Pentax DA 15mm F4 ED AL Limited Operating Guide
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How to use the Quick-Shift Focus System
1. Using Autofocus
Set the focus mode switch to autofocus, then press the shutter release button halfway
to autofocus.
* Depending on your camera model, you can focus by operating buttons on the camera
to autofocus.
* Depending on your camera model, you can focus by operating buttons on the camera
body. For details on how to set and use available functions of the buttons, refer to your
camera operating manual.
camera operating manual.
2. Hold down the shutter release button halfway, then turn the focusing ring to finely
adjust focus.
3. Finally, press the shutter release button fully to take a picture.
The focusing ring on some lenses may rotate during autofocus.
• Do not touch the focusing ring while autofocus is operating as it may cause a
• Do not touch the focusing ring while autofocus is operating as it may cause a
malfunction. For more information see the “CAUTION” on page 17.
DA Lens_ENG.book Page 19 Monday, January 3, 2011 11:45 AM