ARRI WCU-4 Integrated Wireless Lens Control System (Optional UMC-4 brain)

Integrated Wireless Lens Control System for Alexa Plus and available with UMC-4 option to provide universal compatibility for all cameras


Integrated ARRI Wireless Lens Control system dedicated for ARRI Alexa Plus, Alexa XT Plus and Alexa Mini, allowing wireless control of zoom, focus and iris. Requires 15mm or 19mm bar system.


Note that you can hire the ARRI UMC-4 brain/receiver to make this compatible with Alexa Classic or any other camera system.

The Arri Wireless Lens Control System WLCS – is an easy-to-use remote control system for camera lenses. A compact, modular system that can be expanded from simple zoom control to a complete remote-control system for zoom, focus and iris.  Uses CLM2/3 motors.

An important advantage of the system is the Lens Data Display can instantly show all respective data on a comfortable display e.g. the respective depth of field. Non LDS – lenses can be equipped with the Lens Data Mount to integrate with the system.

The system can only work natively with an ARRI Alexa Plus camera model unless the additional UMC-4 box is requested to make this universally compatible with all cameras.

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