Epson Pro G7100, 6500 ANSI lumens, 3LCD, XGA (1024x768), 50000:1, 4:3, 4:3, 16:10, 16:9 Epson Pro G7100. Projector brightness: 6500 ANSI lumens, Projection technology: 3LCD, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 3000 h, Service life of light source (economic mode): 4000 h. Focal length range: 24 - 38.2 mm, Aperture range (F-F): 1.7 - 2.3, Optical zoom: 1.6x. Analog signal format system: NTSC, PAL, PAL 4.43, PAL M, PAL N, SECAM, Supported graphics resolutions: 640 x 480 (VGA), 800 x 600 (SVGA), 1280 x 1024 (SXGA). Serial interface type: RS-232