DSLR quirks with focus?

Started Jul 18, 2014 | Discussions thread
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JoeZeppi Junior Member • Posts: 25
DSLR quirks with focus?

Sometimes a picture will be out of focus and the next one will be in focus with the exact same settings, same subject, same focus, even on a tripod. At first, I thought it was something I was doing. But then I noticed the same effect when I was performing AF fine tune test shots on a tripod. I took 3 pictures as various AF fine tune settings. It makes no sense that 2 out of 3 shots at the same AF fine tune setting were in focus and 1 was out of focus. Nothing changed in between shots. I even used a remote shutter release. Is there some inherent problem with DSLRs AF that makes this happen?

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