Large Zone Af - Canon EOS-1DX MARK II Settings Manual

Large Zone AF

With the [Large Zone AF] mode, one of three
large focusing zones (left, center, or right) can be
selected, and the camera focuses on the nearest
subject within that zone.
This mode is effective when you want
to capture subjects in a large area
consisting of left, center, or right.
The selected range of AF points
display in [Large Zone AF].
This AF area selection mode is newly included on the
EOS-1D X Mark II. The user selects one of three large
zones — left, center, and right (top, center, and bottom
if the camera is held vertically). All points within a zone
are active, and again, the camera focuses on the nearest
subject within the zone. In AI Servo AF, Large Zone AF
can be especially effective with erratically-moving
subjects, especially with the camera's improved EOS iTR
AF (p.74).
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