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3 Selecting AI Servo AF CharacteristicsN
112
Geared for tracking moving subjects
whose speed can change dramatically
and suddenly. Also, if the target subject
moves dramatically up, down, left or right
and it is difficult to focus, the AF point
switches automatically to track the
subject.
This setting takes effect when the AF
area selection mode is set to AF point
expansion (manual selection ), AF
point expansion (manual selection,
surrounding points), Zone AF (manual
selection of zone), Large Zone AF
(manual selection of zone), or 65-point
automatic selection AF.
This setting is not available with the
Single-point Spot AF (manual
selection) and Single-point AF
(manual selection) modes.
Case 6: For subjects that change speed and move erratically
(disabled in Single-point AF mode)
Default settings
• Tracking sensitivity: 0
•
Accel./decel. tracking
: +1
• AF pt auto switching: +1
If the subject is in motion, and prone to sudden, dramatic changes in
speed, setting [Accel./decel. tracking] to [+2] may give better results
(p.114).
If the subject moves even more dramatically up, down, left, or right,
setting [AF pt auto switching] to [+2] may give better results (p.115).