ZMU-4 Zoom Controller
The ZMU-4 is a weatherproof, professional handheld transmitter for wireless and wired zoom control of lens motors. For wired use, the ZMU-4 has an LBUS connector with daisy chain support to connect ARRI C-force motors, L-Cubes or the RIA. In addition, there is a CAM(7p) output that can control Rec/Stop and internal functions of ARRI