The UDM-1 measures the distance between the sensor/film plane and the subject or object with ultrasonic pulses. Focus tracking is enabled when using the UDM-1 with an ALEXA Plus/Studio and the UMC-4 controller. The UDM Display unit shows the distance data on an LCD screen.
ARRI UDM-1 Ultrasonic Distance Measure
The UDM-1 measures the distance between the sensor/film plane and the subject or object with ultrasonic pulses. Focus tracking is enabled when using the UDM-1 with an ALEXA Plus/Studio and the UMC-4 controller. The UDM Display unit shows the distance data on an LCD screen.
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