ARRI UMC-4 LDS Universal Motor Controller

ARRI UMC-4 LDS Universal Motor Controller

ARRI UMC-4 LDS Universal Motor Controller

B&H # ARUMC4LDS MFR # K2.0002058
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Product Highlights

  • Controls Up to 3 x Lens Motors
  • For ARRI & 3rd-Party Cameras
  • Records Lens Data with Timecode
  • Serial & Ethernet Interfaces
  • Optional Canon & Fuji Modules
  • Use with CLM-3/4/5 Motors
  • For WCU-4, SXU-1, ZMU-3A, Master Grips
  • Works with LDE-1, UDM-1, & WZE-3
  • Controls Focus / Iris / Zoom Functions
  • Water-Resistant Design, 2.4" Display
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  • 1Description

Use the versatile ARRI UMC-4 LDS Universal Motor Controller to remotely control focus, iris, and/or zoom, and to record lens metadata for post and VFX use. The UMC-4 Controller can govern up to three lens motors, and is compatible with WCU-4, SXU-1, Master Grip, and ARRI zoom controls. This controller is compatible with any ARRI or third-party pro camera, and with CLM-3/4/5 lens motors.

This standard version of the UMC-4 includes two serial ports; optional modules are available separately for linking the UMC-4 to Canon and Fuji focus/zoom controls. The UMC-4's internal timecode clock can be jam-synced, or it can be used to output LTC timecode.

The included SD card can be used for recording lens data and timecode, and for updating the controller's firmware. The UMC-4 motor controller features a 2.4" LCD display, a water-resistant design, and a durable, outdoor antenna.


Controls up to three CLM-3/4/5 lens motors for focus, iris, and/or zoom control
Works with ARRI and third-party cameras
Records lens data and timecode for post/VFX use; includes SD card for recording data, and for firmware updates
Compatible with WCU-4, SXU-1, Master Grips, and the ZMU-3A and WZE-3 zoom controls
Includes serial interface for connecting to UDM-1 distance measure or other peripheral devices; optional Canon and Fuji interfaces available separately
Durable, water-resistant design with 3/8"-16 mounting thread
1 x antenna
2 x serial interface
1 x ARRI LCS connector
1 x CAM connector
1 x LENS connector
1 x RS in
1 x Each: Focus/Iris/Zoom
1 x Ethernet
1 x SD card slot
1 x 3/8"-16 mounting thread
2 x M4 mounting points
Connectors 2 x 7-pin serial
1 x 5-pin LCS
1 x 12-pin CAM
3 x 12-pin motor
1 x RS input
1 x TC in/out
Receiver Channel 8 x Channels: 2.410 to 2.475 GHz
Supply Voltage 9.5 to 34 VDC
Current Consumption Radio On/Ready:
135 mAh at 12 V
70 mAh at 24 V
Mounting Thread 3/8"-16
Operating Temperature -4 to 122°F (-20 to 50°C)
Dimensions (WxDxH) Without Antenna: 4.2 x 1.5 x 3.9" (107.7 x 38.5 x 98 mm)
With Antenna: 4.2 x 1.5 x 6.1" (107.7 x 38.5 x 153.9 mm)
Weight With Antenna: 15 oz (428 g)
Packaging Info
Package Weight 1.65 lb
Box Dimensions (LxWxH) 9.9 x 6.5 x 2.8"
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