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HARD-TO-AUTOFOCUS-SUBJECTS
3 While depressing the shutter release button
halfway, re-aim the camera or recompose the
picture, then release the shutter.
Note:
• You can release focus lock simply by lifting
your finger from the shutter release button.
The autofocus system is highly precise, but not
perfect. Some subjects may not focus as you wish.
In this case, use the focus-lock technique on an¬
other subject near the actual one and equidistant
from the lens. Subjects which may fool the
autofocus system include:
a) Extremely low-contrast subjects such as a white
wall or blue sky in the autofocus frame.
b) Subjects which don't reflect much light in the
autofocus frame.
c) Subjects with horizontal lines or with finely
complex or deatiled patterns in the autofocus
frame.
d) Subjects which are moving too fast.
e) Multiple
subjects
in
foreground
of
the
autofocus frame.
f) Subjects positioned against reflected light or
strong backlight or with extremely bright back¬
ground.
40
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