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New B4 Broadcast Servo Zoom Lens : r/GH5
Found a old B4 lens at camera shop - can I use this on gh5 and what adaptor do I need? Will there be vignette? : r/GH5
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Amazon.com : B4 2/3" 12-Pin to DC 12v Power Cable for Fujinon, Nikon, Canon, Angenieux, Schneider Lens Servo Having a Cable with a Hirose Style 12 Pin Male end : Electronics
Lumix GH4 to B4 ENG Zoom Lens Setup - YouTube
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