CN210534513U - 3D shooting lens switching device and 3D shooting system with same - Google Patents
3D shooting lens switching device and 3D shooting system with same Download PDFInfo
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- CN210534513U CN210534513U CN201921203096.6U CN201921203096U CN210534513U CN 210534513 U CN210534513 U CN 210534513U CN 201921203096 U CN201921203096 U CN 201921203096U CN 210534513 U CN210534513 U CN 210534513U
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Abstract
The utility model discloses a 3D stereoscopic shooting lens switching device and have its 3D stereoscopic shooting system, switching device installs between camera and camera lens, including the light path change extension cylinder and connect respectively at its both ends the camera lens connecting cylinder and camera connecting cylinder, with lens connecting cylinder and camera connecting cylinder central axis parallel arrangement, camera connecting cylinder and camera rotate to be connected, adjustable focus, also can dismantle; the lens connecting cylinder is detachably connected with the lens. The utility model discloses a camera or camera of two same specifications, connect the camera lens through switching device, need focusing and the wheel base that increases two camera lenses when camera and the distance increase between the thing of being shot, or reduce along with camera and the distance between the thing of being shot, during focusing and the wheel base that shortens two camera lenses, only just can realize through rotating switching device, realize focus adjustment linkage wheel base adjustment, the debugging is convenient, installation repeatability is high, the best effect can both be guaranteed to the solid when shooting in short-range view and long-range view.
Description
Technical Field
The utility model relates to a photographic technical field that makes a video recording of 3D, more specifically the utility model relates to a three-dimensional shot-lens switching device of 3D and have its three-dimensional shooting system that says so.
Background
With the increasing popularity of digital image input and output devices, digital stereoscopic images have been developed greatly. In the prior art, there are two methods for obtaining a stereoscopic digital image, one is obtained by shooting with a professional 3D digital camera, and the biggest change of the 3D digital camera is to combine the acquired synchronous image signals on the two CCD sensors and immediately process the signals into a high-quality image. However, the digital camera has poor universality and is not suitable for shooting under various conditions and for various purposes; the other is to shoot the same object at different angles by two common digital cameras or video cameras to achieve the purpose of 3D shooting; however, in the prior art, when two cameras shoot in parallel, the distance between the lenses cannot be too small due to the limited volume of the cameras, which causes that a close view cannot shoot or the stereoscopic effect is poor, which causes dizziness, nausea and extreme discomfort of eyes, while a 3D camera for shooting a movie is a shooting device formed by combining two cameras in a vertical manner, which has a huge volume, is too heavy and is not beneficial to moving, and in order to adjust the angles and positions of two shooting units, the structure is complex, the production and use costs are increased invisibly, and the price is expensive, so that the 3D camera is difficult to be accepted by common consumers.
Therefore, it is an urgent need to solve the problem of the art to provide a compact and convenient adapter for a 3D stereoscopic camera lens to be applied to various cameras and cameras.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least, provide a simple structure, conveniently adjust the 3D stereoscopic camera lens switching device of two photographic lens angles and interval and have its 3D stereoscopic camera system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the 3D shooting lens switching device is arranged between a camera and a lens, comprises a light path changing extension cylinder, a lens connecting cylinder and a camera connecting cylinder, wherein the lens connecting cylinder and the camera connecting cylinder are respectively connected to two ends of the light path changing extension cylinder; the camera connecting cylinder is rotatably connected with the camera; the lens connecting cylinder is detachably connected with the lens.
Can know via foretell technical scheme, compare with prior art, the utility model discloses realize the adjustability of camera lens inter-axial distance, easy operation can come adjusting device according to the shooting demand of different scenes.
Furthermore, a first total reflection prism and a second total reflection prism are fixed at two ends inside the light path changing and extending cylinder, and an optical component for extending the light path is arranged between the two total reflection prisms.
Furthermore, a circle of scale strip used for accurately adjusting the rotation angle of the camera connecting cylinder is arranged at the rotary connection position of the camera connecting cylinder and the light path change extension cylinder.
3D stereoscopic camera system, comprising:
the three-dimensional shooting device comprises a first shooting unit and a second shooting unit, wherein the first shooting unit and the second shooting unit respectively comprise a camera, a lens and the 3D shooting lens switching device; the relative positions of cameras in the first camera shooting unit and the second camera shooting unit are fixed; the distance between the lenses in the first camera unit and the second camera unit is adjusted by respectively and simultaneously rotating the preset angle of the corresponding camera connecting cylinder.
Compared with the prior art, the utility model discloses a photographic lens is connected to two sets of the same units of making a video recording, through switching device's camera lens connecting cylinder, need focusing and the distance that increases two camera lenses when camera and by the increase of distance between the thing of shooing, or reduce along with camera and by the distance between the thing of shooing, and when needing focusing and shortening the interval of two camera lenses, only just can realize through rotating this switching device, the debugging is convenient, installation repeatability is high, can both guarantee best stereoeffect when shooting with the distant view near-range.
