model no. | sc709 | sd709 | sb709 | signal system | pal/ntsc | pal/ntsc | pal/ntsc | image device | 1/3” sony super had ccd | 1/4” sony super had ccd | 1/4” sharp color ccd | effective pixel | nominal pixel count in total: ntsc: 270k pal: 320k | effective pixel: ntsc: 510(h)×492(v) pal: 500(h)×582(v) | synchronous mode | internal | horizontal resolution | 420 tv lines (normal resolution) | gain control | on/off se-lectable | video output | 1vp-p 75 ohm | gamma characteristic | 0.45 | electronic shutter | ntsc: (1/60~1/100,000 sec), pal: (1/50~1/100,000 sec) | minimum illumination | 0.8 lux (f: 1.2) | 0.8 lux (f: 1.2) | 1.0 lux (f: 1.2)) | s/n ratio | ≥48db (agc off) | white balance | auto tracking white balance (2500° k-9500°k) | backlight compensation | on/off se-lectable | operating temperature | -10°c~50°c | power supply | dc12v ± 1.2vdc | power consumption | dc12v 120ma | dc12v 100ma | dc12v 75ma | lens options | 3.6 mm, 6.0mm, 8.0mm | measurement | 140l x 90h (mm) | |