阅读说明：本技术 一种可调进光角度的超广角镜头及其调节方法 (Super-wide-angle lens capable of adjusting light entrance angle and adjusting method thereof ) 是由 张龙 聂新旺 邢广东 古文斌 于 2021-09-02 设计创作，主要内容包括：本发明公开了一种可调进光角度的超广角镜头及其调节方法,包括镜头主体,且镜头主体的左端螺纹连接有替换镜头,所述镜头主体外部的左侧滑动套设有遮光调节筒,所述镜头主体正面的左侧固定连接有贯穿遮光调节筒的精调组件,本发明涉及超广角镜头技术领域。该可调进光角度的超广角镜头及其调节方法,通过在镜头外部设置遮光调节筒,并可通过精调组件调节遮光调节筒的位置,进而来控制镜头进光角度范围,在拍摄时可针对性的对某个区域进行拍摄,满足更多的拍摄需求,同时物理调节拍摄区间的方式,大大方便了后期编辑的操作,且精调组件通过齿轮传动比可进行精密调节,调节更精确,并可进行自锁,避免回转影响效果,使用方便。(The invention discloses an ultra-wide-angle lens with an adjustable light inlet angle and an adjusting method thereof. This super wide-angle lens of adjustable light angle of advancing and regulation method thereof, adjust a section of thick bamboo through setting up the shading in the camera lens outside, and the position of a shading regulation section of thick bamboo is adjusted to accessible fine tuning subassembly, and then control the camera lens angle scope of advancing, can be pertinence shoot certain region when shooing, satisfy more shooting demands, interval mode is shot in the physics regulation simultaneously, the operation of later stage editor has been made things convenient for greatly, and the fine tuning subassembly can carry out the fine adjustment through gear drive ratio, it is more accurate to adjust, and can carry out the auto-lock, avoid gyration influence effect, high durability and convenient use.)

1. The utility model provides an ultra wide angle lens of adjustable light angle of advancing, includes camera lens main part (1), and the left end threaded connection of camera lens main part (1) has replacement camera lens (2), its characterized in that: a shading adjusting cylinder (3) is slidably sleeved on the left side of the outer part of the lens main body (1), a fine adjusting component (4) penetrating through the shading adjusting cylinder (3) is fixedly connected to the left side of the front surface of the lens main body (1), and a sliding groove (31) matched with the fine adjusting component (4) is formed in the surface of the shading adjusting cylinder (3);

the fine adjustment assembly (4) comprises a cylinder (41) fixedly connected to the surface of the lens body (1), a rotating shaft (42) is connected to the center of the front face of the cylinder (41) in a penetrating and rotating mode, the rotating shaft (42) is located at one end, outside the cylinder (41), of a rotating cap (43) fixedly connected to the end of the rotating shaft (42), the surface of one end, inside the cylinder (41), of the rotating shaft (42) is in a prism shape, a driving gear (44) is fixedly connected to the surface of the rotating shaft, the rear end of the rotating shaft (42) protrudes out of the driving gear (44), a prism hole (45) matched with the rear end of the rotating shaft (42) is formed in the center of the rear wall of the cylinder (41), three planetary gears (47) meshed with the driving gear (44) are rotatably connected to three sides of the inside of the cylinder (41) through a positioning shaft (46), and a gear ring (48) is connected to the outside of the three planetary gears (47) in a meshing and driving mode, the inner side and the outer side of the toothed ring (48) are both provided with convex teeth, the top of the cylinder (41) is provided with a notch (49) for the top of the toothed ring (48) to extend out, and the top of the inner surface of the sliding chute (31) is provided with a tooth groove (32) meshed with the top of the toothed ring (48).

2. An ultra-wide angle lens capable of adjusting the light angle according to claim 1, wherein: the cylinder (41) is made of iron, the surface of the cylinder is coated with anticorrosive paint, and the back of the rotary cap (43) is embedded in the outer side of the rotating shaft (42) and fixedly connected with a magnetic ring (410).

3. An ultra-wide angle lens capable of adjusting the light angle according to claim 1, wherein: one side of a shading regulation section of thick bamboo (3) internal surface is provided with scale bar (33), shading is adjusted a section of thick bamboo (3) internal surface and is all sprayed black extinction coating (34) except that scale bar (33).

4. An ultra-wide angle lens capable of adjusting the light angle according to claim 1, wherein: the left end of the shading adjusting cylinder (3) is connected with a dustproof cover (5) in a clamping mode, and the bottom of the dustproof cover (5) is fixedly connected with the left end of the bottom of the lens main body (1) through a plastic soft belt (6).

