The ICD-31 is a high-performance monochrome camera employing a 1/3" OCML (On Chip Micro Lens) to delivery high resolution and high sensitivity. With a horizontal resolution of 380 lines and minimum object illumination of 0.2 lux (f1.4). And at an affordable price level. It features and AESC function which provides optimum image reproduction even without the use of an auto iris lens. In addition the ICD-31 comes with BLC (Back Light Compensation) to ensure consistently stable image reproduction for situation where bright lighting from behind darkens subject. Its auto iris circuitry is selectable between VIDEO and DC iris. Furthermore the ICD-31 employs line lock with phase adjustment to permit multiple survellance cameras to be utilized through a single video switcher .