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How to calculate the distance from the cinema projector to t
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With the improvement of people's living standard, more and more people begin to care about the spiritual and cultural life after work. Cinema is a good place for people to relax their tension. Modern cinema is to provide a comfortable environment for the audience, and more importantly, to enjoy the beautiful voice and high-quality pictures. Then, how to calculate the distance between the cinema projector and the screen? Let Guangzhou Fubang audio and video equipment and you to learn about it!
First of all, we need to do something about projectors and screens!
I. Requirements for projectors
1. The projection and broadcasting equipment of digital cinema should be broadcasted in the projection room.
2. The net depth of the projection room shall not be less than 2 meters; when the screen is over 8 meters, the net depth shall not be less than 2.5 meters.
3. The central height of the projection window is 1.25 meters.
4. The size of the inner door of the projection viewing port is 0.30 m and 0.60 m, and the size of the outer opening is enlarged to a trumpet shape, so that the light beam should not be blocked.
5. The projection ports should be 4 mm thick optical glass.
6. In addition to the part through which the light beam passes, the projection window glass should be covered with light shielding film to reduce the leakage of light from the computer room to the auditorium.
7. The height of the outside bottom edge of the projection hole from the floor of the auditorium below it should not be less than 1.9 meters.
8. The projector room should be equipped with a special projector cabinet for projectors and a special projector cabinet over 1.2 meters.
II. Requirements for projection screens
1. The format of digital film is: 2.35:1 (wide screen); 1.85:1 (shading); 1.78:1 (16:9 digital).
2. The width of the deformed wide screen should be no less than 4.5 meters.
3. The screen should have a solid metal screen frame and track, which can adjust the screen frame according to different films.
4. The wide screen should be curved horizontally and its curvature radius should be equal to twice the projection distance. When the screen width is less than 5 meters, the screen can be flat.
5. The distance from the screen to the wall behind the screen should not be less than 1.0 meters.
6. The screen frame, the back wall and the adjacent side wall should be black or dark, and the ceiling in front of the screen should be covered with low reflective material.
7. Screen measurement shall be based on white screen, excluding black screen edges.
Then, the distance from the cinema projector to the screen is calculated according to the following methods.
Calculating method of distance from projector to screen in cinema:
Screen width vs. door width = projection distance vs. lens focal length (door is the width of the window on the projector's sheet)
The distance from the projector to the screen= (screen width size * projection lens focal length size)
Above is the answer of how to calculate the distance between projector and screen in Guangzhou Fubang Film and Audio Equipment. I sincerely hope it will be helpful to you! For more information about cinema equipment, how to choose suitable projector and cinema safety knowledge, please contact Fubang Film and Audio Equipment in Guangzhou. Contact number: 400-166-2959
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400-166-2959
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3/ F, Fubang Building, No.149 West Ring Road, Panyu District, Guangzhou