Canon EOS 7D mark II Manual Book page 8

AF Configuration Tool [Presets]
Focus track subjects that can accelerate or decelerate
Effective when a subject's speed changes rapidly, or in sports where subjects stop or
Parameter default settings
Tracking sensitivity [0]
Acceleration/deceleration tracking [+1]
AF point auto switching [0]
Continuously track players as they suddenly slow down and speed up
In sports photography and motocross, you
often have to respond to quick movement.
Subjects suddenly going from static to moving
or sudden stopping can occur in various sports
and situations and it can be difficult for the AF
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Case4
This is a cornering
scene in motocross.
The bike races at
high speed, suddenly
decelerates just
before turning the
corner, and Case4
can be used to
accurately capture
the shot.
system to judge accurately, In these situations,
Case 4 is most effective. With the [Accelerate /
decelerate Tracking] parameter set to [+1], the
AI Servo AF will work to focus track any
changes in speed, including sudden stops and
quickly
change direction
acceleration. This makes Case 4 the most
effective setting for shooting soccer, rugby,
basketball or sports where there is a lot of
running and stopping, as well as changes of
direction. It is also effective for cornering during
m o t o r s p o r t s ( s u d d e n d e c e l e r a t i o n a n d
acceleration).
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Blue color of focus point is for illustration.