ما توصّل إليه النقاش

• A Bartech Focus Device with power cable, M-One motor with mounting bracket and motor cable totals approximately 27 ounces
• A Heden M26P motor weighs about 5 ounces less than an M-One but has limited lens compatibility
• The Chrosziel Fox is lighter than a Bartech system but cannot drive an M-One motor
• M-One motors should be powered from 12V sources on camera sleds rather than directly from camera batteries
• Bartech systems can operate from camera batteries like the SR3 but require a more expensive cable with voltage converter
• Bartech Focus Device systems offer comparable performance to Preston systems at significantly lower weight
• Two separate follow focus channels allow independent control of different functions or multiple camera operation

يعتمد على

• Weight specifications are from 2005 and may not reflect current products
• The M26P motor has limited compatibility with film lenses
• Power compatibility issues are specific to SR3 camera batteries
• Comparisons are based on user experience rather than comprehensive testing
• The Preston MDR-1 comparison is anecdotal

المعدات في هذا النقاش

MDR

القطع

Follow Focus

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