BenQ LW61ST, 2000 ANSI lumens, DLP, WXGA (1280x800), 2032 - 7620 mm (80 - 300"), 80000:1, 1.073 billion colours BenQ LW61ST. Projector brightness: 2000 ANSI lumens, Projection technology: DLP, Projector native resolution: WXGA (1280x800). Light source type: Laser, Service life of light source: 10000 h, Service life of light source (economic mode): 20000 h. Zoom ratio: Fixed, Offset: 110%. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 1280 x 800 (WXGA), 1600 x 1200 (UXGA), 640 x 480 (VGA), Supported video modes: 1080i, 1080p, 480i, 480p, 576i, 576p, 720p. Serial interface type: RS-232, USB connector type: Mini-USB A, Mini-USB B https://www.projectorreviews.com/benq/benq-lw61st-dlp-projectorreview-for-business-and-education/ First, the BenQ LW61ST (click for specs) uses a laser light engine, for extremely long life operation and lower operating costs. The light source is rated 20,000 hours (common for non-lamp light sources, but there are relatively few non-lamp proj... I do like just about everything about the BenQ LW61ST (click for specs) projector.  OK, I'm not thrilled about the up front price, but that's the trade-off with lamp free projectors such as this BenQ.  The overall package is impressive!This BenQ projector...