An artifact shooting system

Abstract

The utility model discloses an ancient article photographing system belongs to ancient article photographing technical field, include: three -axis moving mechanism, imaging device, imaging device with three -axis moving mechanism is connected, three -axis movement structure can drive imaging device moves in X -axis, Y -axis and Z -axis direction, photographic studio, photographic studio sets up one side of three -axis moving mechanism, light supplementing equipment, light supplementing equipment sets up one side of photographic studio, control system, control system with three -axis moving mechanism with light supplementing equipment is connected, display, display with control system with imaging device is connected, this application through setting three -axis moving mechanism can drive imaging device, moves in X -axis, Y -axis and Z -axis direction to can easily adjust the position of ancient article in image and multi -angle shooting, and the imaging device is more stable and convenient in the shooting process compared with artificial hand -held photographing, in addition, the light supplementing equipment can adjust the light according to different ancient articles. Can replace the background through the type of ancient article.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of cultural relic shooting technology, specifically a cultural relic shooting system. BACKGROUND

[0002] Cultural relics are the condensation of a country's cultural accumulation, and a large number of historical relics have recorded the development process of a nation and are historical evidence of excellent culture. The research, protection and restoration of cultural relics have attracted the attention of the state and society.

[0003] In the protection and research of cultural relics, high-quality shooting records of cultural relics are crucial. Traditional cultural relic shooting methods have many problems, such as difficulty in uniform and precise control of light, resulting in loss of cultural relic details or reflection affecting imaging; it is inconvenient to adjust the shooting angle, making it difficult to fully capture the complex shape characteristics of cultural relics; for large groups of cultural relics, there is a lack of efficient automated shooting process and image integration management function, which consumes a lot of manpower and time, and is prone to shooting omissions or repetition. SUMMARY

[0004] In order to solve the problems of the prior art, the utility model provides a cultural relic shooting system, which comprises: a three-axis moving mechanism;

[0005] An imaging device is connected to the three-axis moving mechanism through a three-dimensional rotating table, and the three-axis moving mechanism can drive the imaging device to move in the X, Y and Z directions;

[0006] A photo studio is arranged on one side of the three-axis moving mechanism;

[0007] A light supplementing device is arranged on one side of the photo studio for adjusting the light of the object placed in the photo studio during shooting;

[0008] A control system is connected to the three-axis moving mechanism and the light supplementing device for controlling the operation of the three-axis moving mechanism and the light supplementing device;

[0009] A display is connected to the control system and the imaging device for displaying the images shot by the imaging device.

[0010] Further, the three-axis moving mechanism comprises an X-axis moving mechanism, a Y-axis moving mechanism and a Z-axis moving mechanism;

[0011] The X-axis moving mechanism is connected to a support table, the Y-axis moving mechanism is slidingly connected to the X-axis moving mechanism, and the Z-axis moving mechanism is slidingly connected to the Y-axis moving mechanism;

[0012] The imaging device is mounted on the Z-axis moving mechanism;

[0013] The photographic studio and the light supplement device are connected with the support table.

[0014] Further, the control system comprises a motion controller, an upper computer and a control console.

[0015] The motion controller is connected with the zoom drive motors of the X-axis moving mechanism, the Y-axis moving mechanism and the Z-axis moving mechanism respectively, and the motion controller is connected with the upper computer, and the upper computer is connected with the imaging device.

[0016] The upper computer is installed in the support table and is used for processing the images taken by the imaging device.

[0017] The control console is connected with the motion controller and the light supplement device.

[0018] Further, the light supplement device comprises a first light supplement assembly and a second light supplement assembly.

[0019] The first light supplement assembly is used for driving the light supplement lamp connected therewith to make a rotating action perpendicular to the transverse direction.

[0020] The second light supplement assembly is used for driving the light supplement lamp connected therewith to make a rotating action perpendicular to the longitudinal direction.

[0021] One end of the first light supplement assembly is connected with the support table, and the other end of the first light supplement assembly is connected with the second light supplement assembly.

[0022] Further, the first light supplement assembly comprises a first rotating rod, a first light supplement lamp and a first motor.

[0023] The first rotating rod is provided with two and is symmetrically arranged at two sides of the photographic studio.

