Native Resolution WXGA (1280 x 800); Brightness - ANSI Lumens 3,600 standard, 2,880 economy ; Projection Lens F = 2.8, f = 7.51mm, manual focus; Projection Screen Size 36" (91cm) 300" (762cm); Projection Distance 1.3' (0.4m) 11.0' (3.4m) Throw Ratio 87" @ 98cm (0.52); Contrast Ratio: 20,000:1; White Chasis