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Teradek RT MK3.1 Brushless Lens Motor

Abel Code: TER-15-0025
Mfr. Code: 15-0025
Estimated to Ship – 3-4 weeks
This brushless vector drive lens motor features 2.2 Nm max. torque, smooth & quiet operation, and a high-resolution encoder. Includes 15/19mm rod bracket and 0.8 Mod drive gear.
Key Highlights
  • Brushless vector drive lens motor
  • For use with RT Motion Receivers
  • 2.2 Nm max. torque


The RT Motion MK3.1 Lens Motor is the world's first brushless vector drive lens motor, with smooth and quiet operation, faster response, a high-resolution encoder, no cogging, no sparking, and 4x the service life of brushed motors. Use with any RT Motion Receiver for reliable, precision control of your cinema and still lenses.


  • Fast, accurate, powerful, smooth, and quiet
  • 2.2 Nm max. allowable torque
  • Includes 15mm/19mm rod bracket, with height adjustment
  • Includes 0.8 Mod drive gear (also available in 0.4, 0.5, 0.6 and 0.8 Wide)
  • Adjustable motor response from silky smooth to quick & sharp movement
  • Unique, adjustable compensation for zero-backlash and perfect accuracy, even on worn lenses
  • Drive gear can be mounted on either side
  • Lightweight & compact design
  • Dimensions: 4.5" x 1.6" x 1" (115mm x 40mm x 26mm)
  • Weight: 0.46 lb (212 g)
  • Strong, thin, and flexible 3mm cables (sold separately) allow for reduced weight, less strain, and easier routing
  • LEMO-style 0B 4-pin input connector (motor bus socket)
  • Accepts 5-17V DC power input

What's in the Box

  • Motor Drive Gear - 0.8 Mod
  • Motor Bracket 15/19mm
  • RT Motion MK3.1 Lens Motor


Key Highlights

  • Brushless vector drive lens motor
  • For use with RT Motion Receivers
  • 2.2 Nm max. torque
  • Includes 15/19mm rod bracket
  • Includes 0.8 Mod drive gear

Mechanical & Electronic Controls

Gear Ratios:
Rod Standard:
Mechanical Options:
1 x Motor
1 x Motor Clamp
1 x Drive Gear
MK3.1 Receiver, MDR-X, MDR-SK, MDR-M or MDR-MB
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