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7) Condenser Vertical Position Adjustment
Use the condenser vertical motion lever to
move up the condenser till it touches the limit.
Then, slightly lower the condenser. If you
should see the diffuser image on the viewfield
background, slightly move up or down the
condenser till the diffuser image disappears.
8) Objective Selection
Rotate the revolving nosepiece to the desired objective magnification. (The objective will click into
place when rotated into position.)
Adjust the aperture diaphragm lever according to the selected objective (see the procedure 9)).
9) Aperture Diaphragm Adjustment
Set the condenser aperture diaphragm lever to
the same figure as the magnification of the
objective in the optical path.
Corresponding objective magnification
Aperture diaphragm lever
Condenser vertical motion lever
100× 40×60× 20× 10× 4×
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