[0024] One end of the first rotating rod is connected with the first motor, and the first motor is connected with the support table.

[0025] The second light supplement assembly comprises a second rotating rod, a second light supplement lamp and a second motor.

[0026] The second rotating rod is provided with two, and the second motor is provided with two.

[0027] One end of the second rotating rod is connected with the second motor, and the other end of the second rotating rod is connected with a base, and the base is rotationally connected with the other end of the first rotating rod.

[0028] The shell of the second motor is rotationally connected with the other end of the first rotating rod through a mounting seat.

[0029] Another end of the second rotating rod is connected with another second motor, a housing of the second motor is connected with the support table, and the other end of the second rotating rod is connected with the support table through the support plate, and the two second rotating rods are symmetrically arranged.

[0030] The first motor and the second motor are connected with the motion controller.

[0031] Further, a support of an n-type structure is further included for supporting the first light supplementing assembly and the second light supplementing assembly.

[0032] The bottom of the support is connected with the support table.

[0033] First motors are arranged at the bottom of both sides of the support, one end of the first rotating rod is connected with the first motor, the other end of the first rotating rod is connected with the support through a connecting plate, and a space is left between the first rotating rod and the support.

[0034] One second motor is connected with one side of the top of the support, one end of one second rotating rod is connected with the second motor, and the other end of the second rotating rod is connected with the support through a connecting plate, and a space is left between the second rotating rod and the support.

[0035] Another second motor is connected with the bottom of one side of the support, one end of another second rotating rod is connected with the second motor, and the other end of the second rotating rod is connected with the bottom of the other side of the support through a connecting plate.

[0036] Further, a background changing assembly is arranged in the photographic studio.

[0037] The background changing assembly comprises a plurality of servo motors connected with the motion controller.

[0038] The servo motors are arranged at intervals and are connected with one side of the top of the photographic studio, output ends of the servo motors are provided with rotating shafts, the rotating shafts extend to the other side of the top of the photographic studio and are rotationally connected with the photographic studio, and background cloths of different colors are respectively wound on the rotating shafts.

[0039] The present application has the following beneficial effects:

[0040] 1. The three-axis moving mechanism can drive the imaging device to move in the X-axis, Y-axis and Z-axis directions, so that multi-angle shooting can be performed, and the imaging device is more stable and convenient than manual handheld shooting during shooting. In addition, the light supplementing device can adjust the light according to different cultural relics, so that the targeting is higher, most cultural relic shooting can be met, and the whole operation process is very convenient and efficient.

[0041] 2, the imaging device is fixed on the three-axis moving mechanism through the three-dimensional rotating table, the shooting angle of the imaging device can be adjusted at will, and horizontal shooting, vertical shooting, flat shooting and overhead shooting can be performed, and different backgrounds can be replaced according to different cultural relics during shooting.

[0042] 3, the whole operation process can be completed by operating a computer (namely a control system), and the whole shooting process can be controlled through a joystick (a control console) arranged on the support table and connected with the control system, so that the shooting process is simple and efficient. BRIEF DESCRIPTION OF DRAWINGS

[0043] Figure 1 A stereoscopic structure schematic view of the cultural relic shooting system is provided in the utility model;

[0044] Figure 2 A side structure schematic view of the cultural relic shooting system is provided in the utility model;

[0045] Figure 3 A front structure schematic view of the cultural relic shooting system is provided in the utility model;

[0046] Figure 4 A stereoscopic structure schematic view of the light supplementing equipment is provided in the utility model;

[0047] Figure 5 A front structure schematic view of the light supplementing equipment is provided in the utility model;

[0048] Figure 6 A control principle schematic view of the light supplementing equipment is provided in the utility model.

