Af Point Expansion - Canon EOS-1DX MARK II Settings Manual

AF point expansion

(up, down, left, and right) (surrounding points)
[AF point expansion] is an AF area selection
mode that is best selected when shooting sports.
For fast moving subjects that are
difficult to track with a single AF point
AF point expansion (up, down, left, and right)
AF point expansion (surrounding points)
Viewfinder display of [AF point expansion]. The
manually selected AF point and surrounding points are
indicated.
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