5. An ultra-wide angle lens capable of adjusting the light angle according to claim 1, wherein: the middle of the inner ring surface of the dustproof cover (5) is fixedly connected with a rubber ring (8), and a cleaning brush (7) is arranged in the dustproof cover (5) and on the left side of the rubber ring (8).

6. An ultra-wide angle lens of claim 5, wherein: the cleaning brush (7) comprises a fixing sheet (71), the diameter of the fixing sheet (71) is smaller than the diameter of an inner ring of the rubber ring (8), a sponge wiper (72) is bonded on the left side of the fixing sheet (71), and a handle (73) is fixedly connected to the right side of the fixing sheet (71).

7. A method for adjusting an ultra-wide angle lens capable of adjusting an incoming light angle according to any one of claims 1 to 6, comprising: the method specifically comprises the following steps:

step one, lens installation and use: when shooting, the lens main body (1) is screwed on the camera, then the dustproof cover (5) is taken down, and shooting can be started, and if the replacement lens (2) needs to be replaced, the replacement lens (2) can be directly screwed down and installed;

step two, adjusting by a shading adjusting cylinder (3): when the light inlet angle needs to be adjusted, namely a shooting interval is adjusted, a rotating cap (43) of a rotary fine adjustment assembly (4) is pinched and pulled out, the rear end of a rotating shaft (42) is separated from a prism hole (45), then the rotating cap (43) is rotated, the rotating shaft (42) is utilized to drive a driving gear (44) to rotate, then three meshed planet gears (47) are utilized to drive the planet gears (47) to rotate, then a meshed tooth groove (32) is matched to push a shading adjustment cylinder (3) to move left and right, pictures in a camera are observed at the same time until the pictures are adjusted to a proper position, finally the rotating cap (43) is loosened, the rotating cap (43) is pushed backwards by utilizing the suction force of a magnetic ring (410) to the cylinder (41), and then the rotating shaft (42) is inserted back into the prism hole (45) for limiting, and if the angles have deviation to cause that the camera cannot be inserted into the prism hole, the camera is slightly adjusted;

step three, lens glass cleaning: when the glass sheet of the replacement lens (2) is dirty, the cleaning brush (7) in the dustproof cover (5) can be taken out, the handle (73) is pinched, and the sponge wiper (72) is used for wiping the surface of the glass sheet, and the cleaning brush (7) is placed back into the dustproof cover (5) after cleaning is finished.

8. The method of claim 7, wherein the method further comprises: in the second step, the adjusting position of the shading adjusting cylinder (3) can be accurately controlled by observing the scale strips (33) in the shading adjusting cylinder (3).

Technical Field

The invention relates to the technical field of super-wide-angle lenses, in particular to a super-wide-angle lens capable of adjusting a light inlet angle and an adjusting method thereof.

Background

The wide-angle lens is a photographic lens with a focal length shorter than that of a standard lens, a visual angle larger than that of the standard lens, a focal length longer than that of a fisheye lens and a visual angle smaller than that of the fisheye lens. The wide-angle lens is divided into a common wide-angle lens and an ultra wide-angle lens. The focal length of a common wide-angle lens is generally 38-24 mm, and the visual angle is 60-84 degrees; the focal length of the super wide-angle lens is 20-13 mm, and the visual angle is 94-118 degrees. The wide-angle lens has short focal length and large visual angle, so that a scene with a large area can be shot in a short shooting distance range. The wide-angle digital camera has a short focal length of lens, a wide visual angle and a deep depth of field, and is suitable for taking photos of large scenes, such as subjects of buildings, landscapes and the like. In the wide-angle lens, a lens having a particularly wide angle range (80 to 110 degrees) is called as such. On a 35 mm camera, a 15-20 mm lens is used. The ultra-wide angle lens has a wide visual field, does not have strong distortion unlike a fish-eye lens, and is a lens with distortion eliminated well.

When the existing ultra-wide angle lens shoots, the light entering angle is large, so the shooting range is large, but sometimes the focus can only be adjusted to zoom in a picture if a large range is not needed or some pictures at the edge are not wanted to be shot, but the expected effect of the picture is influenced, or the picture is edited at the later stage, but the operation is troublesome, and a computer and other tools are needed.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the super-wide-angle lens capable of adjusting the light entering angle and the adjusting method thereof, and solves the problems that the shooting effect is influenced and the shooting is troublesome because the traditional super-wide-angle lens can only adjust the shooting interval by adjusting the focal length to zoom in the picture or by editing in the later period.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an ultra-wide angle camera lens of adjustable light angle of advancing, includes the camera lens main part, and the left end threaded connection of camera lens main part has the replacement camera lens, the outside left side sliding sleeve of camera lens main part is equipped with a shading and adjusts a section of thick bamboo, the positive left side fixedly connected with of camera lens main part runs through the shading and adjusts the smart accent subassembly of a section of thick bamboo, and the shading adjusts the spout of a section of thick bamboo surface set up with the smart accent subassembly looks adaptation.

