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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.
This can sometimes take the form of placing self-adhesive cues on the film print in the desired location (e.g. when you want the house lights to be dimmed), which are then detected by an optical reader in the projector's film path. Cleaning the surfaces in the projector's film path that come into contact with or proximity to the film surface.
That price puts the Go Advanced in line with the Xgimi Elfin, another portable 1080p projector.But there's one key difference: The latter requires AC power; the Wemax can run for up to 90 minutes ...
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.
A more expensive home cinema set-up might include a Blu-ray disc player, home theater PC (HTPC) computer or digital media receiver streaming devices with a 10-foot user interface, a high-definition video projector and projection screen with over 100-inch (8.3 ft; 2.5 m) diagonal screen size (or a large flatscreen HDTV), and a several-hundred ...
"We used overhead projectors and color wheels, strobes, clock faces, and dishes in various sizes. We mixed dyes, liquids, and oils and manipulated them. We used as many as a dozen carousel slide projectors or other slide projectors and as many as five movie projectors that would run either reels or loops.
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