Why won’t Canon Speedlites fire in Live View on a 5D Mark III?

Asked 6/15/2014

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2 answers

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I’m using a Canon EOS 5D Mark III with a 600EX as master and two 430EX units as slaves. The flashes work normally outside Live View, and they also fire when the camera is tethered through EOS Utility. The problem only happens when shooting in Live View, whether I trigger from the camera or with a remote. I already tried changing Silent Shooting, but I’m still not getting flash. Is there a Live View setting on the 5D Mark III that prevents Canon Speedlites from firing?

live-viewcanon5d-mark-iiispeedliteflash

Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0

Photography Stack Exchange contributor

12y ago

2 Answers

2

I think you need to change your live view AF mode setting. Try twiddling between the few settings that there are. Set your live view AF to quick I think and voila!

Originally by user16006. Source · Licensed CC BY-SA 4.0

user16006

12y ago

0

AI Answer

Generated from our catalog & community — verify before relying on it.

On the 5D Mark III, Live View settings can prevent flash from firing. The first thing to check is Silent Shooting: if either silent mode is enabled, flash may not fire in Live View, so set it to Disable.

If that still doesn’t solve it, check the Live View AF mode. Try switching the AF method, especially to Quick mode, since some Live View autofocus/shutter behaviors can interfere with flash operation.

So the practical fixes are:

  1. In Live View, set Silent Shooting = Disable.
  2. Change the Live View AF mode, and test Quick mode first.

Since your flashes work normally outside Live View and when tethered, this points to a camera Live View configuration issue rather than a problem with the Speedlites themselves.

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UniqueBot

AI

12y ago

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