[0049] REFERENCE SIGNS:

[0050] In the drawing: 1 is an imaging device, 2 is a photographic studio, 3 is an X-axis moving mechanism, 4 is a Y-axis moving mechanism, 5 is a Z-axis moving mechanism, 6 is a support table, 7 is a first rotating rod, 8 is a first light supplementing lamp, 9 is a first motor, 10 is a second rotating rod, 11 is a second light supplementing lamp, 12 is a second motor, 13 is a support, 14 is a main display, and 15 is a vice display. DETAILED DESCRIPTION

[0051] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0052] Please refer to Figures 1-6The utility model provides a kind of cultural relic photographing system, comprising: three-axis moving mechanism;

[0053] Imaging device 1, the imaging device 1 is connected with the three-axis moving mechanism by three-dimensional rotating table, the three-axis moving mechanism can drive the imaging device 1 moves in X axis, Y axis and Z axis direction;Imaging device adopts 4500 million pixels full-frame image sensor, lens adopts large size macro lens, nearest shooting distance 60mm, high definition, color restores real, can obtain the digital image information of cultural relic, and image is transmitted to host computer and HDMI signal switching device by data line;Imaging device is fixed on three-axis moving mechanism by three-dimensional rotating table, the shooting angle of imaging device can be adjusted arbitrarily, can be transverse, vertical, flat and take a photograph;

[0054] Photostudio 2, the photostudio 2 is located in one side of the three-axis moving mechanism, and is connected with support platform;

[0055] Light supplementing equipment, the light supplementing equipment is located in one side of the photostudio 2, for light adjustment when the article placed in photostudio 2 is photographed;

[0056] Control system (can be computer, controller etc.), the control system is connected with the three-axis moving mechanism and the light supplementing equipment, for controlling the work of three-axis moving mechanism and light supplementing equipment;

[0057] Display, the display is connected with the control system and the imaging device 1, for showing the image of imaging device 1 shooting.

[0058] Display is fixed on support platform, and display is composed of main display and auxiliary display. Main display is connected with host computer by data line, for showing software control interface and the drawing of cultural relic disease graph. Auxiliary display is connected with HDMI signal switching device by data line, mainly for showing real-time high-definition image transmitted from imaging device, or showing cultural relic image processed from host computer software. So that the details of cultural relic can be more clearly shown.

[0059] In some embodiments, the three-axis moving mechanism includes: X-axis moving mechanism 3, Y-axis moving mechanism 4 and Z-axis moving mechanism 5;

[0060] The X-axis moving mechanism 3 is connected with support platform 6, and the support platform is used for fixing various devices, the Y-axis moving mechanism 4 is slidingly connected to the X-axis moving mechanism 3, and the Z-axis moving mechanism 5 is slidingly connected to the Y-axis moving mechanism 4;

[0061] The imaging device 1 is installed on the Z-axis moving mechanism;

[0062] The photostudio 2 and the light supplementing equipment are connected with the support platform 6.

[0063] In some embodiments, the control system comprises a motion controller, a host computer and a console;

[0064] The motion controller is connected to the zoom drive motor of the X-axis moving mechanism 3, the Y-axis moving mechanism 4 and the Z-axis moving mechanism 5 respectively, and the motion controller is connected to the host computer, and the host computer is connected to the imaging device 1;

[0065] The host computer is installed in the support table and is used to process the image taken by the imaging device 1;

[0066] The console is connected to the motion controller and the light supplementing device.

[0067] The zoom drive motor can change the imaging focus of the imaging device, so that the imaging device obtains the image of cultural relics at different focus positions.

[0068] The three-axis moving mechanism is realized by common motors and screw drives, for example, the X-axis transmission mechanism includes an X-axis motor, an X-axis screw, an X-axis slider and an X-axis sliding rail;

[0069] The X-axis motor is connected to the support table;

[0070] One end of the X-axis screw is connected to the output end of the X-axis motor, and the other end of the X-axis screw is rotatably connected to the mounting block, and the mounting block is connected to the support table;

[0071] The X-axis slider is sleeved on the X-axis screw, and one end of the Y-axis transmission mechanism is connected to the X-axis slider;

[0072] The two sides of the X-axis slider are connected to the X-axis sliding rail, and the X-axis sliding rail is connected to the support table;

[0073] The Y-axis moving mechanism and the Z-axis moving mechanism have the same structure as the Z-axis moving mechanism, which will not be described here, but the directions are different, which can be referred to the existing three coordinate axes.

[0074] The host computer is installed in the workbench. The host computer is connected to the imaging device and the motion controller through a data line, and is used to obtain the image of cultural relics from the imaging device, and process and edit the image, such as measurement, matting, background replacement and crack annotation.

