21
7. MICROSCOPE ADJUSTMENT AND OPERATION
7.1 Interpupillary
distance
Adjust the two eyepiece tubes until a single circular field of view can been seen through the two
eyepieces (Fig.30 and Fig.31). If two separate circular fields of view appear, the interpupillary distance
is too large. If two overlapping fields of view appear, the interpupillary distance is too small.
Fig.30
Fig.31
7.2 Focus and diopter adjustment
Adjust the height of the focusing mechanism according to the working distances listed in the
appendix. Next, rotate the diopter adjustment rings on the observation tubes until the O lines up
with the marker line on the side of the tube (the zero position). (Fig.32)
Fig.32
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