2010منتدى Follow Focus
BVFF remote focus controller system for budget filmmaking
مضى على هذا 16 سنة. قد تكون المعدات والأسعار قد تغيّرت منذ ذلك الحين.
ما توصّل إليه النقاش
- وُضع نظام لرقابة التركيز عن بُعد بواسطة محرك يوصل 15 كيلوغراماً/كتم و 240 درجة من تناوب المعدات، وتديره ست بطاريات من طراز AA، ويوفر أربع مواقع تركيز قابلة للبرمجة.
- The system was designed to work with cinema lenses and DSLR cameras with limited motor rotation ranges.
- The motor operates with significant noise, which was identified as a limitation requiring future redesign.
- The wired version was priced at approximately 700 US dollars, while a radio-controlled variant was planned for around 950 US dollars.
- The system included features such as gear-limit calibration, speed adjustment, battery low-voltage indication, and manual operation capability.
- Target users for this low-cost follow focus system included independent filmmakers, television operators, music video production, sports broadcasting, and educational institutions with limited budgets.
يعتمد على
- The motor was notably large and produced excessive noise during operation.
- The control cable length was limited to 5 meters, though it could be extended using standard XLR microphone cables.
- Motor rotation was constrained to 240 degrees.
- Development status as of 2010 indicated the radio-controlled version and low-noise motor redesign were still in progress or planned for future delivery.
القطع
المعدات أو القطع نفسها
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- 2025LC-1 (Lens Control-1) follow focus system: wired structure, motors, and early operational experience (1990s).FacebookThe Steadicam Group
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