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24
Focus Lock
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ii _TheAF-AssistHiuminator
Althoughthe camera boasts a high-precision i ithesubject ispoorly lit,the AF-assist
illuminator
will
autofocus
system, itmay beunable tofocus o ntile ' lighttoassist tilefocus o peration when tileshutter
subjects listed b elow. Ifthecamera isunable tofocus button ispressed
halfway.
using a utofocus,
use focus l ock (pg. 23) t ofocus o n
another subject at the same distance andthen
tilephotograph.
AF-dJssis_ i//umin_or
• - Notes
• Avoid shining the AF-assistilluminator directly into
Very shiny subjects such
Fast-moving subjects,
your subject's eyes. Seepage 86 for irlformation on
asmirrors or car bodies.
....
disabling tile AF-assistilluminator.
• Subjects photographed through a window or other
• Tile camera may be unable to focus using tile AF-
reflective object,
assist illuminator in some cases. If tile camera is
Dark subjects and subjects that absorb rather than
unable to focus in macro mode (pg. 25), try
reflect light, such as hair or fur..
increasinq tile distance to the subject.
[ Insubstailtial subjects, such as smoke or flame.
• The AF-assistilluminator is not available in _IL, tot,,,
Subjects
thatshow htt e contrast w th the
..........................
background._ (for example, subjects in clothing that is
the same color asthe background).
• Subjects positioned in front of or behind a high-
contrast object that is also in the focus frame (for _
example, a
subject
photographed
against a
backdrop of highly contrasting elements).
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