云台系统除了控制摄像头的俯仰和水平运动控制外，通常还要控制电子镜头(安装于摄像头前端、电机控制的光学镜头)的聚焦、光圈和变倍等，以便调整视野范围和清晰度。-PTZ camera control system, apart from the pitch and level of movement control, often have to control the electronic lens (camera mounted on the front end, motor control of