About The Zoom Ring - Pentax Digital Camera Lens Operating Manual

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The zoom lens has a focusing ring at the front and a zoom ring behind it.
Turn the zoom ring to set the desired angle of view (lens focal length).
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Memo:
• The focusing point may shift slightly by changing the focal length. First adjust the zoom
and then adjust focus.

About the zoom ring

Turn the zoom ring clockwise for telephoto and counterclockwise for wide-angle.