16
3.7
ZOOM LENS
BACKFOCUS
ADJUSTMENT,
continued
5.
Loosen the backfocus lock screw.
6.
Adjust the backfocus ring for the clearest picture.
7.
Adjust the zoom on the lens to the far telephoto
position.
8.
Adjust the backfocus ring for the clearest picture.
9.
Adjust the zoom on the lens back to the widest
picture.
10.
Readjust the backfocus for the clearest picture.
11.
Tighten the backfocus lock screw.
12.
Repeat the previous steps as many times as
necessary to maintain a clear picture through the
entire zoom range.
IMPORTANT:
Verify that the camera remains
in focus after tightening the lock screw. On
occasion, tightening the lock screw can
cause the camera to be slightly out of focus.
