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, Jul 23, 2013


I can say that this is an issue for me but I'm also using a yongnuo 622c flash trigger and with the ir turned on a lot of my shots the flash won't fire.

Turning off the IR allows them to function fine.

I was mainly testing this using a photobooth software and trying to remote trigger the flashes instead of running cables everywhere.

I only have 2 600ex-rt flashes so I used 3 of the yongnuo 622c flash triggers and got those to fire through the photobooth software but only after I disabled the IR focus assist beam.

I'm hoping something will get fixed soon.

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