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2. Movie projector - Wikipedia

   en.wikipedia.org/wiki/Movie_projector

   Simulation of a spinning zoopraxiscope An early projector and seats from a movie theater. The main precursor to the movie projector was the magic lantern.In its most common setup it had a concave mirror behind a light source to help direct as much light as possible through a painted glass picture slide and a lens, out of the lantern onto a screen.

3. Digital cinema - Wikipedia

   en.wikipedia.org/wiki/Digital_cinema

   A theater can purchase a film projector for as little as $10,000 [70] (though projectors intended for commercial cinemas cost two to three times that; to which must be added the cost of a long-play system, which also costs around $10,000, making a total of around $30,000–$40,000) from which they could expect an average life of 30–40 years.

4. Projector - Wikipedia

   en.wikipedia.org/wiki/Projector

   A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. Most projectors create an image by shining a light through a small transparent lens , but some newer types of projectors can project the image directly, by using lasers .

5. Projection screen - Wikipedia

   en.wikipedia.org/wiki/Projection_screen

   Projection screen in a movie theater Home theater projection screen displaying a high-definition television image. A projection screen is an installation consisting of a surface and a support structure used for displaying a projected image for the view of an audience.

6. Digital light processing - Wikipedia

   en.wikipedia.org/wiki/Digital_Light_Processing

   A three-chip DLP projector uses a prism to split light from the lamp, and each primary color of light is then routed to its own DMD chip, then recombined and routed out through the lens. Three chip systems are found in higher-end home theater projectors, large venue projectors and DLP Cinema projection systems found in digital movie theaters.

7. Make Your Own At-Home Movie Theater With These Projectors - AOL

   www.aol.com/news/own-home-movie-theater...

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