Canon EOS ELAN7NE-33V - Manual (Page 40)

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Selecting the AF Mode
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• When focus is achieved, the focus confirmation light <n> in the viewfinder
will not light and the beeper will not sound.
• If the focus confirmation light <n> in the viewfinder blinks, it means focus
has not been achieved.
• Focus lock cannot be used.
With C.Fn-04-2, holding down the < w > button will temporarily stop the
AF operation in the AI Servo AF mode. (p.85)
∗ Predictive AF
If the subject approaches or retreats from the camera at a constant rate,
the camera tracks the subject and predicts the focusing distance
immediately before the picture is taken. This is for obtaining correct focus
at the moment of exposure.
• When the AF point selection is automatic, the camera first uses the
center AF point to focus. If the subject moves away from the center AF
point, focus tracking continues as long as the subject is covered by
another AF point. The active AF point will not flash in red.
• With a manually selected AF point, the selected AF point is used for
predictive AF.
• In the Eye Control mode, Eye Control Servo AF (p.49) will be used. As
long as one of the AF points cover the moving subject, predictive AF
will continue to track the subject as you follow it with your eye.
AI Focus AF for Automatic AF Mode Switching
The AI Focus AF mode switches
automatically from One-Shot AF to AI
Servo AF if the subject starts to move.
If focus is achieved in the One-Shot AF
mode and the subject starts to move
continuously, the camera will detect the
movement and switch automatically to
AI Servo AF to focus track the subject.