BenQ MX528, 3300 ANSI lumens, DLP, XGA (1024x768), 13000:1, 4:3, 914.4 - 7620 mm (36 - 300") BenQ MX528. Projector brightness: 3300 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 4500 h, Service life of light source (economic mode): 10000 h. Focal length range: 21 - 23.1 mm, Aperture range (F-F): 2.56 - 2.8, Zoom ratio: 1.1:1. Analog signal format system: NTSC, PAL, SECAM, Supported 3D formats: Frame Sequential, Frame packing, Side by side, Top and bottom, Supported graphics resolutions: 640 x 480 (VGA), 1920 x 1200 (WUXGA). Serial interface type: RS-232