Pentax smc -FA Operating Manual page 21

35 28
80 50
A 2216 11 8 5.6 3.5
Using the power zoom
Push the zoom ring forward until the word
"POWER ZOOM "appears on the ring, and
move the zoom ring to right or left to change
the focal length.
Using the manual zoom
Pull the zoom ring back to use as manual
zoom ring, the word "POWER ZOOM" disap-
pears.
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