Movie projector
The film projector is an optical and mechanical cinema projection device that is responsible for projecting the image onto a projection screen. The film is composed of a light box, an optical system, a transmission system and a transmission device, a film cartridge, etc. The film is run on a projector, and each frame is momentarily stopped through the window when the light is transmitted through the projection light, Magnified to the screen; due to the visual role of the human eye, the rapid transformation of the screen, so that the audience access to the visual effects of activities. In addition to sound and lighting, the rest are similar with the camera. ...