CN115598808A - Long-focus zoom lens with electric cover opening mechanism and imaging method thereof - Google Patents
Long-focus zoom lens with electric cover opening mechanism and imaging method thereof Download PDFInfo
- Publication number
- CN115598808A CN115598808A CN202210459649.4A CN202210459649A CN115598808A CN 115598808 A CN115598808 A CN 115598808A CN 202210459649 A CN202210459649 A CN 202210459649A CN 115598808 A CN115598808 A CN 115598808A
- Authority
- CN
- China
- Prior art keywords
- lens
- group
- electric
- zoom
- gluing
- 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
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 56
- 238000003384 imaging method Methods 0.000 title claims abstract description 14
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 66
- 230000003287 optical effect Effects 0.000 claims abstract description 7
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims 6
- 238000010586 diagram Methods 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 4
- 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
- 230000000007 visual effect 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
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- G02B15/144—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
Abstract
The invention relates to a telephoto zoom lens with an electric 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 a light incidence direction; the front fixed lens group comprises a positive lens A1, a first gluing group and a positive lens A4 which are arranged from left to right in sequence; the zoom lens group comprises a negative lens B1, a second cementing group and a negative lens B4 which are arranged from left to right in sequence; the compensating lens group comprises a positive lens C1, a third cementing group and a positive lens C4 which are arranged from left to right in sequence; 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 with long distance, ultra-long distance, high-speed motion and the like, and can be applied to the required scenes of remote sensing, early warning, reconnaissance, observation and aiming, 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, frontiers, ships and warships and the like.
Description
Technical Field
The invention relates to a long-focus zoom lens with an electric cover opening mechanism and an imaging method thereof.
Background
In a visible light imaging system, an optical system with a continuous zooming function or a multi-view switching function has greater advantages in practical application scenes such as remote sensing, early warning, reconnaissance, observation and aiming, imaging guidance and the like compared with a traditional single-view optical system. The target in a large space range can be searched in a large visual field, and the searched target can be detected, identified, tracked and aimed in a small visual field.
Disclosure of Invention
The invention improves the problems, namely the technical problem to be solved by the invention is to provide the telephoto zoom lens with the electric cover opening mechanism and the imaging method thereof, the maximum focal length is 1000mm, the telephoto zoom lens can search and track targets with long distance, super long distance, high speed motion and the like, and can be applied to the required scenes of 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, frontiers, ships and warships and the like.
The zoom lens comprises a telephoto zoom lens with an electric cover opening mechanism, and comprises a lens, 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 incident direction of light; the front fixed lens group comprises a positive lens A1, a first adhesive group formed by tightly connecting a negative lens A2 and a 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 adhesive group formed by closely connecting a negative lens B2 and a positive lens B3, and a negative lens B4 which are sequentially arranged from left to right; the compensating lens group comprises a positive lens C1, a third adhesive group formed by closely connecting a negative lens C2 and a positive lens C3, and a positive lens C4 which are sequentially arranged from left to right; the rear fixed lens group comprises a negative lens D1, a positive lens D2, a fourth gluing group formed by tightly connecting a positive lens D3 with a negative lens D4, a fifth gluing group formed by tightly connecting a positive lens D5 with a negative lens D6, and a sixth gluing group formed by tightly connecting a positive lens D7 with a negative lens D8.
Further, the air space between the front fixed lens group and the zoom lens group is 8.1mm-119.9mm, the air space between the zoom lens group and the compensation lens group is 205.0mm-3.8mm, and the air space between the compensation lens group and the rear fixed lens group is 11.0mm-100.5mm; the air space between the positive lens A1 and the first adhesive combination is 2.0mm, and the air space between the first adhesive combination and the positive lens A4 is 30.0mm; the air space between the negative lens B1 and the second gluing group is 6.7mm, and the air space between the second gluing group and the negative lens B4 is 2.5mm; the air space between the positive lens C1 and the third gluing group is 13.5mm, and the air space between the third gluing 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 gluing group is 64.4mm, the air interval between the fourth gluing group and the fifth gluing group is 3.1mm, and the air interval between the fifth gluing group and the sixth gluing group is 31.5mm.
