What the thread found

• A Bartech follow focus system can serve as an effective backup when a primary Preston system fails during production
• The combination of a Bartech follow focus device with an M-One wireless system offers competitive price-to-performance value
• Some cinematographers who initially purchased Bartech as a backup for Preston systems have begun using the Bartech more frequently due to advantages in size, weight, and power consumption
• Bartech equipment repairs are completed and returned within one to two days
• Having a reliable backup follow focus system available can be a significant asset on set when primary equipment fails or unexpected shots are added to the production

Depends on

• Discussion is from 2004, technology and product specs may have changed
• Observations are anecdotal reports rather than systematic testing
• No specific technical specifications or performance metrics provided for comparison

Gear in this thread

BFD

Parts

Follow Focus

Same gear or parts

1. 2026Pulling focus and zoom yourself while operating, especially on live showsOperator practice
2. 2026Swapping an ARRI ALEXA 35 between tripod/studio and Steadicam® mounting: baseplate choice and fastest workflow.FacebookSteadicam operators group
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