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2. Get a Home Theater Experience for Less with the Best Budget ...

   www.aol.com/upgrade-movie-night-cheap-best...

   Typically, manufacturers list this as a “throw ratio,” such as 1.5:1, which means that for every 1.5 feet away from the screen you place the projector, the image will display one foot wide ...

3. Review: The 9 Best Portable Projectors for Your Next Outdoor ...

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   With picks from Anker, Epson and Kodak, all you need is a blank wall and a couple of hours to spare.

4. The best portable projector I've ever used is down to a ... - AOL

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   "Elfin," indeed! This mini projector stands less than two inches high, but delivers crisp 1080p video and comes with Android 10.0 built in. (Photo: Xgimi)

5. 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.

6. The 10 Best Projectors of 2022 for Every Budget, Tested and ...

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7. Video projector - Wikipedia

   en.wikipedia.org/wiki/Video_projector

   A video projector is an image projector that receives a video signal and projects the corresponding image onto a projection screen using a lens system. Video projectors use a very bright ultra-high-performance lamp (a special mercury arc lamp ), Xenon arc lamp , metal halide lamp , LED or solid state blue, RB, RGB or fiber-optic lasers to ...