Furthermore, the lens further comprises a lens shell, a high-definition CMOS camera, an electric cover opening mechanism, an electric zooming mechanism, an electric focusing mechanism, an electric dimming mechanism and a cross joint, wherein the electric cover opening mechanism, the electric zooming mechanism, the electric focusing mechanism, the electric dimming mechanism and the cross joint are arranged on the lens shell, a front lens cone, a main lens cone and a diaphragm seat are sequentially arranged in the lens shell from left to right, a front lens group lens seat is arranged in the front lens cone, a zoom carriage and a compensation carriage are arranged in the main lens cone, a zoom lens seat and a compensation lens seat are respectively arranged on the zoom carriage and the compensation slide, a rear lens group is arranged in the diaphragm seat, a front fixing lens group, a zoom lens group, a compensation lens group and a rear fixing lens group are respectively arranged on the zoom lens seat, the compensation lens seat and the rear lens group, the lens shell is fixedly connected with the cross joint, and the high-definition CMOS camera is fixed on the cross joint.
Further, the electric cover opening mechanism comprises a cover opening base and a first motor frame located on the cover opening base, a first motor is mounted on the first motor frame, a first motor gear is arranged at the output end of the first motor, a worm and a worm gear shaft are arranged in the cover opening base, a worm gear meshed with the worm is arranged on the worm gear shaft, the worm and the worm gear shaft are respectively connected with the cover opening base through a bearing, a worm gear meshed with the first motor gear is arranged at the end part of the worm, a mirror cover is arranged in front of the front lens cone, and the mirror cover is connected with the worm gear shaft through a connecting rod; a first microswitch is further arranged in the uncovering base.
Further, electronic zoom mechanism includes second micro-gap switch, sets up the second motor frame in the main lens cone top and installs the second motor on the second motor frame, second motor output is equipped with second motor gear, the main lens cone outside is equipped with the cam that is used for meshing with second motor gear, the cam groove has on the cam, and the nail is led to the cam that is equipped with in the cam groove, and the nail is led to the cam of relevant position is connected with zoom balladeur train, compensation balladeur train respectively.
Further, electronic focusing mechanism includes third micro-gap switch, sets up the focusing ring outside the lens cone in the front and sets up the third motor frame on the focusing ring, install the third motor on the third motor frame, third motor output shaft is equipped with third motor gear, be equipped with on the focusing ring and be used for the tooth portion with third motor gear engaged with, be equipped with the focusing groove on the focusing ring, the nail is led in the focusing inslot is equipped with the focusing, it is connected with the front group lens holder to adjust to lead the nail.
Further, electronic dimming mechanism includes fourth micro-gap switch, crosses the ferryboat, sets up the outside diaphragm adjustable ring at the diaphragm seat, and the diaphragm adjustable ring adopts clamping ring locking on the diaphragm seat, be equipped with the fourth motor frame on the diaphragm seat, install the fourth motor on the fourth motor frame, be equipped with on the fourth motor output shaft and cross ferryboat matched with fourth motor gear, cross the ferryboat and mesh mutually with the diaphragm adjustable ring, the inside diaphragm movable ring that is equipped with of diaphragm seat, the diaphragm is moved and is installed the diaphragm piece in the ring, and the diaphragm adjustable ring is intra-annular to be equipped with and moves the diaphragm that the ring is connected and dials the nail.
Further, the imaging method of the telephoto zoom lens with the electric cover opening mechanism comprises the step that light rays sequentially pass through the positive lens A1, the first gluing group, the positive lens A4, the negative lens B1, the second gluing group, the negative lens B4, the positive lens C1, the third gluing group, the positive lens C4, the negative lens D1, the positive lens D2, the fourth gluing group, the fifth gluing group and the sixth gluing group from left to right, and then imaging is carried out.
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 with long distance, ultra-long distance, high-speed motion and the like, and can be applied to the demand scenes of remote sensing, early warning, reconnaissance, observation and aiming, 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, frontiers, ships and warships 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 entire device according to an embodiment of the present invention;
FIG. 3 is a short focus MTF plot of an embodiment of the present invention;
FIG. 4 is a tele MTF plot according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a lens according to an embodiment of the present invention;
fig. 6 is a first diagram of a motor-driven lid opening mechanism according to an embodiment of the present invention;
FIG. 7 is a second diagram of a power-operated lid opening mechanism according to an embodiment of the present invention;
FIG. 8 is a diagram of an electric zoom mechanism according to an embodiment of the present invention;
FIG. 9 is a diagram of an electric focus adjustment 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 present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1: referring to fig. 1 to 10, in the present embodiment, a telephoto zoom lens with an electric 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, which are sequentially arranged from left to right along a light incidence direction; the front fixed lens group comprises a positive lens A1, a first adhesive group formed by tightly connecting a negative lens A2 and a 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 adhesive group formed by closely connecting a negative lens B2 and a positive lens B3, and a negative lens B4 which are arranged in sequence from left to right; the compensating lens group comprises a positive lens C1, a third adhesive group formed by closely connecting a negative lens C2 and a positive lens C3, and a positive lens C4 which are sequentially arranged from left to right; the rear fixed lens group comprises a negative lens D1, a positive lens D2, a fourth gluing group formed by tightly connecting a positive lens D3 and a negative lens D4, a fifth gluing group formed by tightly connecting a positive lens D5 and a negative lens D6, and a sixth gluing group formed by tightly connecting a positive lens D7 and a negative lens D8.
