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Consumer Electronics by S. P. Bali

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CINE SCREENS

Glass-beaded screens are fairly expensive and need to be handled carefully as the surface is delicate. They are very directional and give a very bright image to those sitting near the projection beam. However, the brightness appears to diminish rapidly at wider angles, so this kind of screen is best suited to long rectangular rooms. There are two drawbacks; with some screens the glass beads are visible if viewed closely, and others can give a slightly unnatural, grainy look to colour film. The optimum viewing distance is about eight feet.

Matt white screens are not directional but the image is not particularly bright. Given the good light output of most modern projectors, they are perfectly satisfactory for home use, but it is essential ...

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