98
6 Take
the
picture.
Press
the
shutter-release
button
the
rest
of
the
way
down
to
take
the
picture.
If
continuous
high
speed
or
continuous
low
speed
is
selected for Release mode,
the
monitor
will
turn
off
while
the
shutter-release
button
is
pressed. The frame advance rate for continuous
mode
is
the
same
as
that
selected for standard shooting.
~
Contrast-Detect Autofocus
The camera will
not
continue
to
adjust focus while the
AF-ON
button
is
pressed in continuous-servo autofocus mode. In
both
single-servo and
continuous-servo autofocus modes,
the
shutter can be released even
when the camera
is
not
in focus.
~
Focusing with Contrast-Detect Autofocus
Contrast-detect autofocus will take longer than normal (phase-detection)
autofocus.
In
the following situations,
the
camera may be unable
to
focus
using contrast-detect autofocus:
• The camera
is
not
mounted on a tripod
• The subject contains lines parallel
to
the
long edge
of
the
frame
• The subject lacks contrast
• The subject in the focus
point
contains areas
of
sharply contrasting
brightness, or the subject
is
lit by spot lighting
or
by a neon sign or other
light source
that
changes in brightness
• Across (star) filter or other special filter
is
used
• The subject appears smaller than the focus
point
• The subject
is
dominated by regular geometric patterns
(e.g.,
windows
in a skyscraper)
• The subject
is
moving
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