In this embodiment, the air space between the front fixed lens group and the zoom lens group is 8.1mm to 119.9mm, the air space between the zoom lens group and the compensation lens group is 205.0mm to 3.8mm, and the air space between the compensation lens group and the rear fixed lens group is 11.0mm to 100.5mm; the air space between the positive lens A1 and the first gluing group is 2.0mm, and the air space between the first gluing group and the positive lens A4 is 30.0mm; the air space between the negative lens B1 and the second gluing group is 6.7mm, and the air space between the second gluing group and the negative lens B4 is 2.5mm; the air space between the positive lens C1 and the third gluing group is 13.5mm, and the air space between the third gluing 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 gluing group is 64.4mm, the air interval between the fourth gluing group and the fifth gluing group is 3.1mm, and the air interval between the fifth gluing group and the sixth gluing 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 the glass with high refractive index as the material of the negative lens; by selecting the low-dispersion glass as the positive lens material, the chromatic aberration of the system is reduced, and the resolution of the system is improved.
In the present embodiment, at the time of imaging: the light rays sequentially pass through the positive lens A1, the first gluing group, the positive lens A4, the negative lens B1, the second gluing group, the negative lens B4, the positive lens C1, the third gluing group, the positive lens C4, the negative lens D1, the positive lens D2, the fourth gluing group, the fifth gluing group and the sixth gluing group from left to right to form an image.
In this embodiment, the lens parameters of the front fixed lens group, the zoom lens group, the compensation lens group and the rear fixed lens group are as 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, an electric zoom mechanism 4, an electric focus adjustment mechanism 5, an electric dimming mechanism 6, and a cross 7, which are disposed on the lens housing.
A first front group space ring 108 is arranged between the positive lens A1 and the first gluing group, a second front group space ring 109 is arranged between the first gluing group and the positive lens A4, and a front group pressing ring 110 is adopted to be pressed in the front lens cone.
The zoom lens base is provided with a negative lens B1, a second gluing group and a negative lens B4 and locked by a zoom pressure ring 111.
A first compensation space ring 112 is arranged between the positive lens C1 and the third gluing group, and a second compensation space ring 113 is arranged between the third gluing group and the positive lens C4; the compensating lens group C is locked on the compensating lens base by a compensating 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 fixing lens group is locked by a rear group pressing ring 119.
The zoom lens comprises a lens shell and is characterized in that a front lens barrel 101, a main lens barrel 102 and a diaphragm seat 103 are sequentially arranged in the lens shell from left to right, a front lens group base 104 is arranged inside the front lens barrel, a zoom sliding frame and a compensation sliding frame are arranged in the main lens barrel, a zoom lens base 105 and a compensation lens base 106 are respectively arranged on the zoom sliding frame and the compensation sliding frame, a rear lens group base 107 is arranged in the diaphragm seat, a front fixing lens group, a zoom lens group, a compensation lens group and a rear fixing lens group are respectively arranged on the zoom lens base, the compensation lens base and the rear lens group, the lens shell is fixedly connected with a cross joint, and a high-definition CMOS camera is fixed on the cross joint.
The front lens cone and the main lens cone are rigidly connected through 8M 4 socket head cap screws, and the main lens cone and the diaphragm seat are rigidly connected through 6M 4 socket head cap screws.
In this embodiment, the electric lid opening mechanism 3 includes a lid opening base 301 and a first motor frame 302 located on the lid opening base, the first motor frame is provided with a first motor 303, the output end of the first motor is provided with a first motor gear 304, the lid opening base is provided with a worm 305 and a worm gear shaft 306, the worm gear shaft is provided with a worm gear 307 engaged with the worm, the worm and the worm gear shaft are respectively connected with the lid opening base through a bearing, the end of the worm is provided with a worm gear 308 engaged with the first motor gear, a mirror cover 309 is arranged in front of the front lens barrel, and the mirror cover is connected with the worm gear shaft through a connecting rod 310; a first microswitch 311 is also arranged in the cover opening base.
The connecting rods are fixed at two ends of the worm wheel shaft through 2M 3 socket head cap screws, the connecting rods are 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 microswitch, a second motor frame 401 disposed above the main barrel, and a second motor 402 mounted on the second motor frame, the second motor output end is provided with a second motor gear 403, the main barrel is externally provided with a cam 404 for engaging 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 the zoom carriage 407 and the 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, the third motor frame is provided with a third motor 503, a third motor gear 504 is disposed on an output shaft of the third motor, a tooth portion engaged 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 holder.
