Pentax *ist IST DS - Manual (Page 128)

126
5
F
uncti
on Re
ferenc
e
4
Re-compose the picture while
keeping the shutter release
button pressed halfway.
Set [AE-L with AF locked] in the [A Custom] menu (p.100) to fix the
exposure value while focus is locked. Exposure is not fixed by default
during focus lock.
• 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.163)
• You cannot set focus lock when capture mode is \ (Moving Object).
Autofocus is active until shutter is released. (Continuous Autofocus)
Fixing Exposure when Focus is Locked
1 Off Exposure is not fixed when focus is locked
2 On Exposure is fixed when focus is locked
AE-L with AF locked
AE is not locked
when the focus
is locked
Off
On