Pentax K-X Operating Manual page 7

Selecting the Focusing Area (AF Point)
Choose the part of the viewfinder to set focus to.
Auto Out of the 5 AF points, the camera selects the optimum AF
W (5 AF Points) 3oint even if the subject is not centered. (default setting)
Auto Out of the 1 1 AF points, the camera selects the optimum AF
(1 1 AF Points) 3oint even if the subject is not centered.
Sets the focusing area to the user selected point from
Ism Select eleven points in the AF area.
O Spot Sets the focusing area to the center of the viewfinder.
1 Press the
OK
button in Capture mode.
The [Select AF Point] screen appears.
2 Turn the e-dial to select the AF _
,A . ...............
point.
3 Press the OK button.
The camera is ready to take a picture.
, The focusing area Can also be set in the €ontrol panel
The AF point is fixed to I_ regardless of this setting when using lenses other
than DA, DA L, D FA, FA 3, FA or F lenses.