[0075] In some embodiments, the light supplementing device comprises a first light supplementing assembly and a second light supplementing assembly;

[0076] The first light supplementing assembly is used to drive the light supplementing lamp connected thereto to rotate in a direction perpendicular to the horizontal direction;

[0077] The second light supplement assembly is used to drive the light supplement lamp connected thereto to rotate in a direction perpendicular to the longitudinal direction.

[0078] One end of the first light supplement assembly is connected to the support table, and the other end of the first light supplement assembly is connected to the second light supplement assembly.

[0079] In some embodiments, the first light supplement assembly comprises a first rotating rod 7, a first light supplement lamp 8, and a first motor 9.

[0080] The first rotating rod 7 is provided with two and is symmetrically arranged on both sides of the photographic studio 2.

[0081] One end of the first rotating rod 7 is connected with the first motor 9, and the first motor 9 is connected with the support table.

[0082] The second light supplement assembly comprises a second rotating rod 10, a second light supplement lamp 11, and a second motor 12.

[0083] The second rotating rod 10 is provided with two, and the second motor 12 is provided with two.

[0084] One end of the second rotating rod 10 is connected with the second motor 12, and the other end of the second rotating rod 10 is connected with a base, and the base is rotationally connected with the other end of the first rotating rod 7.

[0085] The shell of the second motor 12 is rotationally connected with the other end of the first rotating rod 7 through a mounting seat.

[0086] The other end of the second rotating rod 10 is connected with the second motor 12, the shell of the second motor 12 is connected with the support table, the other end of the second rotating rod 10 is connected with the support table through a support plate, and the two second rotating rods 10 are symmetrically arranged.

[0087] The first motor 9 and the second motor are connected with a motion controller.

[0088] Among them, two third light supplement lamps are further arranged on the top of the photographic studio, and six groups of light supplement lamps are composed of the first light supplement lamp and the second light supplement lamp, the number of light supplement lamps is not limited, and is set according to the demand, the six groups of light supplement lamps are adjusted in brightness according to the demand through the control console, and the light is uniform and without flicker.

[0089] The sub-display can display real-time high-definition images transmitted from the imaging device or processed cultural relic images transmitted from the host computer software by operating the HDMI switch button arranged on the console. The depth of field synthesis control group on the console is composed of three keys of "near focus point", "far focus point" and "superposition" and two knobs of "focus point coarse adjustment" and "focus point fine adjustment". The panoramic depth image of the cultural relic can be quickly obtained. There are six light adjusting knobs on the console, which can adjust the brightness of the six groups of fill light.

[0090] The HDMI signal switching device is composed of an HDMI switcher. The output end of the HDMI switcher is connected with the main display through a data line, and the output end is connected with the host computer and the imaging device through data lines respectively. The HDMI switcher switches the HDMI signals output by the imaging device and the HDMI signals output by the host computer and transmits them to the sub-display for display.

[0091] In some embodiments, a bracket 13 of n-type structure is further included for supporting the first fill light assembly and the second fill light assembly;

[0092] The bottom of the bracket 13 is connected with the support table;

[0093] A first motor 9 is arranged at the bottom of each side of the bracket 13. One end of a first rotating rod 7 is connected with the first motor 9, and the other end of the first rotating rod 7 is connected with the bracket 13 through a connecting plate. A space is left between the first rotating rod 7 and the bracket 13;

[0094] One second motor 12 is connected with one side of the top of the bracket 13. One end of a second rotating rod 10 is connected with the second motor 12, and the other end of the second rotating rod 10 is connected with the bracket 13 through a connecting plate. A space is left between the second rotating rod 10 and the bracket 13;

[0095] The other second motor 12 is connected with the bottom of one side of the bracket 13. One end of the other second rotating rod 10 is connected with the second motor 12, and the other end of the second rotating rod 10 is connected with the other bottom of the bracket 13 through a connecting plate.

[0096] In some embodiments, a background changing assembly is arranged in the photographic studio 2;

[0097] The background changing assembly includes a plurality of servo motors connected with the motion controller;

[0098] The servo motors are arranged at intervals and connected to one side of the top of the photographic studio 2, the output ends of the servo motors are provided with rotating shafts, the rotating shafts extend to the other side of the top of the photographic studio 2 and are rotationally connected to the photographic studio 2, and different colored background cloths are wound on the rotating shafts respectively.

