The lens's (zoom), focus, and iris positions can be easily adjusted by sending power and commands to the lens from a PC via USB. A single USB cable connects the lens to a PC. The maximum cable. The Focus/Zoom Module v3 enables precise and smooth focus and zoom control through lens mapping, motorized automation, and app integration. Here's your complete guide to setting it up and using it effectively. Allows Poly Lens to retrieve and display data about your devices and rooms from Zoom Device Management.