One-shot af, Al servo af – Canon EOS 5 User Manual
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One-shot AF
Use this mode with stationary subjects. The
shutter will not release until the subject is fo
cused. Exposure is determined when the
subject is focused. By keeping the shutter
button pressed to the halfway position, the
focus and exposure settings remain locked,
allowing you to recompose the picture as
desired.
• The shutter will not release if the in-focus
indicator is still blinking. Try refocusing the
subject at a different position or use ma
nual focusing (refer to page 31).
Al Servo AF
Use this mode when taking pictures of mov
ing .subjects. The lens focuses the subject
continuously with the selected focusing
point while the shutter button is pressed half
way. Al Servo’s predictive focus function*
can track subjects moving toward or away
from the camera. When the camera is set for
automatic focusing point selection, Al Servo
AF operation is as follows —
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