D800 Single-point AF vs. Normal AF

Started Jan 23, 2013 | Discussions thread
moving_comfort
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Re: Here's why
In reply to egk4260, Jan 24, 2013

egk4260 wrote:

If you are using the AFC, AF-ON technique as described here it will lock focus if after you achieve focus you release the AF-ON button, recompose if desired, then release the shutter. Only if you keep the AF-ON button depressed will the AFC continue to adjust focus. This is why it is so convenient to decouple focus from the shutter release.

Yes, and you have to make sure you select "AF-ON only" in custom setting menu a4, otherwise you'll have a lot of times where it might try to refocus as you depress the shutter button, which I think screws a lot of people up.

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