ZMU-4
Flexible connectivity and control
A modern take on the classic zoom control.
Rugged, weather-resistant and ergonomically designed, the ZMU-4 seamlessly transitions between wired and wireless configurations. Its unprecedented connectivity enables versatile, clutter-free camera builds and faster on-set workflows.

Technical data
| Joystick: | Force sensitive joystick |
| Display: | Transflective TFT-LCD Display (readable in bright sunlight) 0.96“ diagonal |
| Interfaces: | – 1x LBUS (LEMO 4pin) for lens motors, daisy chainable; supports LBUS protocol, LCS protocol (for ALEXA cameras) and EXT protocol (for AMIRA cameras)
– 1x CAM (LEMO 7-pin) for camera control – 1x USB-C for software updates – 1x ARRI Radio Module Interface – 1x Battery Interface |
| Mounting points: | 2x interfaces for ARRI Rossette |
| Operating temperature: | -20° to +50°C
-4° to +122°F |
| Weight: | – 360 g / 0.79 lbs (ZMU‑4 body)
– 476 g / 1.05 lbs (ZMU‑4 body with battery) – 526 g / 1.16 lbs (ZMU‑4 body with battery and RF-EMIP or RF-2400) – 556 G / 1.23 LBS (ZMU‑4 body with battery and RF-900) |
| Power Supply: | Powered externally:
– Power via LBUS interface – Power via CAM interface Powered by battery: – ARRI LBP-3500 battery pack – NP-F550 battery (Sony) or compatible batteries |
| External Power Supply | 10.5 – 34 V DC |
| Power Consumption Typ (W) | – 1 W (ZMU‑4 body)
– 1.4 W (ZMU‑4 body with RF-EMIP) – 2.3 W (ZMU‑4 body with RF-2400) – 3 W (ZMU‑4 body with RF-900) |
| Measurement (L x W x H) | – 66 x 43 x 215 mm / 2.6 x 1.69 x 8.46″ (ZMU‑4 body)
– 66 x 45 x 277 mm / 2.6 x 1.77 x 10.91″ (ZMU‑4 body with RF-EMIP or RF-2400) – 66 x 45 x 414 mm / 2.6 x 1.77 x 16.3″ (ZMU‑4 body with RF-900) |
Call us on 0141 4202053 to discuss your job or use the contact page to email us.












