One of the most important parts of the projector is its lens; you need to keep the lens clean in order to enjoy your favorite ...

Light projectors designed around liquid crystal devices, or LCDs, are bright, fast, and reliable. LCD projectors have three different LCDs that each handle one color: red, green or blue. The projector ...

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Your lens determines image sharpness, throw ratio, aspect ratio and maximum picture size. Fixed lenses are cheap and portable; zoom adds size flexibility; lens shift eases placement. Protect and clean ...