《荒漠化公约》Varifocal镜头4-9毫米口径的圆顶的监控摄像机

CCD Varifocal lens 4-9mm Dome CCTV CameraThis HIGH RESOLUTION surveillance camera series is designed to suit versatile security demand with the HIGH QUALITY PERFORMANCEBuilt-in infrared LED, may work under zero degree of illumination environment4-9mm Vari-focal Manual Iris IR LensNew special housing design, External lens adjustmentLens focus and zoom are adjusted from outside by the button back of the cameraThe infrared project distance is between 20 50 meters (60 150ft)Automatic backlight compensatory functionAutomatic tracking white balanceColor: brownAluminum Alloy Housing560 TV Line Specifications: Image Sensor 1/3" SONY Super HAD Color CCD Number of Pixels NTSC: 768(H)x494(V) & PAL:752(H)x582(V) System of Signal NTSC / PAL Horizontal Resolution 560TV Lines Minimum Illumination 0.1Lux / F 1.2 Lens 4-9mmInfrared 36 IR LEDs Auto Electronic Shutter 1/60 1/100,000sec White Balance Auto S/N Ratio >0.48db Gamma Correction >0.45 Operation Temperature -20C,+50CSync System Internal Video Output 1.2Vp-p/75 Power Source Supply DC12V > 300mA Backlight compensation ON/OFF (Optional) LUX 0.1 Auto Iris A.E.S