Olympus Accura View Zoom 90 - Manual (Page 25)

When the main subject is not
within the autofocus mark. Use
the focus lock.
Autofocus mark
1. Position the autofocus
mark on your subject and
press the shutter release
button halfway.
The autofocus mark lights when
the shutter button is pressed.
At this time, the exposure is also
locked.
The focus lock is released when
you take your finger off the
shutter button.
USING THE FOCUS LOCK
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