What is a film projector?
Film projector is a mechanical device used to display movies. Projectors transmit film images from the role of film to a nearby screen or on another sightseeing surface. Film projectors can range from simple models used in the home to more complex units found in theaters and other commercial devices.
There are four basic parts that consist of an average film projector. They include the inclusion, lamp system, lens and audio system. While each of these systems consists of multiple parts and processes, almost any film can only be displayed using these four systems. When the coil turns, it transmits the film to the role of the second coil. Between two coils, each film frame is suspended in a fraction of a second. This pause is timed so that the image freezes because it is concentrated in front of a clear lamp that projected the Through light with a picture and a screen transmission. Before the picture leaves the projector, it passes through the lens that enlarges the picture to several times its originalsize.
Most projectors also include a built -in audio system that transmits the sound from the movie to nearby speakers. The sound part of the film scene often achieves a projector a few shots in front of the visual part of the scene. This causes the sound to reach the ears at the same time as the corresponding image reaches the eyes. The sound must be introduced soon due to the relative difference in speed between sound waves and light.
The film projector is available in different sizes based on the type of film that can adapt. The 8mm film projector is a standard model used for old home movies, while "Super 8" is a slightly better version of the original 8 mm. The 16 mm film projector is located in Many educational equipment and produces a slightly improved image compared to the 8 mm model. Most of the film images are displayed using 35 mm projectors that produce some of the highest available images.
inA number of film projectors are used in combination with projection screens. These screens often have a light -colored reflective surface that represents the best possible image quality. They can also be covered with aluminum or other minerals to increase reflectivity and contrast.