Focusing; Changing The Focus Mode; For The Da Lens - Pentax smc -DA Operating Manual

Changing the Focus Mode
Use the camera's focus mode switch to change between autofocus mode and manual focus
mode. For details, refer to your camera operating manual.
For the DA
*
lens
The focus mode switch on the DA
*
lens is used to
change between the autofocus and manual focus modes
(the focus mode switch on the camera is always set to
autofocus).
To use the autofocus, set the switch to the AF position.
To use the manual focus, set the switch to the MF
position.
smc
NTAX
DA*