Nikon D810 - Manual (Page 118)

94
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.
Focus selector lock