6.1 ZOOM ROTATION ADJUSTMENT
That adjustment aligns the axis of the anamorphic group of the lens with the
axis of the sensor or film gate of the camera.
Unscrew the 3 locking screws (14) with a small screwdriver to remove rear
cover ring (15) (the black ring).
Unscrew the 4 locking screw (22) to remove the tracking cover ring (the red
ring).
Install the lens on a camera and shoot an object with a rectangular shape.
Untighten the 4 rotation locking screws (20) with a 1.5 mm Allen key.
Picture 10
Figure 10
44
OPTIMO 30-72 A2S
6 - ZOOM ROTATION ADJUSTMENT I REGLAGE D'ORIENTATION
With two 1.5 mm Allen keys, untighten the left rotation adjustment screw (21)
in one direction and the right screw in the opposite direction until you reach a
good rectangular shape on the camera view finder.
Screw the 4 rotation locking screws back.
Screw the 4 locking screws back to reinstall tracking cover ring (the red ring).
Screw the 3 locking screws back to reinstall rear cover ring (the black ring).
Picture 11
Figure 11