Epson PowerLite D6155W Widescreen Business Projector (WXGA Resolution 1280x800) (V11H396020) Projection System: Epson 3LCD, 3-chip technology Projection Method: Front / rear / ceiling mount Driving Method: Epson Poly-silicon TFT Active Matrix Pixel Number: 1,024,000 pixel (1280 x 800) x 3 LCDs Color Brightness 3500 lumens Aspect Ratio: 16:10 Native Resolution: 1280 x 800 (WXGA) Lamp Type: 275 W UHE E-TORL Lamp Life: ECO mode: Up to 4000 Hours Normal mode: Up to 3000 Hours 13.5 MHz to 162 Mhz (up to UXGA 60 Hz) Horizontal 15 KHz to 92 Khz Vertical 50 Hz to 85 Hz Throw Ratio Range: 1.38 -2.24 Size (projected distance): 29" -280" Keystone Correction: Horizontal: 30 degrees (Manual) Vertical: 30 degrees (Manual) Contrast Ratio: Up to 2000:1 Color Reproduction: 16.7 million colors Type: Powered focus / Manual zoom F-number: 1.51 -1.99 Focal Length: 18.2 -29.2 mm Zoom Ratio: Optical zoom 1.0 -1.6 Input Signal: NTSC / NTSC4.43 / PAL / M-PAL / N-PAL / PAL60 / SECAM 480i, 576i, 480p, 576p, 720p, 1080i, 1080p