Canon EOS 5DS Instruction Manual page 112

3 Selecting AI Servo AF CharacteristicsN
Case 5: For erratic subjects moving quickly in any direction
Default settings
• Tracking sensitivity: 0
• Accel./decel. tracking: 0
• AF pt auto switching: +1
If the subject moves even more dramatically up, down, left, or right, setting
[AF pt auto switching] to [+2] may give better results (p.116).
112
Even if the target subject moves
dramatically up, down, left, or right, the
AF point will switch automatically to
focus-track the subject. Effective for
shooting subjects that move dramatically
up, down, left, or right.
It is recommended to use this setting
with the following modes; AF point
expansion (manual selection
point expansion (manual selection,
surrounding points), Zone AF (manual
selection of zone), and 61-point
automatic selection AF.
With Single-point Spot AF (manual
selection) or Single-point AF (manual
selection) mode, the tracking action will
be the same as with Case 1.
), AF