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A Note on Wide- and Super Wide-Angle Lenses
Autofocus may not provide the desired results in situations like those
shown below.
1 Objects in the background occupy more of the focus point than the main subject:
If the focus point contains both
foreground and background objects,
the camera may focus on the
background and the subject may be
out of focus, particularly with wide-
and super wide-angle lenses.
2 The subject contains many fine details.
The camera may have difficulty
focusing on subjects that contain
many fine details.
In these cases, use manual focus, or use focus lock to focus on another
subject at the same distance and then recompose the photograph. For
more information, see "Getting Good Results with Autofocus" (0 86).
386 Technical Notes
Example: A far-off portrait
subject at some distance from
the background
Example: A field of flowers
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