Nikon DIAPHOT 300 - Page 12

7. M o ve the 10 x objective into
the optical path.
Move the 10x objective into the optical
path by rotating the revolving nosepiece
securely into the clickstop.
8. A djust the eyepiece diopter.
Turn down the reticle in/out lever to the
right to bring the photomask into the
optical path.
Rotate the diopter adjustment ring on
each eyepiece to bring the photomask's
double crosshairs into sharp focus. (Be
sure to perform this step for each eye,
as correct focus for each eye is usually
different.)
If the optional rubber eye guards are
used and if you wear glasses, fold
down the rubber eyeguards.
9. A djust the interpupillary distance.
Adjust the interpupillary distance until
the viewfield is visible as a single image
through both eyepieces.
Figure 2-9