model no. | sharp32a | sharp38a | sharp2226a | | tv system | pal/ntsc | pal/ntsc | pal/ntsc | | image device | 1/4” sharp | 1/4” sharp | 1/4” sharp | | 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 | auto gain control | 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 | 1.0 lux (f: 1.2) | 1.0 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 | lens | 3.6mm, 6mm, 8mm lens optional | operating temperature | -10°c~50°c | power supply | dc12v ± 1.2vdc | power consumption | dc12v 75ma | dc12v 75ma | dc12v 75ma | measurement | 32*32(mm) | 38*38(mm) | 22*26(mm) | |