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Preston 4150 MDR-4 2 Channel Motor Driver

Preston Cinema Systems
Abel Code: PR-4150
Mfr. Code: 4150
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.
Expand your focus control capabilities using the Preston MDR-4’s wireless functionality on smaller cameras or with gimbals and drones.
Key Highlights
  • Gimbals/Aerial/Camera wireless control
  • View status with a glance

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The Preston MDR-4 improves upon Preston’s MDR-3 potential to provide lightweight wireless connectivity to your gimbal, drone or small camera configurations. The unit is designed to interact with lens control systems like the Preston FI+Z hand units and the LR2 Light Ranger. The MDR-4 device offers a built-in antenna (unlike the MDR-3 which attaches on the exterior), two sets of 30 channels, plus a reset button. It also provides a serial connector for LR2 & Cinetape, with no interface units required, and an analog connector for Canon and Fujinon video-style lens controls or for Microforce/broadcast zoom controls.

Thirty channels (0-29) selected by up/down buttons are split into two sets. The first includes the spread-spectrum coding used in the MDR3. The Blue Dot upgrade in the second set harnesses advanced coding to remove interference from adjacent channels.

There are a few helpful devices which allow you to keep an eye on specific statuses with a glance. Simple push buttons facilitate a switch in motor direction while an LED on/off light indicates which direction is in use. Also, a tri-color LED provides status on the torque level which can be modified via switches near the LEMO connectors.

Power the MDR-4 via an 11-32 VDC power connector or with a R/S camera connector (ARRI, RED, Sony, and more) as an alternate.

Use the Wooden Camera MDR4 Mount accessory to attach your Preston MDR-4 to a RED or ARRI camera.



Key Highlights

  • Gimbals/Aerial/Camera wireless control
  • View status with a glance

Compatibility - Lens Control System

HU3 Hand Unit


Input Connector/Port:
3-pin ARRI R/S
Serial - LR2 & Cinetape
Analog - Canon & Fujinon video-style lens controls, Microforce/broadcast zoom controls
11-32 VDC Power

Mechanical & Electronic Controls

Electronic Options:
Controls Include:
Focus, Iris, Zoom, Run/Stop - (R/S with compatible systems)


Power Input:
DC - 11-32V


9 in
7 in
11 in
0.51 lb
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