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Category: Wireless Systems
Brand: ARRI
Code: UDM-1

On-Set Distance Measurement
The Ultrasonic Distance Measure UDM-1 measures the distance between film/sensor plane and objects by sending ultrasonic pulses and measuring the time they take to bounce back. It is compatible with any camera system.

Range Limits
The measuring range can be setup through the display unit that is part of the basic package. This allows exclusion of objects that are irrelevant for the focus pull and would deliver confusing values to the camera assistant.

System Integration
The UDM-1 comes with a display unit that indicates the measured values on a transflective screen. However, if connected to the Universal Motor Controller UMC-3A, measured values can also be displayed on the screens of Lens Data Display for Focus Puller (LDD-FP) and Wireless Compact Unit WCU-4. The LPP-FP even allows the focus motor to automatically drive to the measured distance value by the push of a button. ALEXA cameras will support UDM-1 from Software Update Package SUP 8.0, and measured values can be instantly displayed on any WCU-4 connected to an ALEXA camera.

Please use our configuration overviews for detailed sample configurations.

  • UDM-1

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