[0099] The background cloth is composed of five sets of photographic cloth reels with different colors.

[0100] When the system is used, the background cloth with a proper color is selected, and the servo motor is controlled to lower the background cloth. The cultural relic is placed in the photographic studio in front of the workbench. The upper computer software is opened, the image of the cultural relic captured by the imaging device is transmitted to the upper computer software through the data line, and the image of the cultural relic is displayed in the upper computer software. The joystick connected to the control system is adjusted on the control console, the control console sends an instruction to the motion controller through the data line, and the motion controller controls the three-axis moving mechanism to drive the imaging device to move, so that the cultural relic is exactly in the middle of the image. According to the requirement, the three-axis moving mechanism is adjusted, so that the imaging device can shoot the image of the cultural relic at any angle. The brightness of the six groups of fill light lamps is adjusted through the six light adjusting knobs on the control console, so that the best fill light effect is obtained. The imaging focus of the imaging device is adjusted, so that the clear image of the cultural relic is obtained. The "focus" progress bar in the upper computer software is adjusted, or the mouse scroll wheel on the software display interface is rolled, the upper computer software sends an instruction to the motion controller, and the motion controller controls the zoom drive motor in the imaging device to rotate, so that the imaging focus of the imaging device is adjusted, and the image of the cultural relic is clearer. The imaging focus of the imaging device can also be adjusted through the coarse adjustment knob and the fine adjustment knob on the control console. The HDMI switch button on the control console is pressed, so that the secondary display can display the real-time high-definition image or the processed image of the cultural relic. The depth of field combination function is used, so that the panoramic clear image of the cultural relic is obtained. The measurement function is used, so that the actual length, circumference and area of the cultural relic can be measured in the upper computer software. The cultural relic image editing function is used, so that the image of the cultural relic can be quickly cut out, various disease diagrams can be annotated and the background can be replaced, and the image can be saved, which is convenient for later review and research.

[0101] The depth of field combination function implementation process: by adjusting the "focus" progress bar in the host computer software, the focusing instruction is sent to the motion controller, the motion controller controls the zoom drive motor to rotate, the imaging focus of the imaging device is on the front surface of the cultural relic, the "near focus" button in the software is clicked, the "focus" progress bar in the host computer software is adjusted, the imaging focus of the imaging device is on the back surface of the cultural relic, the "far focus" button in the software is clicked, and then the "superimposed shooting" button is clicked. The imaging device will collect multiple cultural relic images at different focus positions and transmit them to the host computer software. The host computer software will crop the clear part of each image, retain the feature points of the clear part, and then synthesize a panoramic and clear cultural relic image according to the feature points of the clear part of each image.

[0102] The measurement function implementation process: a ruler is placed beside the cultural relic, and the "calibration" button in the host computer software is clicked to pop up a calibration dialog box. The mouse right button is pressed at the position of the ruler in the software image, and then moved to another position of the ruler and released. The ruler scale value corresponding to the pressing and releasing of the mouse right button is checked, and the value is written into the popped-up dialog box, and the "confirm" button is clicked. The host computer software will calculate a scale value of the actual size and the image size. The host computer software can measure the actual length, circumference and area of any part of the cultural relic on the cultural relic image through the scale value.

[0103] The cultural relic image editing function: this function can automatically extract the cultural relic from the cultural relic image, replace the background of the cultural relic, and automatically generate the contour map of the cultural relic. It can be saved in JPG, PNG and other formats. The host computer software integrates dozens of cultural relic disease symbol icons, the main display is used for drawing, and the display has multiple scroll wheels and shortcut keys, reducing frequent keyboard and mouse operations. The scroll wheel and shortcut keys on the display can be used to quickly select the cultural relic disease symbol icon, and the drawing pen can be used to quickly draw the disease area on the cultural relic image. The cultural relic disease map can be saved in the host computer for later reference and research. Therefore, the drawing of the cultural relic disease map is very convenient, which greatly saves manpower and improves work efficiency.

[0104] It should be noted that the processing process of the image in the host computer software can be realized by the existing technology PS, and the above functions can be referred to the actual operation process of PS.

