2007منتدى Batteries/Power
اختيار البطاريات وحلول القوى لكاميرات الأفلام ذات السرعة العالية
مضى على هذا 19 سنة. قد تكون المعدات والأسعار قد تغيّرت منذ ذلك الحين.
موضع خلافاختلف المشاركون ولم يصلوا إلى خلاصة. اقرأ النتائج على أنها مواقف، لا إجابة.
ما توصّل إليه النقاش
- بطاريات الليثيوم الجديدة تؤدّي أداءً جيداً بالمعدلات العالية للإطار، لكن الخلايا القديمة تفقد القدرة على التعامل مع المسامير الحالية وتتسبب في طلقات فولتية أغلقت الكاميرا
- Nickel-metal hydride batteries such as the A/B Hitron50 can power the camera at various frame rates and require battery changes approximately every five takes at high speeds
- At normal frame rates between 25-75 fps, a single pair of quality batteries can sustain operation for extended periods
- High current demand at elevated frame rates requires batteries with sub-C or full-C sized cells to maintain stable voltage delivery
- Some users successfully modified camera power systems through gyro connectors to accept higher voltage configurations for improved battery life
- Cheaper generic lithium-ion cells from resellers can provide cost-effective power solutions when properly configured in parallel and series arrangements
- Batteries typically maintain adequate voltage reserves even after extended use, with rear cells depleting faster than booster cells in multi-battery setups
يعتمد على
- Battery performance at high frame rates varies with age and usage history
- Experiences reported are from 2007 and may not reflect current battery technology
- High-speed frame rate testing was primarily conducted at 150 fps
- Some battery sourcing involved non-authorized resellers with unclear warranty coverage
- Camera modifications mentioned required technical expertise and specific knowledge of individual camera designs