BenQ MX766, 4000 ANSI lumens, DLP, XGA (1024x768), 13000:1, 4:3, 40 - 300" BenQ MX766. Projector brightness: 4000 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 2500 h, Service life of light source (economic mode): 3000 h. Focal length range: 20.7 - 31.13 mm, Aperture range (F-F): 2.42 - 2.98, Zoom ratio: 1.5:1. Analog signal format system: NTSC, PAL, SECAM, 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/article2/0,2817,2427449,00.asp With its 4,000-lumen rating, the DLP-based BenQ MX766 ($2,199 list) is obviously designed to throw an image that's big enough for a mid- to large-size conference room or classroom and bright enough to stand up to ambient light. It also delivers reasonably... Bright, with a 4,000-lumen rating, and reasonably portable. 1.5x zoom lens. Scores well for data image quality. Rainbow artifacts limit usefulness for video. Sound suitable for only a small room or a little larger The BenQ MX766 projector delivers more than acceptable data image quality, with a bright enough image to stand up to ambient light in a mid- to large-size conference room....