SM-4 Series Stereo Microscope
AmScope Proprietary Page 32 of 37
Focusing Knobs
The focusing knobs focus the objective lens by
changing the distance between the objective lens and
the stage.
When you are focusing a microscope, you focus one
eye at a time. With one eye shut, you focus the
objective lens first, using the focusing knobs.
Gooseneck Illuminator
Illuminator independent of the
unit that allows movement of one
or two necks for controlled
lighting.
Head Lock Screw
The lock screw allows you to adjust the focusing rack.
Loosening the screw allows you to move the
microscope head up and down. Tightening the screw
locks it into place.
Please note that although there are three holes, there is
only one screw.
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