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Esteemed Contributor
Posts: 4,362
Registered: ‎11-13-2012

Re: AF problems EOS 5D mk III

Look in the manual for instructions to reset camera settings.
John Hoffman
Conway, NH

1D X, Rebel T5i, Many lenses, Pixma PRO-100, MX472
New Contributor
Posts: 3
Registered: ‎11-12-2017

Re: AF problems EOS 5D mk III

And then I loose all other custom settings and start everything from scratch. Harsh.
Esteemed Contributor
Posts: 4,362
Registered: ‎11-13-2012

Re: AF problems EOS 5D mk III

Then you need to hunt through settings to see what was changed by your child. He possibly changed a selected focus point, but since apparently you have made a bunch of custom settings you need to go through them all and figure out what you didn’t set.
John Hoffman
Conway, NH

1D X, Rebel T5i, Many lenses, Pixma PRO-100, MX472
Esteemed Contributor
Posts: 3,722
Registered: ‎06-25-2014

Re: AF problems EOS 5D mk III


meeli436 wrote:

Hey there! 

Not a professional photographer here. 
I also have a bit of a problem with focusing and images being sharp.

I bought a used 5D mk III. First, the images were OK. But then my 3-year-old son did something with the camera and the settings, so now... occasionally the images are off. I focus on the nose/eyes or mouth, but they remain un-focused but the hair close to the ears is sharp. 

What has happened and how do I fix it. Would love to hear all suggestions. This picture was shot in: ONE SHOT. 
[picture omitted]


Get out your instruction manual (the full-length one that you can downloaded from Canon's Web site, not the abbreviated one that may have come with your camera) and read about "autofocus microadjustment". If your description of the symptom is accurate and the camera hasn't been dropped or something, that may provide a solution.

Bob
Boston, Massachusetts USA
New Contributor
Posts: 3
Registered: ‎11-12-2017

Re: AF problems EOS 5D mk III

So yeah - did the system recovery, put on a new software and now... As I expected. Everything is off. Right now I'm in a mood of quitting photography. My camera hates me, my lens hates me. Just so frustrated. I can't even remember half the configurations and settings I had. So here's a tip everybody. Keep your camera away from kids. 

Reputable Contributor
Posts: 858
Registered: ‎02-06-2013

Re: AF problems EOS 5D mk III


meeli436 wrote:

So yeah - did the system recovery, put on a new software and now... As I expected. Everything is off. Right now I'm in a mood of quitting photography. My camera hates me, my lens hates me. Just so frustrated. I can't even remember half the configurations and settings I had. So here's a tip everybody. Keep your camera away from kids. 


Look at the bright side, if you can't remember half of your settings then they are not worth having.  Here is your chance to start anew and learn a few more things about your camera in the process.

 

I am one who occasionally reset everything (camera, computer, audio/video wiring, etc.) when there's nothing wrong.  I always manage to learn a few new things and ended up better than before I started.

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Diverhank's photos on Flickr
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Honored Contributor
Posts: 5,426
Registered: ‎08-13-2015

Re: AF problems EOS 5D mk III

I think you could be looking at parts of the subject that are OOF because of Depth Of Field.  

What focal length are you using?  What is the approximate distance to the subject?  If the child moved a couple of inches between you focusing, and you taking the shot, then where you focused could be OOF.

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