型号/MODEL NO SN-990 成像器件Pick-up device 1/3-inch Sony CCD image sensor 图象像素/Number of pixels PAL;725(H×582(V NTSC:768(H×494(V 信号制式/System of signal NTSC/PAL 水平解像Horizontal resolution 520TVLine xx照度/Minimum.illumination 0.01Lux/ 信噪比/S/N Ration 52dB 电子快门/Electronic shutter 1/50(1/60)s~1/100,000s 光圈驱动方式/Iris control VIDEO/D 伽玛校正/Gamma characteristic 0.45 增益控制/Auto gain control On/Off(Switchable 白平衡/White balance On/Off(Switchable) 逆光补偿Backlight compensation On/Off(Switchable) 同步方式/Sync system 内同步Internal syn 视频输出/Video output 1.0Vp-pat75Ω 工作温度/Operation temperature -20℃~50℃ 电源/Power supply DC12V150mA/AC24V, 120mA/AC220V,10mA 尺寸/Dimensios(mm) 60(L)×52(W) ×118(H)