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2015Follow Focus forum

Repair options and technical challenges for Digital M-One follow focus motors

What the thread found

  • The Digital M-One motor uses an encoder instead of a potentiometer, and the encoder is integrated into the motor unit and cannot be replaced separately
  • Repairing a faulty encoder in a Digital M-One typically requires ordering an entire new motor and encoder assembly
  • The M-One motor uses a triangular spline coupling on the shaft, which means a replacement motor shaft must be custom-machined to fit this coupling
  • Replacement motor and coupling work is expensive and time-consuming due to the custom machining required
  • Repair attempts without access to original manufacturer parts are significantly constrained by the integrated encoder design
  • Third-party service options exist but may have limited capability compared to manufacturer repair

Depends on

  • The discussion focuses specifically on the Digital M-One model; analog versions may have different repair considerations
  • No confirmation provided that third-party repair shops can successfully perform encoder replacement or coupling work
  • The integrated encoder limitation applies only if the motor uses the same manufacturer encoder as commonly used across the industry

Parts

Follow Focus

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