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645 DF + Iq140 + Leaf lenses
http://www.paulcbuff-techforum.com/viewtopic.php?f=8&t=4104
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Author:  nofxrs [ Sun Jul 21, 2013 2:02 am ]
Post subject:  645 DF + Iq140 + Leaf lenses

Hi guys!
is it possible to sync the 645DF with a 80mm LeafShutter lens at 1/1600 with alienbees?

I see it's with profotos, but still in doubt about pcb system. Would the Cybersync do the sync?

Cheers! :)

Author:  Technical Support [ Mon Jul 22, 2013 9:37 am ]
Post subject:  Re: 645 DF + Iq140 + Leaf lenses

CyberSync can sync up to 1/2500 on some camera types. I see no reason it could not work with a leaf shutter to 1/1600. It is a function of the leaf shutter, not the flash, which allows synchronization at faster speeds.

It should be noted, however, if a shuttter speed is faster than the flash duration of any flash, then you will not capture the entire flash pulse, which will result in a lowered effective flash power (this is how HSS works).

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