Viewsonic PJ513D, 2200 ANSI lumens, DLP, SXGA (1280x1024), 2000:1, 30 - 70 kHz, 50 - 87 Hz Viewsonic PJ513D. Projector brightness: 2200 ANSI lumens, Projection technology: DLP, Projector native resolution: SXGA (1280x1024). Light source type: Lamp, Service life of light source: 2000 h, Service life of light source (economic mode): 3000 h. Focus: Manual. Serial interface type: RS-232. Market positioning: Portable ViewSonics PJ513D/DB is a very fair projector for the price. For presentations, big-screen computing and game playing its good value for money. It gives a bright picture and has most of the sockets and controls its target customers will need. It can...