Nikon D2X - Getting Good Results with Autofocus

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Taking Photographs—Focus
Getting Good Results with Autofocus
Autofocus does not perform well under the conditions listed below. If the
camera is unable to focus using autofocus, use manual focus ( 83) or use
focus lock (
80) to focus on another subject at the same distance and then
recompose the photograph.
AF-Assist Illuminators
If the subject is dark, a Speedlight with an AF-assist illuminator can be used to assist
the autofocus.