Canon EOS R10 User Manual page 442

: Flexible Zone AF 3
By default, a horizontal rectangular Zone AF frame is set.
With Flexible Zone AF 1–3, you can freely set the size of the Zone AF frame (
Uses auto selection AF in Zone AF frames to cover a larger area than Expand AF area,
which makes focusing easier than with 1-point AF/Expand AF area and effective for moving
subjects.
Focusing areas are determined not only based on the nearest subject but also based on a
variety of other conditions such as faces (of people or animals), vehicles, subject motion,
and subject distance.
Pressing the shutter button halfway displays [
: Whole area AF
Uses auto selection AF in a whole-area AF frame to cover a larger area than Flexible Zone
AF, which makes focusing easier than with 1-point AF/Expand AF area/Flexible Zone AF
and effective for moving subjects.
Focusing areas are determined not only based on the nearest subject but also based on a
variety of other conditions such as faces (of people or animals), vehicles, subject motion,
and subject distance.
Pressing the shutter button halfway displays [
] over AF points in focus.
] over AF points in focus.
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