The zoom function on an NEC projector controls the size of the image. The diagonal image size can vary from 20 inches to 300 inches, depending on the projector's distance from the screen. The focus ...
You're wasting your investment in a projector unless you point it at a good screen. Here's how to pick the best one for your needs. Most of my current work for PCMag is about printers and projectors, ...
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