What the thread found

• A follow focus system successfully maintained lens control in cold and humid environmental conditions, including temperatures as low as -15°C in shadow areas.
• The follow focus device replicated manual lens focus adjustment with comparable precision.
• The equipment demonstrated reliable operation across a range of camera and lens configurations, including high-definition cinema cameras with various lens options.

Depends on

• Testing was conducted in a specific climate with extreme cold and humidity.
• The user's setup with multiple camera and lens combinations was noted as approaching the weight limit of the mounting arm.
• Specific technical performance metrics or comparison data were not provided.

Gear in this thread

BFD

Parts

Follow Focus

Same gear or parts

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3. 2025History of wireless focus and lens control systems for Steadicam®: from cable-based Cinema Products and Seitz to Preston digital, and European solutions by Chrosziel, cmotion, and ARRI.FacebookSteadicam operators group
4. 2025LC-1 (Lens Control-1) follow focus system: wired architecture, motors, and early operational experience (1990s).FacebookThe Steadicam Group