... is the latest 540 line high-definition meeting camera, equipped with 18 times of high quality optical zoom camera, with wide dynamic, circadian ... is the latest 540 line high-definition meeting camera, equipped with 18 times of high quality optical zoom camera, with wide dynamic, circadian ... -angle)73.8 mmm (telephoto), F3.0 F1.4 gymnasticsHorizontal view Angle 2.7 ° (wide-angle) to 48 ° (telephoto) ...