ما توصّل إليه النقاش

• Early J7 zoom control units were available in versions with different pin-out configurations for Canon and Fuji lens compatibility
• All J7 units included pressure-sensitive sprung potentiometers for speed control rather than requiring manual pot adjustment on the lens servo
• A common maintenance issue with J7 units was centering drift that could be addressed by drilling access to the trim control without full disassembly
• Zoe III from Bebob was suggested as a modern alternative pressure-sensitive zoom rocker option with auto-sensing between different connector types

يعتمد على

• The thread does not provide repair cost estimates or definitive recommendations on whether repair is economically justified
• No clear answer was given about current availability or where to purchase J7 combo units
• The exact technical specifications distinguishing different J7 variants were not fully detailed

المعدات في هذا النقاش

BFD

القطع

Follow Focus

المعدات أو القطع نفسها

1. 2026اسحب التركيز و اقسم نفسك أثناء العمل خاصة على العروض الحيةOperator practice
2. 2026Swapping an ARRI ALEXA 35 between tripod/studio and Steadicam® mounting: baseplate choice and fastest work flow.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 structure, motors, and early operational experience (1990s).FacebookThe Steadicam Group