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Sony ENG / EFP Shoulder Mounts
Sony PDW-F800, PDW-700, PDW-850, PXW-X500 (XDCAM HD) and PMW-400, PMW-320 (XDCAM EX).

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Old January 7th, 2010, 06:22 AM   #16
Join Date: Oct 2003
Location: DFW area, TX
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I'm late to this thread, but I know what the problem is. You can't use that light with the delay circuit. I have the AB Ultra light with the UL dimmer. Can't run the dimmer through the camera body tap, have to use the tap on the battery plate. The Ultralight by itself will run just fine.

It's not a voltage issue, it's a current issue. Not an excess of current, but a lack of it that gets drawn when you plug in an electronic dimmer or delay. The camera is designed this way and I know of no workaround other than the one you have already implemented. I have to do the same thing with my UL dimmer.

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Old January 7th, 2010, 09:38 AM   #17
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Join Date: May 2008
Location: Knokke-Heist, Belgium
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Thanks Greg; very useful comment. I've been measuring a lot and to no avail. But this is the answer, so I can stop measuring and just forget abut this light. I'll use my Sony LED-light instead.
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