[0105] The above only describes the preferred embodiments of the present application, and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A system for photographing cultural relics, characterized in that, include: Three-axis moving mechanism; An imaging device is connected to a three-dimensional rotary table and a three-axis moving mechanism, which can drive the imaging device to move in the X-axis, Y-axis and Z-axis directions. A photography studio, which is located on one side of the three-axis moving mechanism; A supplementary lighting device, which is installed on one side of the photography studio, is used to adjust the lighting of items placed in the photography studio during shooting; A control system is connected to the three-axis moving mechanism and the supplementary lighting device, and is used to control the operation of the three-axis moving mechanism and the supplementary lighting device. A display, connected to the control system and the imaging device, is used to display images captured by the imaging device.

2. The cultural relic photography system according to claim 1, characterized in that, The three-axis moving mechanism includes: an X-axis moving mechanism, a Y-axis moving mechanism, and a Z-axis moving mechanism; The X-axis moving mechanism is connected to the support platform, the Y-axis moving mechanism is slidably connected to the X-axis moving mechanism, and the Z-axis moving mechanism is slidably connected to the Y-axis moving mechanism. The imaging device is mounted on the Z-axis moving mechanism; Both the photography studio and the lighting equipment are connected to the support platform.

3. The cultural relic photography system according to claim 2, characterized in that, The control system includes: a motion controller, a host computer, and a control console; The motion controller is connected to the zoom drive motors of the X-axis moving mechanism, Y-axis moving mechanism and Z-axis moving mechanism respectively, and the motion controller is connected to the host computer, and the host computer is connected to the imaging device. The host computer is installed inside the support platform and is used to process the images captured by the imaging device; The console is connected to the motion controller and the supplemental lighting device.

4. The cultural relic photography system according to claim 3, characterized in that, The supplemental lighting device includes: a first supplemental lighting component and a second supplemental lighting component; The first supplementary lighting component is used to drive the supplementary lighting connected to it to rotate perpendicular to the horizontal direction; The second supplementary lighting component is used to drive the supplementary light connected to it to rotate perpendicular to the longitudinal direction; One end of the first supplementary lighting component is connected to the support platform, and the other end of the first supplementary lighting component is connected to the second supplementary lighting component.

5. The cultural relic photography system according to claim 4, characterized in that, The first supplementary lighting component includes: a first rotating rod, a first supplementary light, and a first motor; There are two first rotating rods, which are symmetrically arranged on both sides of the photography studio; One end of each of the first rotating rods is connected to a first motor, and the first motor is connected to the support platform; The second supplementary lighting component includes: a second rotating rod, a second supplementary light, and a second motor; There are two second rotating rods and two second motors; One end of a second rotating rod is connected to a second motor, and the other end of the second rotating rod is connected to a base, the base being rotatably connected to the other end of one of the first rotating rods; The housing of the second motor rotates with the other end of the first rotating rod via a mounting base; One end of the other second rotating rod is connected to another second motor, the housing of the second motor is connected to the support platform, and the other end of the second rotating rod is connected to the support platform through a support plate. The two second rotating rods are arranged symmetrically. Both the first motor and the second motor are connected to the motion controller.

6. The cultural relic photography system according to claim 5, characterized in that, It also includes an n-shaped support structure for supporting the first and second supplementary lighting components; The bottom of the bracket is connected to the support platform; A first motor is provided at the bottom of both sides of the bracket. One end of the first rotating rod is connected to the first motor, and the other end of the first rotating rod is connected to the bracket through a connecting plate. A gap is left between the first rotating rod and the bracket. A second motor is connected to the top side of the bracket, one end of a second rotating rod is connected to the second motor, and the other end of the second rotating rod is connected to the bracket through a connecting plate. A gap is left between the second rotating rod and the bracket. Another second motor is connected to the bottom of one side of the bracket, one end of another second rotating rod is connected to the second motor, and the other end of the second rotating rod is connected to the bottom of the other side of the bracket via a connecting plate.

7. The cultural relic photography system according to claim 3, characterized in that, The photography studio is equipped with a background changing component; The background changing component includes multiple servo motors connected to the motion controller; The servo motors are spaced apart and connected to one side of the top of the photography studio. Each servo motor has a rotating shaft at its output end, which extends to the other side of the top of the photography studio and is rotatably connected to the studio. Different colored background cloths are wrapped around the rotating shafts.

Images