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11-16-2013, 11:11 AM   #1
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K-30 and Sigma DG ST 610

Hello!

I purchased a DG ST 610 for both myself and my partner and we are both getting weird and unpredictable results in P-TTL. Does this flash not work in p-ttl on the K-30 ? It's very frustrating ! If it doesn't work I will return them to Adorama and get something that does...I'm no strobe master but I've never had these issues not even with my yn-565ex on my D7100...it just works reliably so I'm starting to suspect something is really wrong.
Thank you in advance.

11-17-2013, 12:20 AM   #2
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K 30 has a diffrent flash signal to previous models ax well ad a diffrent shape pop up, my metz flashes all had be updated too work with the k30 .they would flash contiously or refused to do hss
11-17-2013, 09:30 AM   #3
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Sigma doesn't list any flash support for the newer Penax cameras (k5II,30,50,500,or K3).

I use Metz AF48-1 with my K30 and have no problems with it. I did have to update the firmware though. Sigma doesn't allow user firmware updates IMO that's a major disadvantage to the Metz flash system.
11-17-2013, 10:31 AM   #4
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Thank you both very much! I suspected that was the problem as I noticed when I was about 6 - 8 feet from the subject would get what I expected when I noticed the strange behavior and started using the FEC because it was really in manual mode ,and not sending ttl just full power . I have flashes with more control in manual than this one and I wanted a p-ttl flash so back it goes, hopefully there will be something I can get on a Black Friday special with p-ttl.

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