600RT Flash bug in new Canon 5DIII firmware.

Started May 12, 2013 | Discussions thread
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Re: 600RT Flash bug in new Canon 5DIII firmware.
In reply to MASTERPPA, Jun 14, 2013


I was researching about this issue and came upon this thread. I have the same issue where I can't focus in a reception hall using a 5dm3 & 600ex rt.. It is sometimes so slow that I end up missing very important shots.  A lot of websites are saying to install the new firmware, but now I am worried this firmware update will make it worse after reading the comments above.  Has there been any more updates since then?  Should I try to update -- I don't want to be in a worse situation after the update.


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