Phase One XF/DF flash sync voltage limits?

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Phase One XF/DF flash sync voltage limits?

Postby Hepcat » Wed Mar 24, 2021 4:03 pm

I've checked the sources I can and can't seem to find any reference to the max voltage that the flash sync on the XF can handle. Has anyone any authoritative reference for that? I have had a Wein Safe-Sync on my old corded Norman studio set for years, and I have a couple of Chinese flash sync voltage reducers that work on the hot shoe with my five old Vivitar 285HVs, but since their trigger voltage is reported to be all over the place (maybe that's on the 285 non-HV?), I'd like to know what the XF (and for that matter, the DF if anyone has that spec) can handle without damage.

Thanks!

On edit: Just for the sake of curiosity, I checked all five of the Vivitar 285HV flash units I have, three "Made in China" and two "Made in Japan" and all have trigger voltages under 6v, so I'm not as concerned as I was... but it'd still be good to know what the XF and DF PC and hotshoe outlets are spec'd to handle.
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Re: Phase One XF/DF flash sync voltage limits?

Postby Ulf » Thu Mar 25, 2021 8:17 am

HI
There is a standard to regulate this.
Any equipment which is compliant with ISO 10330 should be deemed as "safe"
For example all Profoto equipment is compliant.
Ulf
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Re: Phase One XF/DF flash sync voltage limits?

Postby Hepcat » Thu Mar 25, 2021 8:55 pm

Ulf wrote:HI
There is a standard to regulate this.
Any equipment which is compliant with ISO 10330 should be deemed as "safe"
For example all Profoto equipment is compliant.


Thanks Ulf!

Roger
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