2025من مجموعة على Facebook: Steadicam operators group
History 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.
ما توصّل إليه النقاش
- واستخدم التحكم المبكر في التركيز عن طريق الهاتف Cinema Products و Panavision نظاماً لـ Panaglide نظاماً؛ وكانت النظم اللاسلكية الأولى هي Cinema Products من طراز WRC-3 و WRC-4، مكيفة من معدات المراقبة اللاسلكية للهواة (Futaba, later Airtronics)، وعادة ما تكون لها قناة ثانية لضبط الآريس.
- The Seitz 8700 employed similar radio technology to the WRC series but featured superior electronics and was considered the higher-end option.
- WRC-3 and WRC-4 suffered from poor shielding between potentiometers and housing, causing cable movement to shift motor positions; retrofitting PID control to the motor driver improved accuracy and eventually fed into the analog BFD control electronics.
- Preston shifted the market first with 24 V crane systems on 350 MHz, then with 2.4 GHz ISM-band equipment at 12/24 V using digital position transmission, establishing itself as premium while BFD served as the budget alternative, later upgraded to digital.
- European manufacturers including Chrosziel (MagFox, DigiFox, Magnum), cmotion, ARRI Wireless Lens Control, Scorpio, and Benz developed competing wireless systems; ARRI initially faced range, cost, and generational compatibility issues but is now regarded as top-tier by many operators.
- Specialist receivers were sometimes mechanically identical to affordable hobby radio control components, allowing repair at a fraction of manufacturer prices.
- One operator noted that archiving old systems, manuals, and sales literature preserves industry history for future reference.
المعدات في هذا النقاش
المعدات أو القطع نفسها
- 2019صلاحية الشاحنات الصغيرة ذات الـ Steadicam مثل الأيرو - 15 من أجل تشغيل و بندقية منفردةSteadi-Newbies
- 2018Comparison of Aero 30 and Zephyr steadicam rigs for light weight camera packagesGeneral Discussion
- 2018تحديد مدى استقطاب كابلات الطاقة من 2 إلىين ليمو لـ BFD و Teradek وحدةFollow Focus
- 2018عمليات الشراء ذات الأولوية لمشغل أول يبلغ Steadicam يستأجر المعداتSteadi-Newbies