Epson PowerLite 1795F. Projector brightness: 3200 ANSI lumens, Projection technology: 3LCD, Projector native resolution: 1080p (1920x1080). Light source type: Lamp, Service life of light source: 4000 h, Service life of light source (economic mode): 7000 h. Focal length range: 14.06 - 16.82 mm, Aperture range (F-F): 1.58 - 1.7, Zoom type: Manual. Analog signal format system: NTSC, NTSC 4.43, PAL, PAL 60, PAL M, PAL N, SECAM. Noise level: 39 dB, Noise level (economic mode): 30 dB
Sony VPL-SW235. Projector brightness: 3000 ANSI lumens, Projection technology: 3LCD, Projector native resolution: WXGA (1280x800). Light source type: Lamp, Service life of light source: 6000 h, Service life of light source (economic mode): 10000 h. Focus: Manual, Throw ratio: 0.46:1. Analog signal format system: NTSC 3.58, NTSC 4.43, PAL, PAL M, PAL N, SECAM, Supported graphics resolutions: 1280 x 720 (HD 720), 1600 x 1200 (UXGA), 1920 x 1080 (HD 1080), 640 x 480 (VGA), Supported video modes: 1080i, 1080p, 480i, 480p, 576i, 576p, 720p. Serial interface type: RS-232, USB connector type: USB Type-A, USB Type-B
Viewsonic PS502X. Projector brightness: 4000 ANSI lumens, Projector native resolution: XGA (1024x768), Contrast ratio (typical): 15000:1. Light source type: Lamp, Service life of light source: 4000 h, Service life of light source (economic mode): 12000 h. Focus: Manual, Fixed focal length: 0.281" (7.15 mm), Digital zoom: 2x. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 640 x 480 (VGA), 1920 x 1080 (HD 1080), Supported video modes: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p. Serial interface type: RS-232, HDMI connector type: Full-size, Service port type: USB Type-A