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Why 600EX II RT / ST-E3-RT Drops Wireless Link

I am posting this information in hopes it is easier to find. It was originally a reply to an earlier post but may not be easily discovered.I believe I have proven the theory that the Canon ST-E3-RT (ver. 2) / 600EX II RT wireless system is dropping w...

JLCKJC by Enthusiast
  • 6475 Views
  • 36 replies
  • 9 likes

600 EXII-RT intermittent overexposure

- exposure is OK for a few shots then suddenly overexposes completely.My 600 EXII-RT works OK, then for no reason at all it totally overexposed some photos. Last time it happened I was shooting on a 5dmk4, manual mode, ISO 1250, 1/200 at f2.8, evalua...

Da5idC by Contributor
  • 465 Views
  • 7 replies
  • 0 likes

Speedlite 600EX-RT won't unlock

I need help unlocking my Speedlite.  I have a lever off/lock/on - whether it is in the locked position or the on position, it disallows any other settings as it states it is locked.  #speedlite#  Help

Resolved! Speedlite 600ex-rt battery problem

HiI have just bought a 600ex-rt ... But the batteries I put in it (which are all new) only result in a "replace battery" sign and the flash refuses to switch on.I have tried 3 new sets of batteries, all are top grade lithium batteries, is there a kno...

Resolved! R5 and 580EX-II - No red AF assist beam?

I have a 580EX-II and on my old 40D, it fires an AF assist grid when needed. On my r5, an intermittent flash is used instead. Another post indicated with a different mirrorless (maybe r8?), the manual makes clear that’s “what happens”. The r5 manual ...

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