 | Grey front projection surface. HiDef Grey is designed with a low gain of 0.8 to meet the demands of today's high-output video projectors. The grey color enhances color contrast and black levels in the projected image and also allows for more ambient light in the audience area than traditional surfaces. 133" Diagonal, Aspect Ratio: 16:9, Screen Gain: 0.8, HiDef Grey Surface, 65" x 116" Viewing Area Number of Reviews: 0 | Ratings:  | Best deal: $1649 $1649 - $1975 from 2 stores. |