The fine adjustment component comprises a cylinder fixedly connected to the surface of the lens main body, the center of the front surface of the cylinder is in a penetrating and rotating connection with a rotating shaft, the end of the rotating shaft positioned outside the cylinder is fixedly connected with a rotating cap, the surface of the rotating shaft positioned at the end inside the cylinder is prismatic, and the surface is fixedly connected with a driving gear, the rear end of the rotating shaft protrudes out of the driving gear, the center of the rear wall of the cylinder is provided with a prismatic hole matched with the rear end of the rotating shaft, three planet wheels meshed with the driving gear are rotatably connected with three sides of the driving gear in the cylinder through positioning shafts, and the outer parts of the three planet wheels are in meshing transmission connection with a gear ring, convex teeth are arranged on the inner side and the outer side of the gear ring, and the top of the cylinder is provided with a notch for the top of the toothed ring to extend out, and the top of the inner surface of the sliding chute is provided with a tooth socket meshed with the top of the toothed ring.

Preferably, the cylinder is made of iron, the surface of the cylinder is coated with anticorrosive paint, and the back of the rotary cap is embedded and fixedly connected with a magnetic ring in the outer side of the rotating shaft.

Preferably, one side of the inner surface of the shading adjusting cylinder is provided with a scale bar, and the parts of the inner surface of the shading adjusting cylinder, except the scale bar, are sprayed with black light absorption coating.

Preferably, the left end of the shading adjusting cylinder is clamped with a dustproof cover, and the bottom of the dustproof cover is fixedly connected with the left end of the bottom of the lens main body through a plastic soft belt.

Preferably, the middle of the inner ring surface of the dust cover is fixedly connected with a rubber ring, and a cleaning brush is arranged inside the dust cover and on the left side of the rubber ring.

Preferably, the cleaning brush comprises a fixing sheet, the diameter of the fixing sheet is smaller than that of the inner ring of the rubber ring, the sponge wiper is bonded on the left side of the fixing sheet, and the handle is fixedly connected to the right side of the fixing sheet.

The invention also discloses an adjusting method of the super-wide-angle lens capable of adjusting the light entrance angle, which specifically comprises the following steps:

step one, lens installation and use: when shooting, the lens main body is screwed on the camera, then the dustproof cover is taken down, the shooting can be started, and if the replacement lens needs to be replaced, the replacement lens can be directly screwed down and the required replacement lens can be installed;

step two, adjusting a shading adjusting cylinder: when the light inlet angle needs to be adjusted, namely a shooting interval is adjusted, a rotating cap of the rotary fine adjustment assembly is held and pulled out, the rear end of a rotating shaft is separated from a prism hole, then the rotating cap is rotated, a driving gear is driven to rotate by the rotating shaft, then three planet gears which are meshed with each other are used for driving the planet gears to rotate, then a shading adjusting cylinder is pushed to move left and right by matching with a tooth groove which is meshed with each other, pictures in a camera are observed at the same time until the pictures are adjusted to a proper position, finally the rotating cap is loosened, the rotating cap is pushed backwards by the suction of a magnetic ring to the cylinder, and then the rotating shaft is inserted into the prism hole for limiting, and if the angle is deviated and cannot be inserted, the small angle adjustment is carried out;

step three, lens glass cleaning: when the glass sheet of the replacement lens is dirty, the cleaning brush in the dustproof cover can be taken out, the handle is pinched to wipe the surface of the glass sheet with sponge, and the cleaning brush is put back into the dustproof cover after cleaning.

Preferably, in the second step, the adjusting position of the shading adjusting cylinder can be accurately controlled by observing the scale bars in the shading adjusting cylinder.

