Viewsonic PJD6211, 2300 ANSI lumens, DLP, XGA (1024x768), 2000:1, 16.78 million colours, Lamp Viewsonic PJD6211. Projector brightness: 2300 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 4000 h, Service life of light source (economic mode): 5000 h. Focus: Manual. Serial interface type: RS-232. Noise level: 31 dB http://www.computeractive.co.uk/ca/review/1909911/viewsonic-pjd6211-dlp-projector The Viewsonic PJD6211 is the first projector we have seen that’s able to bring 3D images into the home.Currently all the rage among manufacturers, 3D technology allows the viewer to see a ‘virtual’ three-dimensional image on a flat surface by wearing a... Works in 3D from computers; good picture quality, No HDMI socket; no 3D support for Bluray; nonwidescreen aspect ratio Good quality, good value projector, but not great for home use... http://www.computeractive.co.uk/ca/review/1909911/viewsonic-pjd6211-dlp-projector The Viewsonic PJD6211 is the first projector we have seen that’s able to bring 3D images into the home.Currently all the rage among manufacturers, 3D technology allows the viewer to see a ‘virtual’ three-dimensional image on a flat surface by wearing a... Works in 3D from computers; good picture quality No HDMI socket; no 3D support for Blu-ray; non-widescreen aspect ratio Good quality, good value projector, but not great for home use Good points Works in 3D from computers; good picture quality Bad points No HDMI socket; no 3D support for Blu-ray; non-widescreen aspect ratio ... https://www.techradar.com/reviews/pc-mac/monitors-and-projectors/data-projectors/viewsonic-pjd6211-686633/review The Viewsonic PJD6211 is the most cost-effective data projector here. It takes the standard design route for a DLP device, being a squat device that sits length-wise with the lens fixed at one end and a large vent along the front. It's quite compact bu... Value for money Not the best picture, No digital HD inputs Viewsonic's projector offers decent value for money, but just isn't that impressive...