Optoma HD28DSE 1920 x 1080 3000 lumens Projector 30,000:1 Cabinet Color: White Aspect Ratio: 16.9 (Native), 16:10, 4:3, LBX, Auto Contrast Ratio: 30,000:1 Display Size: 41.8~305 f Number: 2.5-2.67 Focal Length: 21.9-24 mm Throw Ratio: 1.48~1.62 D/W (±5% variance) Display Colors: 1.07 Billion |