Advantageous effects

The invention provides an ultra-wide angle lens capable of adjusting a light inlet angle and an adjusting method thereof. Compared with the prior art, the method has the following beneficial effects:

(1) this super wide-angle lens of adjustable light angle of advancing and regulation method thereof, through set up the shading in the camera lens outside and adjust a section of thick bamboo, and the position of shading regulation section of thick bamboo is adjusted to accessible fine tuning subassembly, and then control the camera lens angle scope of advancing, can be pertinence shoot certain region when shooing, satisfy more shooting demands, interval mode is shot in the physics regulation simultaneously, the operation of later stage editor has been made things convenient for greatly, and the fine tuning subassembly can carry out the fine adjustment through gear drive ratio, it is more accurate to adjust, and can carry out the auto-lock, avoid gyration influence effect, high durability and convenient use.

(2) The ultra-wide-angle lens with the adjustable light inlet angle and the adjusting method thereof are characterized in that a dustproof cover is clamped at the left end of a shading adjusting cylinder, the bottom of the dustproof cover is fixedly connected with the left end of the bottom of a lens main body through a plastic soft belt, a rubber ring is fixedly connected in the middle of the inner ring surface of the dustproof cover, a cleaning brush is arranged inside the dustproof cover and on the left side of the rubber ring, the cleaning brush comprises a fixing sheet, the diameter of the fixing sheet is smaller than the diameter of the inner ring of the rubber ring, a sponge wiper is bonded on the left side of the fixing sheet, a handle is fixedly connected to the right side of the fixing sheet, the lens can be covered by the dustproof cover to protect the dustproof cover when the dustproof cover is not used, the dustproof cover is internally provided with the cleaning brush, the lens can be taken out at any time to clean, the definition is maintained, the dustproof cover can be collected in normal times and limited by the rubber ring, is not easy to drop, and can be carried about, and the use is convenient.

(3) The ultra-wide angle lens with the adjustable light entering angle and the adjusting method thereof have the advantages that the scale strips are arranged on one side of the inner surface of the shading adjusting barrel, black light absorbing coatings are sprayed on the inner surface of the shading adjusting barrel except the scale strips, the scale strips are arranged in the shading adjusting barrel, so that the elongation can be controlled more accurately, the light entering angle interval can be controlled more accurately, the black light absorbing coatings are sprayed in the black light absorbing coatings, the problem of fuzzy pictures caused by light reflection can be avoided, and the picture shooting quality is improved.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a partial cross-sectional view of the structure of the present invention;

FIG. 3 is a cross-sectional view of the fine adjustment assembly of the present invention;

FIG. 4 is a side cross-sectional view of the fine adjustment assembly of the present invention;

fig. 5 is a perspective view of the shade adjusting barrel of the present invention.

In the figure: 1-a lens main body, 2-a replaceable lens, 3-a shading adjusting cylinder, 31-a sliding chute, 32-a tooth socket, 33-a scale bar, 34-black light absorption coating, 4-a fine adjusting component, 41-a cylinder, 42-a rotating shaft, 43-a rotating cap, 44-a driving gear, 45-a prism hole, 46-a positioning shaft, 47-a planet wheel, 48-a toothed ring, 49-a notch, 410-a magnetic ring, 5-a dustproof cover, 6-a plastic soft belt, 7-a cleaning brush, 71-a fixing piece, 72-a sponge wiper, 73-a handle and 8-a rubber ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an ultra-wide angle lens capable of adjusting light entering angle comprises a lens main body 1, wherein a replacement lens 2 is in threaded connection with the left end of the lens main body 1, a shading adjusting cylinder 3 is slidably sleeved on the left side of the outer part of the lens main body 1, a scale bar 33 is arranged on one side of the inner surface of the shading adjusting cylinder 3, black light absorption coatings 34 are sprayed on the inner surface of the shading adjusting cylinder 3 except the scale bar 33, the scale bar 33 is arranged in the shading adjusting cylinder 3, so that the elongation is controlled more accurately, thereby more accurately controlling the light-entering angle interval, and the black light-absorbing coating 34 is sprayed inside the light-entering angle interval, the problem of blurred picture that the reflection of light caused can be avoided, the quality of picture shooting is improved, the positive left side fixedly connected with of camera lens main part 1 runs through the shading and adjusts fine tuning subassembly 4 of a section of thick bamboo 3, and the spout 31 with fine tuning subassembly 4 looks adaptation is seted up on the surface of a shading and adjusts a section of thick bamboo 3.

