Olympus Stylus Zoom 115 - Manual (Page 25)

USING THE FOCUS LOCK
To avoid taking out-of-focus pictures
When the main subject is not within the
autofocus mark. Use the focus lock.
The autofocus mark must be positioned on the subject in
this case, the camera will focus on the background behind
the subjects and the subjects will be out of focus.
Autofocus mark
Position the autofocus mark on your
subject and press the shutter release
button halfway.
The green lamp lights.
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