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10-11-2017, 09:41 AM   #1
Junior Member

Join Date: Mar 2016
Posts: 29
645z and Shanny SN600FGZ

I just received this flash last night. I bought it mainly for the AF assist as I sometimes shoot events with the Z.

Anyway, I can't seem to get the AF assist working at all. Does anyone else use this combo?
I looked through the custom settings, I tried using AF.S, I tried turning my back button AF off... no dice.


10-11-2017, 10:37 AM   #2
Senior Member

Join Date: Apr 2016
Location: Los Angeles
Posts: 156
I don't think the 645Z sends the AF assist signal until it thinks it's dark enough to need it, based on how it behaves on my Cactus triggers, so maybe try it in a very dark environment to see if it works then.

I do have a SN600FGZ that I pretty much never use, so if I get a chance to test mine I'll see if I can coax it into working.
10-11-2017, 11:27 AM   #3
Junior Member

Join Date: Mar 2016
Posts: 29
Original Poster
Thanks for the reply. Yes I had read that before so I was trying it in my dark walk in closet and it still wouldn't fire the beam.

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