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, the diaphragm seat is provided with a fourth motor frame 603, the fourth motor frame is provided with a fourth motor 604, an output shaft of the fourth motor is provided with a fourth motor gear 605 matched with the transition wheel, the transition wheel is engaged with a tooth portion of the diaphragm adjusting ring, the diaphragm seat is internally provided with a diaphragm moving ring 606, a diaphragm sheet 607 is mounted in the diaphragm moving ring, and a diaphragm shifting nail 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 diaphragm adjusting ring is limited through a fourth micro switch.
Any embodiment disclosed herein above is meant to disclose, unless otherwise indicated, all numerical ranges disclosed as being preferred, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effects which can be achieved. Since the numerical values are too numerous to be exhaustive, some of the numerical values are disclosed in the present invention to illustrate the technical solutions of the present invention, and the above-mentioned numerical values should not be construed as limiting the scope of the present invention.
Meanwhile, if the invention as described above discloses or relates to parts or structural members fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding) can, of course, also be replaced by one-piece structures (e.g. manufactured in one piece using a casting process) (unless it is obvious that one-piece processes cannot be used).
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes 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 examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (8)
1. A telephoto zoom lens with an electric cover opening mechanism is characterized by comprising a lens, 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 a light incidence direction; the front fixed lens group comprises a positive lens A1, a first adhesive group formed by tightly connecting a negative lens A2 and a 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 adhesive group formed by closely connecting a negative lens B2 and a positive lens B3, and a negative lens B4 which are sequentially arranged from left to right; the compensating lens group comprises a positive lens C1, a third cementing group formed by tightly connecting a negative lens C2 and a positive lens C3, and a positive lens C4 which are arranged in sequence from left to right; the rear fixed lens group comprises a negative lens D1, a positive lens D2, a fourth gluing group formed by tightly connecting a positive lens D3 and a negative lens D4, a fifth gluing group formed by tightly connecting a positive lens D5 and a negative lens D6, and a sixth gluing group formed by tightly connecting a positive lens D7 and a negative lens D8.
2. The telephoto zoom lens with the electric cover opening mechanism according to claim 1, wherein the air space between the front fixed lens group and the zoom lens group is 8.1mm-119.9mm, the air space between the zoom lens group and the compensation lens group is 205.0mm-3.8mm, and the air space between the compensation lens group and the rear fixed lens group is 11.0mm-100.5mm; the air space between the positive lens A1 and the first gluing group is 2.0mm, and the air space between the first gluing group and the positive lens A4 is 30.0mm; the air space between the negative lens B1 and the second gluing group is 6.7mm, and the air space between the second gluing group and the negative lens B4 is 2.5mm; the air space between the positive lens C1 and the third gluing group is 13.5mm, and the air space between the third gluing 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 gluing group is 64.4mm, the air interval between the fourth gluing group and the fifth gluing group is 3.1mm, and the air interval between the fifth gluing group and the sixth gluing group is 31.5mm.
3. The telephoto zoom lens with the electric cover opening mechanism according to claim 1, wherein the lens further comprises a lens housing, a high-definition CMOS camera, an electric cover opening mechanism, an electric zoom mechanism, an electric focusing mechanism, an electric dimming mechanism, and a cross joint, the electric cover opening mechanism, the electric zoom mechanism, the electric focusing mechanism, the electric dimming mechanism, and the cross joint are disposed on the lens housing, a front lens barrel, a main lens barrel, and a diaphragm seat are sequentially disposed in the lens housing from left to right, a front lens group base is disposed inside the front lens barrel, a zoom carriage and a compensation carriage are disposed in the main lens barrel, the zoom carriage and the compensation carriage are respectively provided with a zoom lens base and a compensation lens base, a rear lens group base is disposed in the diaphragm seat, a front fixed lens group, a zoom carriage, a compensation lens group, and a rear fixed lens group are respectively mounted on the zoom lens base, the compensation lens base, and the cross joint are fixedly connected to the lens housing, and the high-definition CMOS camera is fixed to the cross joint.
4. The telephoto zoom lens with the electric cover opening mechanism according to claim 3, wherein the electric cover opening mechanism comprises an opening cover base and a first motor frame positioned on the opening cover base, a first motor is mounted 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 opening cover 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 opening cover base through a bearing, a worm gear meshed with the first motor gear is arranged at the end part of the worm, a mirror cover is arranged in front of the front lens barrel, and the mirror cover is connected with the worm wheel shaft through a connecting rod; a first microswitch is further arranged in the cover opening base.
