L CASE Y CASE R CASE F CASE Model BS-670 BS-670S BS-669 BS-666 BS-665 Pickup device 1/3-inch Sony CCD 1/3-inch Sharp CCD 1/4-inch Sony CCD 1/4-inch Sharp CCD 1/3-inch B/W Sony CCD Number of pixels PAL:512(H) X 582(V) NTSC:512(H) X 492(V) CCIR:512(H) X 582(V) EIA:512(H) X 492(V) System of signal PAL/NTSC CCIR/EIA Horizontal resolution 420TV Line 480TV Line Minimum illumination 0Lux/F1.2(IR Open) Lens mount Built-in 3.6(6/8/12)mm (Optional) Built-in 6(4/6/8/12)mm (Optional) Backlight compensation ON/OFF(Optional) Electronic shutter 1/50(1/60)~1/100,000sec AGC ON/OFF(Optional) White balance ON/OFF(Optional) S/N Ratio > 48dB Gamma correction > 0.45 Operation temperature -20~50(Centigrade) Sync system Internal Video output 1.0v p-p /75 Power consumption DC12V,<= 250mA Dimension(mm) 57(D) x 35(H)/L CASE 84(D) x 94(H)/Y CASE 108(D) x 75(H)/R CASE 123(D) x 80(H)/F CASE Weight(g) 150(g)/L CASE 250(g)/L CASE 180(g)/L CASE 230(g)/L CASE