Viewsonic PJ503D, 1500 ANSI lumens, DLP, SVGA (800x600), 2000:1, 37.5–150, 30 - 100 kHz Viewsonic PJ503D. Projector brightness: 1500 ANSI lumens, Projection technology: DLP, Projector native resolution: SVGA (800x600). Light source type: Lamp, Service life of light source: 3000 h, Lamp power: 160 W. Focus: Manual, Focal length range: 22.2 mm. Analog signal format system: NTSC 4.43, NTSC M, SECAM. Serial interface type: RS-232 If all you need is a simple projector for carrying from room-to-room for the odd PowerPoint presentation, ViewSonicfs DLP PJ503D will probably suit your needs. Its native resolution of 800x600 isnft very high, but itfs not very expensive. In fact, i...