Focusing; Using The Autofocus - Pentax K-m/K2000 Operating Manual

Focusing

You can focus with the following methods.
Autofocus
=
Manual focus
\

Using the Autofocus

You can also choose the autofocus mode from l (Single mode) where
the shutter release button is pressed halfway to focus on the subject and
the focus is locked at that position, and k (Continuous mode) where
the subject is kept in focus by continuous adjustment while the shutter
release button is pressed halfway. The f (Auto) option automatically
switches between l and k. The default setting is f.
1 Setting the AF Mode (p.111)
1
Set the focus mode lever to =.
The camera automatically focuses on the subject
when the shutter release button is pressed halfway.
Manually adjust the focus.
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