What the thread found

• The C-Motion system integrates remote focus, iris, and zoom control with an onboard LCD display that shows depth of field and lens position information.
• The system can operate with digital motors from multiple manufacturers including Preston, Scorpio, Heden, Panavision, and Arri models.
• The hand unit is compact and lightweight, and the display can operate independently with its own wireless link separate from the manual control unit.
• The system includes software that calculates depth of field and hyperfocal distance automatically and can memorize lenses by serial number for consistent calibration.
• Some operators reported the system failed to self-calibrate in cold temperatures around 40 degrees Fahrenheit with stiff lenses.
• A newer motor control box version includes a voltage booster to provide sufficient power to motors even when the camera operates on 12 volts.
• One early unit reportedly had internal wiring that did not match the provided wiring diagram, resulting in non-functional equipment.

Depends on

• The system is reported to have had quality control issues in early production units with internal wiring mismatches.
• Cold weather operation presented calibration difficulties in at least one documented case.
• Compatibility with certain lens motors like Panazoom remained problematic at the time of discussion.
• The discussion spans 2004 and later, so current product reliability and compatibility may differ.
• Some feedback about performance issues came secondhand or from isolated incidents rather than systematic testing.

Parts

Follow Focus

Same gear or parts

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