2015Follow Focus forum
Performance characteristics of the Chrosziel CDM-100 follow focus motor
What the thread found
- The CDM-100 motor operates at 24 volts and provides sufficient torque for light to mid-size lenses.
- The motor demonstrates fast and responsive speed performance comparable to industry standard motors.
- The motor weighs under 100 grams including accessories.
- The motor operates quietly with smooth motion.
- The motor functions reliably with a range of lens types including telephoto zooms, prime lenses, and older glass.
- The motor is compact in size.
Depends on
- Testing reports are anecdotal and limited in quantity.
- No objective measurements of speed, torque, or noise levels are provided.
- The motor was tested with specific lens models but suitability for other lenses remains undocumented.
- No information about failure rates or long-term durability over extended use.
Parts
Same gear or parts
- 2026Pulling focus and zoom yourself while operating, especially on live showsOperator practice
- 2026Swapping an ARRI ALEXA 35 between tripod/studio and Steadicam® mounting: baseplate choice and fastest workflow.FacebookSteadicam operators group
- 2025LC-1 (Lens Control-1) follow focus system: wired architecture, motors, and early operational experience (1990s).FacebookThe Steadicam Group
- 2024Modifications to a Steadicam Scout rig for expanded power distribution and connectivityGeneral Discussion