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Preston MDR-3 Motor Driver for FI+Z System

Preston Cinema Systems
Abel Code: PR-4110
Mfr. Code: 4110
Estimated to Ship – 5-10 Business Days
Special Order Only
This is a special order item. You will be charged upon placing your order, which is non-cancelable and non-returnable.
The Preston MDR-3 motor driver provides RX function, motor control and motor power for the Preston FI+Z lens control system.
Key Highlights
  • 4-Channel Motor Driver for Preston FI+Z
  • Additional Serial Port
  • Analog Input Port


The Preston MDR-3 combines a four-channel motor driver with the G4 microwave transceiver to provide industry leading ruggedness and reliability. Its electrical efficiency has been greatly improved making possible a 31% reduction in volume compared to its predecessor, the MDR-2.


Additional Motor Port

  • Lens control for stereo cameras using prime lenses
  • Motor for rotating filter or other purpose

Improved G4 Radio

  • Completely backwards compatible
  • Adds new channels 30-59 Eliminates co-channel interference on channels 30-59 when directly next to other FIZ units
  • New digital channel displays eliminate mechanical switches; automatic Cable/Radio switching

Analog Input Port 

  • Accepts input from Micro Force zoom controls
  • Video style lens controls from Canon and Fujinon

Camera Port

  • Supports R/S for Arri, RED, Sony, most industry digital cameras
  • Support for Canon C300, C500

Timecode and Genlock Port

  • Store lens metadata on USB stick (in development).

Additional Serial Port

  • Direct connection/no interface boxes for accessories
  • CineTape
  • Fujinon digital lenses & Canon digital lenses

USB Port

  • Update firmware with cable connection to PC or Mac
  • Stores lens metadata to flash drives

Simple Mounting Options

  • V-Block quick release for ARRI ALEXA and Sony F65
  • Clamp to mattebox rods


What's in the Box

  • Preston MDR-3 Motor Driver


Key Highlights

  • 4-Channel Motor Driver for Preston FI+Z
  • Additional Serial Port
  • Analog Input Port
  • Camera Run/Stop Function

Compatibility - Lens Control System

HU3 Hand Unit

Mechanical & Electronic Controls

Electronic Options:
Preston FI+Z


11 in
11 in
15 in
3 lb
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