Formulated with an extremely wide viewing angle and excellent white field uniformity, the HD Progressive 0.6 screen fabric is ideal for applications where projector brightness and screen size require low gain. The light grey surface offers true color reproduction and excellent depth of modulation. Endorsed by Joe Kane Productions, HD Progressive 0.6 was formulated specifically for ultra high definition projection devices. HD Progressive is part of Da-Lite's JKP Affinity line of projection screens. Gain = 0.6, Half Angle = 85 degrees.