... latest 540 line high-definition meeting camera, equipped with 18 times of high quality optical zoom camera, with wide dynamic, circadian conversion, ... latest 540 line high-definition meeting camera, equipped with 18 times of high quality optical zoom camera, with wide dynamic, circadian conversion, ... (H) x582 (V)Horizontal resolution 540TVLLens 18x (Zoom) F = 4.1 mm (wide-angle)73.8 mmm (telephoto), ...