National DC-128 Instructions Manual page 2

Compound biological microscope with digital camera
Table of Contents

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Eyepiece
Eyepiece locking set
screw
Eyepiece tube
Revolving nosepiece
Objective lenses
Specimen holder
(mechanical stage)
Stage
Abbe condenser 1.25 N.A.
Iris diaphragm lever
Swing-out filter holder
Light House
Light On/Off Switch
Base
4.5 volt
DC input
USB output
terminal
LED indicator light
Rack stop
adjustment screw
Knurled locking screws
(for securing specimen
holder to stage)
Tension adjustment
collar
(behind focus knob
on left side)
Coarse focus
Knobs controlling
X & Y movement of
mechanical stage
Fine focus knob
Rheostat intensity
control knob
4.5 volt DC recharger
Head
Arm
knob

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