Model BS-853D BS-853A BS-853F BS-853A Pickup device 1/3-inch Sony CCD 1/3-inch Sony CCD 1/4-inch Sony CCD 1/4-inch Sharp CCD Number of pixels PAL:752(H) X 582(V) NTSC:768(H) X 492(V) PAL:512(H) X 582(V) NTSC:512(H) X 492(V) System of signal PAL/NTSC Horizontal resolution 520TV Lines 420TV Lines Minimum illumination 0Lux/F1.2(IR Open) Lens mount Built-in 6(4/8/12)mm (Optional) Backlight compensation Auto Electronic shutter 1/50(1/60)~1/100,000sec AGC Auto White balance Auto S/N Ratio > 48dB Gamma correction > 0.45 Operation temperature -20degree~50degree Sync system Internal Video output 1.0v p-p /75 ohm Power consumption DC12V,<= 750mA Dimension(mm) 130(L) x 66(W) x 70(H) Weight(g) 500g