BenQ MW621ST, 3000 ANSI lumens, DLP, WXGA (1280x800), 13000:1, 16:10, 762 - 7620 mm (30 - 300") BenQ MW621ST. Projector brightness: 3000 ANSI lumens, Projection technology: DLP, Projector native resolution: WXGA (1280x800). Light source type: Lamp, Service life of light source: 4500 h, Service life of light source (economic mode): 10000 h. Focal length range: 10.2 - 12.24 mm, Aperture range (F-F): 2.6 - 2.78, Zoom ratio: 1.2:1. 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: USB Type-A https://www.pcmag.com/review/321959/benq-mw621st The BenQ MW621ST ($695), a short-throw data projector for a conference room or classroom, offers good brightness and resolution, power-saving features, 3D capability, and optional Wi-Fi connectivity. The MW621ST's$629.00 at Amazon image quality for both d... Long lamp life and power-saving features. Short throw. Strong audio. Compatible with Android devices. 3D ready. Subpar data-image quality. Text blurred at smaller sizes. Rainbow effect in video The BenQ MW621ST projector offers a short throw, a strong audio system, and 3D capabilities, but both its data image and video quality are unimpressiive....