8
3) Flangeback adjustment of zoom lens
1) Set the lens to telephoto and pickup an
image more than 3 meters distant. Turn
the focus ring to adjust the focus.
2) Set the lens to wide angle and while taking
care not to disturb the focus ring, turn the
flangeback adjustment ring to adjust the
focus.
Repeat the above steps until focus is
obtained at both the telephoto and wide
angle ends.