• Compact Motor Controller
  • Multiple Mounting points: 3/8", M4
  • RX/TX Switch: Operates as receiver or transmitter
  • ARRI UDM-1, Cine RT, Cine Tape Measure support


The small and compact OCU-1 allows camera operators to quickly take control of any lens function, even when lens motors are attached. With it, operators can override and reclaim focus, zoom, and iris controls from the Hi-5 and WCU-4, at the touch of a button.

  • Small, soild, lightweight.
  • Three assignable user buttons.
  • Control of focus, iris, or zoom.
  • Override the Hi-5 and WCU-4 hand Unit.
  • Control EF Lenses without motors.
  • Flexible mounting options.


Technical data


Transmissive TFT-LCD Display

0.96" diagonal


150 g / 5.29 oz


2x LBUS (4pin Lemo)

1x CAM (7pin Lemo)

1x SERIAL (4pin Lemo)

1x USB-C

1x Radio Module Interface

Supply Voltage:

10.5 V – 34.0 V DC

Power Consumption:

1 W (RIA‑1 body)

1.4 W (RIA‑1 body with RF-EMIP)

2.5 W (RIA‑1 body with RF-2400)

2 W (RIA‑1 body with RF-900)

3 W (RIA‑1 body with RF-900 high)

Operating Temperature:

-20°C to +50°C (-4°F to +122°F)

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