A:Answer Hello, screen gain and color depends on personal preference. Gray Screen will yield better blacks in ambient light than a white screen.
If you have total control over the light in the room, a white screen is just fine. But if you will deal with ambient light, a gray screen is a better choice as it will help to maintain better black levels.
If this is your first projector, we recommend a gray screen with a gain of 1.2 or 1.4 (1.4 yields an image 1.4x brighter than the projected image -- same with 1.2 gain, image is 1.2x brighter than the projected image).
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