Af modes, One-shot af, Still subjects – Canon EOS 3 User Manual
Page 35
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AF Mode Selection
AF Modes
Different AF modes have different AF operation characteristics. The
camera has two AF modes: One-Shot AF for still subjects, and Al Servo
AF for moving subjects. (Al is an abbreviation for Artificial Intelligence.)
Select the AF mode which suits the subject.
One-Shot AF
for
Still
Subjects
Pressing the shutter button halfway
activates AF operation and achieves
focus.
•
The focusing point which achieves focus
flashes briefly and the in-focus indicator (•) in
the viewfinder lights at the same time.
•
When the <fe> switch is set to <•'))>, the
beeper also sounds when focus is achieved.
• With evaluative metering, the exposure setting
(shutter speed and aperture) will be set when
focus is achieved. The exposure setting and
focus will be locked as long as the shutter
button is pressed halfway. You can then
recompose
the
shot
while
retaining
the
exposure setting and point of focus. See page
49.
In-focus indicator
— Focusing point
If focus cannot be achieved, the in-focus indicator in the viewfinder will blink. If this
occurs, a picture cannot be taken even if the shutter button is pressed completely.
Reframe the shot and focus again. Also see “Manual Focusing” on page 52.
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