5. The telephoto zoom lens with the electric cover opening mechanism according to claim 3, wherein the electric zoom mechanism comprises a second micro switch, a second motor frame arranged above the main lens barrel, and a second motor mounted on the second motor frame, a second motor gear is arranged at an output end of the second motor, a cam engaged 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.
6. The telephoto zoom lens with the electric cover opening mechanism according to claim 3, wherein the electric focusing mechanism comprises a third micro switch, a focusing ring disposed outside the front lens barrel, and a third motor frame disposed on the focusing ring, a third motor is mounted on the third motor frame, a third motor gear is disposed on an output shaft of the third motor, a tooth portion engaged with the third motor gear is disposed on the focusing ring, a focusing slot is disposed on the focusing ring, a focusing guide pin is disposed in the focusing slot, and the adjusting guide pin is connected with the front lens group holder.
7. The telephoto zoom lens with the electric cover opening mechanism according to claim 3, wherein 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, the diaphragm seat is provided with a fourth motor frame, the fourth motor frame is provided with a fourth motor, 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, the diaphragm seat is internally provided with a diaphragm moving ring, a diaphragm sheet is arranged in the diaphragm moving ring, and a diaphragm shifting nail connected with the diaphragm moving ring is arranged in the diaphragm adjusting ring.
8. An imaging method of a telephoto zoom lens with an electric cover opening mechanism according to any one of claims 1~7, wherein light rays sequentially pass through a positive lens A1, a first glue group, a positive lens A4, a negative lens B1, a second glue group, a negative lens B4, a positive lens C1, a third glue group, a positive lens C4, a negative lens D1, a positive lens D2, a fourth glue group, a fifth glue group and a sixth glue group from left to right to perform imaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210459649.4A CN115598808A (en) | 2022-04-28 | 2022-04-28 | Long-focus zoom lens with electric cover opening mechanism and imaging method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210459649.4A CN115598808A (en) | 2022-04-28 | 2022-04-28 | Long-focus zoom lens with electric cover opening mechanism and imaging method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115598808A true CN115598808A (en) | 2023-01-13 |
Family
ID=84842150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210459649.4A Pending CN115598808A (en) | 2022-04-28 | 2022-04-28 | Long-focus zoom lens with electric cover opening mechanism and imaging method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115598808A (en) |
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/CN115598808A/en active Pending
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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7050244B2 (en) | Zoom lens barrel | |
| CN213122420U (en) | Endoscope adaptive lens | |
| US4548481A (en) | Variable magnification observation optical device | |
| CN109696740A (en) | A kind of big target surface high definition zoom is taken the photograph according to integrated camera lens and its working method | |
| CN107193116B (en) | Big zoom ratio medium wave infrared continuous zoom lens | |
| CN108427186B (en) | Light continuous zooming uncooled thermal infrared imager | |
| CN213122422U (en) | Endoscope adaptive lens | |
| JPS5852201B2 (en) | variable magnification lens | |
| CN106990513B (en) | Electric focusing type uncooled infrared telephoto lens and working method thereof | |
| CN102902045B (en) | Pick-up lens for high-resolution single group movement industry | |
| CN106842485A (en) | The electronic whole group focusing type non-brake method camera lens of three-chip type far infrared | |
| CN115598808A (en) | Long-focus zoom lens with electric cover opening mechanism and imaging method thereof | |
| CN112394592B (en) | Three-group linkage shooting and lighting integrated optical structure | |
| CN110389431A (en) | A kind of object lens of large relative aperture 4K all-in-one machine Zoom optic lens | |
| CN108132527B (en) | Optical system with optimized low-light effect | |
| JP2006003589A (en) | Variable-focus lens | |
| CN201107455Y (en) | Zoom lens form 6.0mm to 60.0mm | |
| CN206848549U (en) | The electronic whole group focusing type non-brake method optical system of three-chip type far infrared and its lens construction | |
| US11774732B2 (en) | Continuous zoom afocal lens assembly | |
| CN202904108U (en) | High-resolution single-unit mobile industrial camera lens | |
| CN107765411B (en) | High-definition continuous zoom lens with large zoom ratio and strong fog penetration | |
| CN101930113B (en) | Mega pixel high-resolution zooming IR (Infrared) day and night dual-purpose camera lens | |
| CN110412753A (en) | LONG WAVE INFRARED large aperture zoom lens and its focus adjustment method | |
| CN217060595U (en) | Quick switching double-view-field high-definition large-target-surface lens | |
| CN104656227B (en) | High-resolution, low distortion day and night tight shot |
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 |