Canon EOS 5D MARK IV, Инструкция по эксплуатации

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3
Customizing AF Functions
N
148
You can set either to stop the selection at the outer edge or it can cycle
around to the opposite side in AF point selection.
: Stops at AF area edges
Useful if you often use an AF point
along the edge.
: Continuous
Instead of stopping at the outer edge,
the selection of AF point continues to
the opposite side.
2
5
AF point selection movement
AF5
If [ EOS iTR AF (Face priority) ] or [ EOS iTR AF ] is set, the camera may
take longer to focus than when [ Disable ] is set.
Even if you set [ EOS iTR AF (Face priority) ] or [ EOS iTR AF ], the
expected effect may not be obtained depending on the shooting
conditions and subject.
Under light so low that the EOS-dedicated, external Speedlite emits the
AF-assist beam automatically, AF points are selected automatically
based only on AF information.
Face detection may not work if the face is small or under low-light
conditions.
With [
2
4: Initial AF pt, AI Servo AF ] set to [ Initial AF pt
selected ], the above setting will also work when you are selecting the initial
AF point for AI Servo AF.