Furthermore, an adjusting structure for adjusting the shooting focal length and the wheelbase in a linkage manner is arranged at the position where the front end of the camera is connected with the camera connecting cylinder; the adjusting structure can adjust the rotation angle of the 3D stereoscopic shooting lens switching device in a linkage manner while adjusting the focal length, namely, the shooting object distance and the rotation angle of the 3D stereoscopic shooting lens switching device can be kept synchronous.
The beneficial effect who adopts above-mentioned scheme is, has good imaging quality after guaranteeing that each photographic lens connects.
Further, the lens connecting cylinder is connected with lenses of different specifications.
The beneficial effect of adopting above-mentioned scheme is that, the camera lens connecting cylinder is connected conveniently, can conveniently change photographic lens as required.
Furthermore, the camera connecting cylinder in the first camera shooting unit and the second camera shooting unit rotates by a specific angle corresponding to the distance between the camera and the shot object.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a side view of the utility model relates to a 3D stereoscopic camera lens switching device.
Fig. 2 is a perspective view of the lens switching device of the present invention.
Fig. 3 is a front view of the utility model relates to a 3D stereoscopic camera lens switching device.
Fig. 4 is a front view of another state of the 3D stereoscopic camera lens adapter.
Wherein:
a camera 1; a lens 2; a light path changing extension cylinder 3; an adjustment structure 4; a lens barrel 31; a camera connector barrel 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
According to the embodiment of the present invention, a 3D stereoscopic camera lens switching device is installed between a camera 1 and a camera lens 2, as shown in fig. 1-2, and includes a light path changing extension barrel 3, and a lens connection barrel 31 and a camera connection barrel 32 connected to two ends thereof, wherein central axes of the lens connection barrel 31 and the camera connection barrel 32 are arranged in parallel, and a prism which extends light parallel to the central axis of the lens connection barrel 31 into the camera connection barrel 32 and is parallel to the central axis thereof is provided in the light path changing extension barrel 3; the middle part is an optical component for extending the light path, and the camera connecting cylinder 32 is rotationally connected with the camera 1; the lens barrel 31 is detachably connected to the lens 2.
Advantageously, the optical path changing extension cylinder 3 is arranged perpendicular to the lens connection cylinder 31 and the camera connection cylinder 32, both ends of the optical path changing extension cylinder are provided with 45-degree inclined planes, both ends of the interior of the optical path changing extension cylinder 3 are fixed with a first total reflection prism and a second total reflection prism, the middle is an optical component for optical path extension, which can be a lens group, and the first total reflection prism and the second total reflection prism are correspondingly arranged on the inclined planes; the ports of the lens connecting cylinder 31 and the camera connecting cylinder 32 can be set to be various interfaces with the camera 1 and the lens 2, so that the lens 2 with different specifications can be conveniently connected to the lens connecting cylinder 31, and the camera 1 is connected to the camera connecting cylinder 32.
More advantageously, in order to improve the imaging effect and the operation simplicity, the camera connecting cylinder 32 is provided with an adjusting structure 4 for adjusting the focal length and the axle distance of the camera, the axle distance between the two cameras is changed by rotating the adjusting structure 4, and the focusing function and the rotating part of the camera connecting cylinder can also be linked, the cylinder can also rotate along with the adjustment of the focal point, and when a group of two devices are used symmetrically, the purpose of adjusting the axle distance of the two lenses simultaneously is achieved.
As shown in fig. 3, according to the utility model discloses 3D stereo-photography system, include: the three-dimensional shooting device comprises a first shooting unit and a second shooting unit, wherein the first shooting unit and the second shooting unit respectively comprise a camera 1, a lens 2 and the 3D shooting lens switching device; the two 3D shooting lens switching devices form a group, and rotating parts of the two devices in the group are symmetrical; except for the pitching of the camera body and the included angle between the axes of the two camera lenses, the cameras 1 in the first camera unit and the second camera unit can be adjusted, and the relative positions of the camera bodies are fixed; the distance between the lenses 2 in the first and second imaging units is adjusted by a predetermined angle by rotating their corresponding camera connecting cylinders respectively and simultaneously.
Advantageously, in order to achieve the accuracy of the angle adjustment, a circle of scale bar for accurately adjusting the rotation angle is arranged at the rotational connection position of the optical path changing extension barrel 3 and the camera connecting barrel 32, so that the two reflecting lens barrels can always keep the same rotation angle when rotating around the axis of the first connecting head, and the best shooting effect can be obtained.
In some embodiments, the camera connecting cylinder 32 of the first and second camera units is rotated by a specific angle corresponding to the distance between the camera 1 and the object to be photographed, and the distance between the object to be photographed and the camera is increased and decreased as the rotation angle is larger; also can form the linkage along with the focus adjustment of object distance change and the wheel base adjustment of rotation angle, also can correspond the object distance that can shoot promptly through other modes through adjusting the camera connecting cylinder 32 rotation angle in predetermined first camera unit and the second camera unit, can realize that the structure of this function is all in the utility model discloses this technical scheme's protection within range. For example, the focal length is 35mm, as shown in fig. 3, the angle between the two lenses and the horizontal is 0 degree at the initial position, and when a scene with a distance of 3 meters is shot, the two lenses are rotated to a position with a 30 degree angle with the horizontal; when a scene with the shooting distance of 8 meters is shot, the two lenses are rotated to the position where the included angle between the two lenses and the horizontal plane is 90 degrees; when the scene with the shooting distance of more than 12 meters is shot, the two lenses are rotated to the position where the included angle between the two lenses and the horizontal plane is 120 degrees (shown in figure 4); when the scenery with the shooting distance of more than 20 degrees is shot, the scenery is rotated to the position where the two lenses form an angle of 180 degrees with the horizontal plane.
