Arri OCU-1 Unit

The OCU-1 allows control of EF lenses mounted on ALEXA Mini and AMIRA cameras without additional external motors. Small, lightweight and easy to use, it has the same control wheel and display and LBUS integration as the ARRI Master Grips. With its flexible mounting options, it can be easily mounted on common 15mm or 19mm rods, an ARRI rosette or 3/8″ mounts. The wheel can also be used to control the roll axis of the ARRI SRH-3 Remote Stabilized Head.

  • Single-axis focus, iris and zoom control
  • Requires the use of the WCU-4 wireless controller
  • Allows operator to assume control of the lens
  • Returns control to optional WCU-4

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Arri OCU-1 Specifications

  • Connectors:2x LBUS
  • Supply voltage: 10.5 – 34 V
  • Power consumption: 55mA @ 24V
  • Operating Temperature: -20 °C to +45 °C / -4 °F to 113 °F
  • Size and weight without OCU-1 rosette bracket: 44 x 65.30 mm / 165.51 g
  • Compatible with: Alexa, AMIRA, ALEXA Mini, SMC-1, EMC-1, AMC-1, SRH-3 stabilized remote head, Sony/Red/Canon, Blackmagic (LANC) via CUB-1, ENG Lens via CUB-2.
  • Software Upgrade Devices: WCU-4, UMC-1, AMC-1, AMIRA, ALEXA Mini


Arri OCU-1 Features

  • Override function
  • EF Lens Control
  • Small, rugged and lightweight.
  • Flexible mounting options
  • SRH-3 Remote Stabilized Head Compatibility
  • Splashproof and dustproof aluminum housing
  • Robust mechanical and electrical interfaces

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