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D7100: AF focuses on background a lot?


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doppler_fto

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"RE: D7100: AF focuses on background a lot?"

doppler_fto Registered since 23rd Mar 2013
Sat 04-May-13 05:13 AM

I was using AF-C and release priority, yes. I had already developed the habit of releasing and re-pressing the AF-ON button when the camera isn't focusing on what I want it to, so I'm pretty sure I was doing that, although I can't say for sure — it's an ingrained habit, so I don't think about whether I'm doing it or not.

I don't believe the recomposition thing is my real problem (although it could be compounding whatever is going on). The real problem is that the AF locks on the background, even when the background should only be a tiny portion of the active AF area, if that, and even when the subject I'm trying to focus on has plenty of contrast. I mean, there are plenty of explanations why the camera could be behaving this way, but I can't think of any good reasons why a well-behaved AF system should behave this way.

Either way, I'll try decreasing setting a3 (Focus tracking with lock-on) from 3 (Normal) to 2 or 1 and see if that helps.

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This is a hot topic  It has been locked by a team member D7100: AF focuses on background a lot? [View all] , doppler_fto , Fri 03-May-13 05:19 AM
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