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Canon 5D Mark III AE Lock Button

by Grayson
(Virginia)

Canon 5D Mark III Settings Dial

Canon 5D Mark III Settings Dial



"Hi! I am currently experiencing some frustration with my Mark III. I used my AE lock button (*), and I have tried everything to turn it off. I shoot mostly outdoor photography and am constantly adjusting what I am doing. Every time I shoot, my settings are locked in and I have to turn my camera on and off to reset. I have tried disabling the button, switching modes ( I mostly shoot in manual), and nothing has worked. How can I gain control of my camera again?"

Hi Grayson,

Thanks for your questions about Auto Exposure lock (AE) with your Canon 5D Mark III. Sorry for your troubles!

I am sure that having your 5D Mark III stuck in AE locked mode is a hassle. That would drive me crazy. I've never used AE lock, but it's a unique feature that you should be able to use in a few specific situations, but be able to unlock it as well.

Here's the link to the USA-Canon knowledge base page on AE lock, but I'm not sure that will help you. I'd suggest trying a firmware update, even if you already have done that in the past. Resetting all of your settings back to factory settings might help.

You can also call USA Canon directly, in case they've had other photographers have experienced the same inability to take their 5D Mark III out of AE. 800-652-2666.

Please get back to me and let me know how you solve this issue.
Good Luck,

Bruce

Canon 5D

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Author Bruce Lovelace
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Bruce Lovelace is the publisher of Canon Camera Geek. Read more about him on the About Page. He also publishes how to articles and camera gear reviews at the Photography Tips website.

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