Pentax FA and F zoom lens incorporate "two- hand" type rings: it has separate focusing and zooming ring. You can set your desired focal length by turning the zoom ring.
It may shift the focusing point slightly by changing the focal length. First, adjust zoom- ing and then adjust focus using Autofocus or focus indicator in the viewfinder.
The following zoom lenses also refer to its operating manual.
FA★
FA★
FA★
The following lenses have power supply con- tacts to capable power zoom function with the
FA★
FA★
FA★
POWER ZOOM LENS
Auto zoom functions
The FA Zoom lens with power contacts com- bined with
1.Zoom clip mode to
2.Image size tracking mode to maintain the image size (magnification value) regardless of the distance to the subject.
3.Zoom effect mode to zoom automatically during an exposure.
Auto zoom switch and Zoom set button
1.P (Power zoom), PZ in some lenses Set to this position in power zooming
2.A (Auto zoom), AZ in some lenses Set to this position for Auto zoom
3.AS (Auto zoom set), MODE in some lenses Set this position to select the type of Auto zoom function.
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