Automatic focus following device

Abstract

The utility model relates to the technical field of follow focus devices, and discloses an automatic follow focus device which comprises a handle and a host, a sensor module is arranged on the front face of the host, a manual focusing wheel is arranged on the side edge of the host, a battery module is arranged on the host, a clamp is installed at the bottom of the host, and a locking stud is arranged on the clamp. The arranged sensor module can detect the focal length of the lens in real time, the automatic focus following function is achieved through analysis and processing of the main control board, and the focusing accuracy and stability are greatly improved. Meanwhile, due to the arrangement of the manual focusing wheel, the function of manual adjustment is reserved, information of manual adjustment can be transmitted to the main control board for auxiliary control, and the accuracy and stability of focal length adjustment are further improved. The Bluetooth connection of the handle and the arrangement of the display screen enable a user to carry out remote control and observation through the handle, which is more convenient and quicker. And due to the design of the clamp and the locking stud, the host can be mounted and dismounted more simply, conveniently and quickly, and the portability and practicability of the equipment are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of follow focus ware, specifically is a kind of automatic follow focus ware. BACKGROUND

[0002] In the field of photography and videography, follow focus ware is an important auxiliary equipment, which can help photographers or videographers achieve accurate focusing on the shooting object. Existing follow focus ware usually includes two types of manual follow focus ware and automatic follow focus ware. Manual follow focus ware relies on the experience and technology of the operator to achieve focusing by manually adjusting the focusing ring of the lens. This method often fails to ensure the accuracy and stability of the focal point when shooting dynamic pictures.

[0003] Although automatic follow focus ware can automatically adjust the focus, existing automatic follow focus ware is complex in structure, cumbersome to operate, not simple enough, and cannot achieve rapid automatic focusing, which is inconvenient for rapid assembly and remote start. In addition, existing automatic follow focus ware often fails to accurately track when facing changes in light, low contrast, or rapidly moving shooting objects, resulting in focusing failure.

[0004] Therefore, based on the above technical problems, it is necessary for technicians in the field to develop an automatic follow focus ware. INVENTION CONTENTS

[0005] The utility model aims to provide an automatic follow focus ware to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] An automatic follow focus ware technical scheme includes a handle and a main machine. The main machine is provided with a sensor module on the front face. The main machine is provided with a manual focusing wheel on the side edge. The main machine is provided with a battery module. The main machine is installed with a clamp on the bottom. The clamp is provided with a locking stud.

[0008] As a preferred technical scheme, the main machine is built-in with a main control board. The main control board is connected with the handle through Bluetooth for remote control. The handle is provided with a display screen and a key area below the display screen.

[0009] As a preferred technical scheme, the sensor module is used to detect the lens focal length in real time and transmit the focal length information to the main control board for analysis and processing to realize the automatic focusing function.

[0010] As a preferred technical scheme, the manual focusing wheel is used to manually adjust the focal length. The focal length is changed by rotating the manual focusing wheel. At the same time, the rotation information of the manual focusing wheel is also transmitted to the main control board. The main control board will assist the control of manual focusing according to the rotation information to ensure the accuracy and stability of focal length adjustment.

[0011] As a preferred technical solution, the clamp and the locking stud are used for quick installation and fixation of the main machine.

[0012] Compared with the prior art, the automatic focusing device has the following beneficial effects:

[0013] The sensor module can detect the focal length of the lens in real time, and the automatic focusing function is realized through the analysis and processing of the main control board, which greatly improves the accuracy and stability of focusing. At the same time, the manual focusing wheel is not only reserved for manual adjustment, but also can transmit the information of manual adjustment to the main control board for auxiliary control, further improving the accuracy and stability of focal length adjustment. In addition, the Bluetooth connection of the handle and the display screen setting make the user can remotely control and observe through the handle, which is more convenient and fast. The design of the clamp and the locking stud makes the installation and disassembly of the main machine more convenient and fast, improves the portability and practicality of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the main machine structure of the automatic focusing device;

[0015] Figure 2 It is a schematic diagram of the handle structure of the automatic focusing device;

[0016] Figure 3 It is a schematic diagram of the front structure of the main machine of the automatic focusing device.

[0017] In the drawing, 1, handle; 11, display screen; 12, key area; 2, main machine; 21, sensor module; 22, manual focusing wheel; 23, battery module; 24, clamp; 25, locking stud. DETAILED DESCRIPTION

[0018] The features and exemplary embodiments of each aspect of the present application will be described in detail below, in order to make the purpose, technical scheme and advantages of the present application more clear and clear, the present application will be described in further detail below in combination with the drawings and specific embodiments. For those skilled in the art, the present application can be implemented without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present application by showing examples of the present application.

[0019] As Figure 1 , Figure 2 and Figure 3As shown, the utility model provides a kind of automatic focusing device technical scheme: including handle 1 and host computer 2, host computer 2 front is provided with sensor module 21, host computer 2 side is provided with manual focusing wheel 22, host computer 2 is provided with battery module 23, host computer 2 bottom is equipped with clamp 24, clamp 24 is provided with locking stud 25.

