Pentax K200D - Manual (Page 109)

107
Shooting Functions
4
If the subject is outside the range of the focusing area, the camera cannot
automatically focus on the subject. In this situation, set [AF Mode] to
l
(Single mode). You can aim the focusing area toward the subject, use
focus lock and recompose the picture.
1
Frame the desired composition
for your picture in the
viewfinder.
Use focus lock function when the
subject you wish to focus on is not
inside the focusing area.
2
Center the subject to focus in
the viewfinder and press the
shutter release button halfway.
The focus indicator
] appears and
you will hear a beep when the subject
comes into focus. (When blinking, the
subject is not in focus.)
3
Lock the focus.
Keep the shutter release button pressed halfway. The focus will remain
locked.
Fixing the Focus (Focus Lock)
(Example) The person is out of
focus and the background is
focused instead.