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| p.2 #2 · D800 low hit rate with AF-C single point (focus priority, AF-ON only) |
I'm finding it's too jumpy on certain subjects and produces OOF shots.
When you are shooting portraits, are you holding AF-On at the time that you press the shutter?
On my D800, I use AF-C all the time and AF-On only. When shooting a static subject, I press AF-On only to establish focus, release that button, then shoot. My take is if you are pressing it and the AF engine is active at the time of shutter release, focus is not quite as good and you don't need to be doing that for a static subject.
As far as the release priority, on the D800 that really only comes into play if you are holding AF-On at the same time you are pressing the shutter. If you press AF-On and let it go then press the shutter it doesn't matter what release mode you have set because it will fire.
What trenchmonkey says is right on with respect to moving targets: If you have a1 set to focus priority and you are mashing the AF-On button trying to track a moving subject and pressing the shutter at the same time, you are increasing your chances of missing the moment because it will wait until it feels it is in focus.