Pentax K-r Operating Manual page 135

5
Recompose the picture while
keeping the shutter release
button pressed halfway.
• The focus is locked while the focus indicator ] is displayed.
• Turning the zoom ring with the focus locked may cause the subject to be out
of focus.
• The beep that sounds when the image is focused can be turned off. (p.269)
• You cannot set the focus lock when [AF Mode] is set to k (Continuous
mode), or the capture mode is set to \ (Moving Object) of Picture mode, or
n (Stage Lighting), R (Kids), Y (Pet) or l (Night Snap) of H (Scene)
mode. In such cases, the autofocus continues to focus on the subject until
the shutter is released (Continuous Autofocus).
Locking Exposure when the Focus is Locked
Set [5. AE-L with AF Locked] in the
[A Custom Setting 1] menu (p.89) to
lock the exposure value while the focus
is locked. By default, the exposure is
not locked when the focus is locked.
Off Exposure is not locked when the focus is locked. (default setting)
1
On Exposure is locked when the focus is locked.
2
5. AE-L with AF Locked
1 Off
2 On
AE is locked
when the focus
is locked
MENU
Cancel
133
4
OK OK