Pentax Lens - Manual (Page 19)

17
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 28-70mmf/2.8AL
FA 80-200mmf/2.8ED
FA 250-600mmf/5.6ED
The following lenses have power supply con-
tacts to capable power zoom function with the
K
AF2 -mount cameras. Refer to the camera's
operating manual for more details.
FA 28-70mmf/2.8AL
FA28-105mmf/4-5.6
FA70-200mmf/4-5.6
FA 80-200mmf/2.8ED(IF)
FA 250-600mmf/5.6ED(IF)
Auto zoom functions
The FA Zoom lens with power contacts com-
bined with K
AF2 -mount cameras can use fol-
lowing functions. Please refer to your cam-
era's operating manual for more details.
1. Zoom clip mode to pre-set or re-call the
focal length
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.
POWER ZOOM LENS