Focus Point Accuracy - Nikon's Specs?

Started Sep 30, 2010 | Discussions thread
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Playdo OP Junior Member • Posts: 47
Re: don't assume DOF

Octane wrote:

which means the AF works at a virtual f/5.6.

What do you mean by 'virtual'?

The D200 had the option to switch between small and large AF sensors. Sounds awesome in theory, but in reality the AF accuracy was not good on this camera.

This sounds like the Spot AF function on the Canon 7D, where it will confine the AF area to within the focus rectangle. How does the AF area size of a D3 compare to Canon's spot focus?

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