-definition CMOS camera is fixedly arranged on the four-way joint.
3. The zoom lens with power uncapping mechanism according to claim 2, wherein the power uncapping mechanism comprises an uncapping base and a first motor frame positioned on the uncapping base, a first motor is installed on the first motor frame, a first motor gear is arranged at the output end of the first motor, a worm and a worm wheel shaft are arranged in the uncapping base, a worm wheel meshed with the worm is arranged on the worm wheel shaft, the worm and the worm wheel shaft are respectively connected with the uncapping base through bearings, a worm gear meshed with the first motor gear is arranged at the end part of the worm, a lens cover is arranged in front of the front lens barrel, and the lens cover is connected with the worm wheel shaft through a connecting rod; the cover opening base is also internally provided with a first micro switch.
4. The zoom lens with power cover opening mechanism according to claim 2, wherein the power zoom mechanism comprises a second micro switch, a second motor frame arranged above the main lens barrel and a second motor arranged on the second motor frame, a second motor gear is arranged at the output end of the second motor, a cam meshed with the second motor gear is arranged outside the main lens barrel, a cam groove is arranged on the cam, a cam guide pin is arranged in the cam groove, and the cam guide pin at the corresponding position is respectively connected with the zoom carriage and the compensation carriage.
5. The zoom lens with power cover opening mechanism according to claim 2, wherein the electric focusing mechanism comprises a third micro switch, a focusing ring arranged outside the front lens barrel and a third motor frame arranged on the focusing ring, a third motor is arranged on the third motor frame, a third motor gear is arranged on an output shaft of the third motor, a tooth part meshed with the third motor gear is arranged on the focusing ring, a focusing groove is arranged on the focusing ring, a focusing guide pin is arranged in the focusing groove, and the focusing guide pin is connected with the front lens group.
6. The zoom lens with the electric cover opening mechanism according to claim 2, wherein the electric dimming mechanism comprises a fourth micro switch, a transition wheel and a diaphragm adjusting ring arranged outside a diaphragm seat, the diaphragm adjusting ring is locked on the diaphragm seat by a pressing ring, a fourth motor frame is arranged on the diaphragm seat, a fourth motor gear matched with the transition wheel is arranged on an output shaft of the fourth motor frame, the transition wheel is meshed with the diaphragm adjusting ring, a diaphragm moving ring is arranged inside the diaphragm seat, a diaphragm sheet is arranged in the diaphragm moving ring, and a diaphragm toggle pin connected with the diaphragm moving ring is arranged in the diaphragm adjusting ring.
7. An imaging method of a zoom lens with a cover opening mechanism according to any one of claims 1 to 6, wherein light rays sequentially pass through a positive lens A1, a first bonding group, a positive lens A4, a negative lens B1, a second bonding group, a negative lens B4, a positive lens C1, a third bonding group, a positive lens C4, a negative lens D1, a positive lens D2, a fourth bonding group, a fifth bonding group and a sixth bonding group from left to right, and then are imaged.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210459649.4A CN115598808B (en) | 2022-04-28 | 2022-04-28 | Long-focus zoom lens with power-driven cover opening mechanism and imaging method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210459649.4A CN115598808B (en) | 2022-04-28 | 2022-04-28 | Long-focus zoom lens with power-driven cover opening mechanism and imaging method thereof |
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| Publication Number | Publication Date |
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| CN115598808A CN115598808A (en) | 2023-01-13 |
| CN115598808B true CN115598808B (en) | 2024-05-07 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044889A (en) * | 2015-08-06 | 2015-11-11 | 福建福光股份有限公司 | High resolution zoom lens having strong fog penetration function and control method |
| CN107656361A (en) * | 2017-10-26 | 2018-02-02 | 福建福光股份有限公司 | Minimize the airborne zoom lens of high-resolution |
| CN112394500A (en) * | 2020-12-01 | 2021-02-23 | 福建福光股份有限公司 | 8K ultra-clear zooming visible light television camera lens |
| JP2022011185A (en) * | 2020-06-29 | 2022-01-17 | 富士フイルム株式会社 | Zoom lens and image capturing device |
-
2022
- 2022-04-28 CN CN202210459649.4A patent/CN115598808B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044889A (en) * | 2015-08-06 | 2015-11-11 | 福建福光股份有限公司 | High resolution zoom lens having strong fog penetration function and control method |
| CN107656361A (en) * | 2017-10-26 | 2018-02-02 | 福建福光股份有限公司 | Minimize the airborne zoom lens of high-resolution |
| JP2022011185A (en) * | 2020-06-29 | 2022-01-17 | 富士フイルム株式会社 | Zoom lens and image capturing device |
| CN112394500A (en) * | 2020-12-01 | 2021-02-23 | 福建福光股份有限公司 | 8K ultra-clear zooming visible light television camera lens |
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| CN115598808A (en) | 2023-01-13 |
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