The fine adjustment assembly 4 comprises a cylinder 41 fixedly connected to the surface of the lens body 1, a rotating shaft 42 is rotatably connected to the center of the front surface of the cylinder 41 in a penetrating manner, a rotating cap 43 is fixedly connected to one end of the rotating shaft 42, which is positioned outside the cylinder 41, the surface of the rotating shaft 42, which is positioned at one end inside the cylinder 41, is prismatic, a driving gear 44 is fixedly connected to the surface of the rotating shaft, the rear end of the rotating shaft 42 protrudes out of the driving gear 44, a prismatic hole 45 matched with the rear end of the rotating shaft 42 is formed in the center of the rear wall of the cylinder 41, the cylinder 41 is made of iron, anticorrosive paint is sprayed on the surface of the cylinder 41, a magnetic ring 410 is fixedly connected to the back surface of the rotating cap 43 and is embedded outside the rotating shaft 42, three planetary wheels 47 meshed with the driving gear 44 are rotatably connected to three sides of the cylinder 41, a toothed ring 48 is connected to the outside of the three planetary wheels 47 in a meshing transmission manner, and convex teeth are formed on the inner side and the outer side of the toothed ring 48, and the breach 49 that supplies ring gear 48 top to stretch out is seted up at the top of drum 41, the tooth's socket 32 with ring gear 48 top engaged with is seted up at the top of spout 31 internal surface, adjust a section of thick bamboo 3 through set up the shading in the camera lens outside, and the position of a section of thick bamboo 3 is adjusted to the shading of accessible fine adjustment subassembly 4, and then come control camera lens to advance the light angle scope, can be pertinence shoot certain region when shooing, satisfy more shooting demands, interval mode is shot in the physics regulation simultaneously, the operation of later stage editor has been made things convenient for greatly, and fine adjustment subassembly 4 can carry out the precision adjustment through the gear drive ratio, adjust more accurately, and can carry out the auto-lock, avoid gyration influence effect, high durability and convenient use.

The left end of shading adjusting cylinder 3 has been spliced and has been had shield 5, through the soft 6 fixed connection in plastics area between the left end of shield 5's bottom and the camera lens main part 1 bottom, the middle fixedly connected with rubber ring 8 of the interior anchor ring of shield 5, the inside of shield 5 just is located the left side of rubber ring 8 and is provided with cleaning brush 7, cleaning brush 7 includes stationary blade 71, and the diameter of stationary blade 71 is less than the inner circle diameter of rubber ring 8, the left side bonding of stationary blade 71 has sponge to wipe 72, and the right side fixedly connected with handle 73 of stationary blade 71, can cover the camera lens when not using through setting up shield 5 and protect, and shield 5 embeds has cleaning brush 7, can take out at any time and clear up the camera lens, keep the definition, can receive at ordinary times and utilize rubber ring 8 restriction in shield 5, make it difficult for it to drop, more can hand-carry, high durability and convenient use.

The invention also discloses an adjusting method of the super-wide-angle lens capable of adjusting the light entrance angle, which specifically comprises the following steps:

step one, lens installation and use: when shooting, the lens main body 1 is screwed on the camera, then the dustproof cover 5 is taken down, and shooting can be started, and if the replacement lens 2 needs to be replaced, the replacement lens 2 can be directly screwed down and installed;

step two, adjusting by the shading adjusting cylinder 3: when the light inlet angle needs to be adjusted, namely the shooting interval is adjusted, the screw cap 43 of the rotary fine adjustment assembly 4 is pinched and pulled out, the rear end of the rotary shaft 42 is separated from the prism hole 45, then the screw cap 43 is rotated, the rotary shaft 42 is utilized to drive the driving gear 44 to rotate, then the three meshed planet gears 47 are utilized to drive the planet gears 47 to rotate, the meshed tooth grooves 32 are matched to push the shading adjustment cylinder 3 to move left and right, the picture in the camera is observed at the same time until the shading adjustment cylinder 3 is adjusted to a proper position (the adjusting position of the shading adjustment cylinder 3 can be accurately controlled by observing the scale bars 33 in the shading adjustment cylinder 3), finally the screw cap 43 is loosened, the suction force of the magnetic ring 410 to the cylinder 41 is utilized to push the screw cap 43 backwards, so that the rotary shaft 42 is inserted into the prism hole 45 to limit, and if the angle deviation causes that the light cannot be inserted into the prism hole, the light-adjustable camera can be adjusted by a small angle;

step three, lens glass cleaning: when the glass sheet of the replacement lens 2 is dirty, the cleaning brush 7 in the dust cover 5 can be taken out, the handle 73 is pinched and the sponge 72 is used for wiping the surface of the glass sheet, and the cleaning brush 7 is put back into the dust cover 5 after the cleaning is finished.

And those not described in detail in this specification are well within the skill of those in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.