[0020] Handle 1 is the main interface of user operation automatic focusing device.As shown, Figure 2 As shown, handle 1 is provided with display screen 11, for real-time display lens focal length information, battery capacity and other state information.Display screen 11 below is provided with key area 12, including start / stop button, menu selection button, confirmation button etc., for user manual operation and setting.Handle 1 is built-in bluetooth module, can be wirelessly connected with the main control board of host computer 2, realizes remote control function.

[0021] Host computer 2 is the core part of automatic focusing device, as shown, Figure 1 Host computer front is provided with sensor module 21, for real-time detection lens focal length, and focal length information is transmitted to main control board to be analyzed and handled, to realize automatic focusing function.Sensor module 21 can be infrared sensor, ultrasonic sensor or other suitable detection technology.

[0022] Host computer 2 side is provided with manual focusing wheel 22, as shown, Figure 1 Manual focusing wheel 22 is used for manual adjustment focal length, changes focal length by rotating manual focusing wheel 22.Rotation information of manual focusing wheel 22 is also transmitted to main control board, and main control board will be assisted control manual focusing according to rotation information, ensure the accuracy and stability of focal length adjustment.

[0023] Host computer 2 is provided with battery module 23, as shown, Figure 1 Battery module 23 can be rechargeable lithium battery, provides power supply for automatic focusing device.Electric quantity information of battery module 23 can be shown on the display screen 11 of handle 1.

[0024] Host computer 2 bottom is equipped with clamp 24, as shown, Figure 1 Clamp 24 is used for fixing automatic focusing device on the lens of camera or video camera.Claw 24 is provided with locking stud 25, as shown, Figure 1 Locking stud 25 is used for adjusting the width of clamp 24, to adapt to different diameter lenses, and the position of automatic focusing device is fixed by rotating locking stud 25.

[0025] Host computer 2 is built-in main control board, as shown, Figure 1 Main control board is connected with handle 1 by bluetooth, for remote control.Main control board receives focal length information of sensor module 21 and rotation information of manual focusing wheel 22, after analysis and handling, controls the focusing action of lens, realizes automatic focusing function.

[0026] The installation of the automatic focus device is very simple. First, the main machine 2 is fixed on the lens of the camera or the video camera through the clamp 24 and the locking stud 25. Then, the power switch of the handle 1 is turned on, and the necessary settings are made through the display screen 11 and the key area 12. Finally, the automatic focus function is started, and the main control board will automatically adjust the lens focal length according to the detection result of the sensor module 21, or the user can fine-tune through the manual focus wheel 22.

[0027] Through the above specific embodiments, the automatic focus device of the utility model can realize fast and accurate automatic focusing, meanwhile, the manual adjustment function is retained, the focusing accuracy and stability are improved, and through the Bluetooth connection and the display screen, remote control and real-time state display are realized, which greatly improves the work efficiency of photographers or videographers.

[0028] The working principle and use process of the utility model are as follows: after the components of the scheme are assembled in sequence, the above-mentioned embodiments are sequentially operated according to actual requirements, and the whole working steps can be completed.

[0029] The above-mentioned is only the preferable specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art in the technical range disclosed by the utility model can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model, which should be covered in the protection scope of the utility model.

[0030] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0031] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connection", "fixing", "threading" and the like should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the utility model can be understood according to the specific meaning in the specific situation by the person skilled in the art.

[0032] In accordance with the above embodiments of the present application, these embodiments do not describe all the details, nor limit the present application to only the specific embodiments. Obviously, according to the above description, many modifications and changes can be made. The present application selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that those skilled in the art can well utilize the present application and make modifications based on the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An autofocus device, characterized in that It includes handle (1) and main machine (2), the front of main machine (2) is provided with sensor module (21), the side of main machine (2) is provided with manual focusing wheel (22), main machine (2) is provided with battery module (23), the bottom of main machine (2) is installed with clamp (24), clamp (24) is provided with locking stud (25).

2. An autofocus device according to claim 1, characterized in that: The main machine (2) is built-in main control board, the main control board is connected with handle (1) bluetooth, is used for remote control, the handle (1) is provided with display screen (11), and the lower portion is provided with key area (12).

3. The auto focus according to claim 1, wherein: The sensor module (21) is used for real-time detection of lens focal length, and the focal length information is transmitted to the main control board for analysis and processing to realize automatic focusing function.

4. The auto focus according to claim 1, wherein: The manual focusing wheel (22) is used for manual adjustment of focal length, and the focal length is changed by rotating the manual focusing wheel (22), and the rotation information of the manual focusing wheel (22) is also transmitted to the main control board, and the main control board will assist control the manual focusing according to the rotation information, to ensure the accuracy and stability of focal length adjustment.

5. The auto focus according to claim 1, wherein: The clamp (24), locking stud (25) are used for the quick installation of main machine (2) and fixed.

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