Pentax K-5 Operating Manual page 132

6
Press the four-way controller ( • )
and use the four-way controller
(A v) to select [Enable AF].
AF is performed when
the AF button is pressed
Autofocus is performed by using the AF button or the
Enable AF
shutter release button. (default setting)
MF appears in the viewfinder while the AF button is
Cancel AF pressed. Autofocus is not performed when the shutter
release button is pressed. (Take your finger off the AF
button to return to normal autofocus mode.)
Press the OK button.
Press the
MENU
button three times.
The camera is ready to take a picture.
Press the
AF
button while
looking through the viewfinder.
Autofocus is performed.
7
When the AF button is pressed and the subject comes
AES
into focus, the Focus Lock function is activated while
Single mode the button is pressed.
AF.C The subject is kept in focus while the AF button is
Continuous mode pressed.
Press the shutter release button.
When [Enable AF] is assigned to [Shutter Button Half Press] in [Button
Customization], press the shutter release button while holding down the
AF button.
The picture is taken.