Caution ! Dynamic AF versus single point AF... !

Started Jan 13, 2013 | Discussions thread
Humanoid
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Re: Dynamic Area AF-C initial focus acquistion behavior is not that new
In reply to Karl Persson, Jan 15, 2013

Karl Persson wrote:

Kerry,

I share your sentiments on this issue.
Why on earth would Nikon do this, who could possibly benefit from this.

I have experienced the downsides of this "D800 feature" myself.
Out to get some wildlife shots with the camera set to AF-C, AF-On and 21 pt dynamic, since I expected the targets to be on the move, I suddenly saw this beatiful elk standing still in perfect light - so I lift the camera and get o few shots until the moment is over, and coming home I find that the foliage behind the elk is in perfect focus - but not the elk.

This never happened with the D300.

(And don´t get me started on the focus priority issue).

Shooting static subjects its best to use single area AF with either AF-C or AF-S.   For dynamic subjects dynamic area AF works fine and will pick up the highest contrast AF point in the af point selection.  This goes pretty far back in the Nikon lineup nothing new.  Also, its ok to chimp.

Cheers,
Ray

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