Canon EOS-1DX Af Setting Manualbook page 42

Examples where the [+] setting more effective
Sports where athletes movement sudden stop
or start
[+]
Photo
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image by
touching
Example of a long-jump landing. As a result of the
athlete suddenly decelerating as they land, a normal
setting may not be able to capture it, however, it is
possible to continue focusing on the athlete with
[Accelerate / decelerate Tracking] set to [+1].
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