One-Shot Af For Still Subjects; Focusing An Off-Center Subject - Canon EOS-1Ds Instruction Manual

One-Shot AF for Still Subjects

Area AF ellipse

Focusing an Off-Center Subject

To focus a subject not covered by the Area AF ellipse, follow the procedure below. This
technique is called focus lock.
•
Focus lock works only in the One-Shot AF mode.
Aim the Area AF or AF point over the subject and press the
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shutter button halfway to focus.
Keep pressing the shutter button halfway and recompose the
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picture as desired.
Take the picture.
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•
When the <
achieved.
•
If focus cannot be achieved, the focus confirmation light < > in the viewfinder
will blink. If this occurs, a picture cannot be taken even if the shutter button is
pressed fully. Reframe the shot and focus again. Also see "When Autofocus Fails
(Manual Focusing)" on page 73.
AF point
Pressing the shutter button halfway
activates AF operation and achieves
focus once.
s The AF point which achieves focus flashes briefly
and the focus confirmation light < > in the
viewfinder lights at the same time.
•
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.
> switch is set to < >, the beeper will sound when focus is
Focus confirmation light
Selecting AF Mode
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