projector BenQ SP840[13 Jan. 2011, 2:35:22]
Projection System DLP® technology by Texas Instruments®
Native Resolution 1080p ( 1920 x 1080)
Brightness* 4000 ANSI lumens
Contrast Ratio 3000: 1 ( Full on/ Full off)
Keystone Manual Vertical ± 30°
Aspect Ratio 16: 9 Native, 5 modes Selectable
Color Full 1.07 billion color palette
Lens F= 2.50-2.76, f= 23.5mm-28.2mm
Zoom Ratio Manual Zoom, 1.20: 1
Image Size ( Diagonal) 24â to 300â
Throw Ratio 1.60-1.92 ( 56" @ 2m)
Lamp* * 300W, 2000/ 3000 hours ( Normal/ Economic mode)
Computer Compatibility VGA( 640 x 480) to WUXGA( 1920 x 1200)
HDTV Compatibility 480i, 480p, 576i, 576p, 720p, 1080i, 1080p/ 60/ 50/ 30/ 25/ 24
Video Compatibility NTSC, PAL, SECAM
Horizontal Frequency 31-90 kHz