Viewsonic Pro8450w, 4500 ANSI lumens, DLP, WXGA (1280x800), 2000:1, 762 - 7620 mm (30 - 300"), 1.2 - 10 m Viewsonic Pro8450w. Projector brightness: 4500 ANSI lumens, Projection technology: DLP, Projector native resolution: WXGA (1280x800). Light source type: Lamp, Service life of light source: 5000 h, Service life of light source (economic mode): 4000 h. Focus: Manual, Zoom type: Manual, Optical zoom: 1.5x. Analog signal format system: NTSC, PAL, SECAM. Serial interface type: RS-232 http://www.techradar.com/reviews/audio-visual/projectors/viewsonic-pro8450w-1031803/review One of the biggest draws of the new breed of 3D technology is also one of its biggest drawbacks: choice. Do you go for passive 3D TVs that just need plastic 3D glasses like those at the cinema, or do you opt for a TV that uses the more costly active sh... Good image quality, Connections, 3D compatible No 3D processor included, A bit noisy, 4500 Lumens might be too bright for normal home cinema use