Nikon D4S - Manual (Page 125)

103
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Focus Point Selection
The camera offers a choice of 51 focus points that can be used to
compose photographs with the main subject positioned almost
anywhere in the frame. Follow the steps below to choose the
focus point (in group-area AF, you can follow these steps to choose
a group of focus points).
1
Rotate the focus selector
lock to
●.
This allows the multi selector to
be used to select the focus
point.
2
Select the focus point.
Use the multi selector to select
the focus point in the
viewfinder while the exposure
meters are on. The center focus
point can be selected by
pressing the center of the multi
selector.
The focus selector lock can be
rotated to the locked (L)
position following selection to
prevent the selected focus
point from changing when the
multi selector is pressed.
Focus selector lock