Epson EB-4950WU, 4500 ANSI lumens, 3LCD, WUXGA (1920x1200), 5000:1, 16:10, 50 - 300" Epson EB-4950WU. Projector brightness: 4500 ANSI lumens, Projection technology: 3LCD, Projector native resolution: WUXGA (1920x1200). Light source type: Lamp, Service life of light source: 4000 h, Service life of light source (economic mode): 6000 h. Focus: Manual, Focal length range: 21.28 - 37.94 mm, Aperture range (F-F): 1.65 - 2.55. Video processing: 10 bit. Serial interface type: RS-232