Pentax K100 D Operating Manual page 133

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Re-compose the picture while
keeping the shutter release
button pressed halfway.
• The focus is locked while the focus indicator ] is lit.
• Turning the zooming ring in focus lock mode may cause the subject to be out
of focus.
• The beep can be turned off. (p.170)
• You cannot set focus lock when the [AF Mode] in the [A Rec. Mode] is set
to k (Continuous mode), the Capture mode is set to \ (Moving Object)
or H mode is set to C (Kids) or E (Pet). In k (Continuous mode), \
(Moving Object) mode or C (Kids) or E (Pet) of H mode, the autofocus
continues to focus on the subject until the shutter is released. (Continuous
Autofocus)
Fixing Exposure when Focus is Locked
Set [AE-L with AF locked] in the [A Custom Setting] menu (p.106) to fix
the exposure value while focus is locked. Exposure is not fixed by default
during focus lock.
Off
1
On
2
AE-L with AF locked
Off
On
AE is not locked
when the focus
is locked
Exposure is not fixed when focus is locked.
Exposure is fixed when focus is locked.
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