WCU-4 Focus, Iris & Zoom Unit (3 motors)

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The Wireless Compact Unit WCU-4 is a lightweight, ergonomic hand unit offering up to 3-axis lens control. Rugged and splash-proof, it features an easy-to-read lens data display, lens mapping to pre-marked focus rings and focus tracking, for example of the slate at the beginning of a shot.


  • Focus tracking function
  • Ergonomic 3-axis lens control
  • Remote REC and tally
  • Personalized settings
  • Playback function
  • Vibrating markers
  • ARRI camera remote control
  • Lens programming interface
  • Backlit focus knob with adjustable friction
  • Easy-to-read lens data display
  • Lens mapping to pre-marked focus rings


Camera remote control functionality for ALEXA Mini LF, ALEXA Mini, AMIRA when used with the UMC-4 motor controller or cforce mini RF, ALEXA Plus, XT Plus, Studio, XT Studio, SXTW Plus and 65.