Pentax Lens - Manual (Page 18)

16
* An FA Zoom lens without
the power supply con-
tacts on its mount does
not have the zoom set
button and auto zoom
switch.
ZOOM LENS
28-105
5 2
ft
m
A 22 16 11
8 5 .6
PA AS
POWER ZOOM
105 50
28
Focusing ring
Zoom ring
Aperture-A lock button
Aperture index
(for longer focal
length) Aperture index
(for shorter focal
length)
Auto zoom switch
Zoom set button