About Focusing - Pentax *ist Operating Manual

ABOUT FOCUSING

The autofocus mode (AF.S/AF.C), manual focus mode, and focus
point modes are explained here.
There are three main focusing methods.
1. Autofocus
The camera focuses automatically. There are two AF modes.
While you press the shutter release button halway:
• AF Single (AF.S) mode locks the focus, and
• AF Continuous (AF.C) mode adjusts the focus
continuously.
See pages 92 and 93 for details.
2. Manual focusing
You can adjust the focus manually.
3. Selecting the focus point
You can select the desired focus point in the viewfinder or fix
the focus point in the center position. See pages 96 and 97.
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