In order to ensure that each photographic lens has good imaging quality and the whole equipment is light and practical after being connected, the axial distance between the lenses of the two cameras 1 is from the initial 0-degree position to the position of rotating 180 degrees, and the shortest distance is one time of the diameter of the lens, so that the shooting adjusting requirements under the conditions of different object distances are met.
The utility model has simple operation and low cost, is convenient to be assembled and disassembled by corresponding to the general interface connection on the market, can replace the lens with different models according to the requirement and has strong universality; the distance between the two photographic lenses is adjusted by rotating the reflecting lens barrel, so that the distance between the two photographic lenses is widened along with the increase of the distance between the camera and the shot scene and narrowed along with the decrease of the distance between the camera and the shot scene, and thus, the distance between the two lenses is designed to be adjustable along with the focal length of the camera, and the optimal three-dimensional effect is achieved during close-range and long-range shooting.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a 3D stereoscopic camera lens switching device, installs between camera (1) and camera lens (2), its characterized in that: the optical path changing and extending device comprises an optical path changing and extending cylinder (3), a lens connecting cylinder (31) and a camera connecting cylinder (32) which are respectively connected to two ends of the optical path changing and extending cylinder, wherein the central axes of the lens connecting cylinder (31) and the camera connecting cylinder (32) are arranged in parallel, and a prism and an optical path extending component which extend light rays parallel to the central axes of the lens connecting cylinder (31) and the camera connecting cylinder (32) into the camera connecting cylinder (32) and are parallel to the central axes of the lens connecting cylinder and the camera connecting cylinder are arranged in the optical path changing and extending; the camera connecting cylinder (32) is rotationally connected with the camera (1); the lens connecting barrel (31) is detachably connected with the lens (2).
2. The lens adapter of claim 1, wherein a first total reflection prism and a second total reflection prism are fixed at two ends of the inside of the optical path changing extension cylinder (3), and an optical component for optical path extension is arranged between the two total reflection prisms.
3. The lens adapter according to claim 1, wherein a circle of scale bars for accurately adjusting the rotation angle of the camera connecting cylinder (32) is provided at the rotational connection of the camera connecting cylinder (32) and the optical path changing extension cylinder (3).
4. A3D shooting system, comprising:
a first camera unit and a second camera unit, wherein the first camera unit and the second camera unit respectively comprise a camera (1)/a video camera, a lens (2) and a 3D stereoscopic shooting lens switching device according to any one of claims 1 to 3; the relative positions of cameras (1) in the first camera shooting unit and the second camera shooting unit are fixed; the distance between the axes of the lenses in the first camera shooting unit and the second camera shooting unit is adjusted by respectively and simultaneously rotating the preset angles of the corresponding camera connecting cylinders.
5. A3D camera system according to claim 4, characterized in that the position where the front end of the camera (1) is connected with the camera connecting cylinder (32) is provided with an adjusting structure (4) for communicating and adjusting the camera focal length and the wheelbase.
6. A3D camera system according to claim 4, characterized in that the lens connection barrel (31) connects lenses (2) of different specifications.
7. A3D camera system according to claim 4, characterized in that the camera connection barrel (32) of the first camera unit and the second camera unit is rotated a certain angle corresponding to the distance between the camera (1) and the object to be photographed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921203096.6U CN210534513U (en) | 2019-07-29 | 2019-07-29 | 3D shooting lens switching device and 3D shooting system with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921203096.6U CN210534513U (en) | 2019-07-29 | 2019-07-29 | 3D shooting lens switching device and 3D shooting system with same |
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| Publication Number | Publication Date |
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| CN210534513U true CN210534513U (en) | 2020-05-15 |
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| CN201921203096.6U Active CN210534513U (en) | 2019-07-29 | 2019-07-29 | 3D shooting lens switching device and 3D shooting system with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376827A (en) * | 2019-07-29 | 2019-10-25 | 唐山飞天科技有限公司 | 3D stereoscopic shooting lens adapter and 3D camera system with it |
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2019
- 2019-07-29 CN CN201921203096.6U patent/CN210534513U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376827A (en) * | 2019-07-29 | 2019-10-25 | 唐山飞天科技有限公司 | 3D stereoscopic shooting lens adapter and 3D camera system with it |
| CN110376827B (en) * | 2019-07-29 | 2023-06-30 | 唐山飞天科技有限公司 | 3D stereoscopic shooting lens switching device and 3D shooting system with same |
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