Single-Point Spot Af; Single-Point Af; Af Point Expansion (Four Surrounding Points) - Canon EOS-1DX MARK II Settings Manual

Single-point Spot AF

It is possible to focus on a very narrow area with
a single manually selected point.

Single-point AF

The default setting. With this mode it is possible
to focus with a single manually selected point.

AF point expansion (four surrounding points)

Focus using one manually selected point assisted by
4 other AF points (up, down, left, and right).
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