Epson PowerLite 1780W. Projector brightness: 3000 ANSI lumens, Projection technology: 3LCD, Projector native resolution: WXGA (1280x800). Light source type: Lamp, Service life of light source: 4000 h, Service life of light source (economic mode): 7000 h. Focus: Motorized, Focal length range: 13.52 - 16.22 mm, Aperture range (F-F): 1.58 - 1.7. Analog signal format system: NTSC, NTSC 4.43, PAL 60, PAL M, PAL N, SECAM. Noise level: 39 dB, Noise level (economic mode): 30 dB
Epson PowerLite W49. Projector brightness: 3800 ANSI lumens, Projection technology: 3LCD, Projector native resolution: WXGA (1280x800). Light source type: Lamp, Service life of light source: 8000 h, Service life of light source (economic mode): 17000 h. Focus: Manual, Focal length range: 16.9 - 20.28 mm, Aperture range (F-F): 1.49 - 1.72. Analog signal format system: NTSC, NTSC 4.43, PAL, PAL 60, PAL M, PAL N, SECAM, Supported graphics resolutions: 640 x 480 (VGA), 800 x 600 (SVGA), 1280 x 1024 (SXGA), 1280 x 960, 1366 x 768, 1400 x 1050.... Wi-Fi standards: 802.11b, 802.11g, Wi-Fi 4 (802.11n)