counterclockwise to release the stage, then clockwise to lock down the stage once you have set
the desired skew angle.
Focus adjustment over 2” (50 mm) is achieved by moving the stage horizontally toward or away
from the camera optics. This adjustment uses a hand wheel with a hand crank at the front of the
stage, as shown in Figure 2. Rotate clockwise to decrease the distance to the optics, counter-
clockwise to increase the distance.
Figure 2. Stage adjustments
Surface illumination
ring
Camera optics
Latch block for
X-axis. Raise lever
to disengage shaft.
Hand wheel for
X-axis (left-right)
Hand wheel for
focus control
Left locking lever
for skew angle
Vernier protractor
for skew angle
Hand wheel for
Y-axis (vertical)
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