National DC5-169 Series Instructions Manual page 2

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Eyepiece
Interpupillary
scale
Viewing head of
microscope
Revolving nosepiece
Objective lenses
Specimen holder
(mechanical stage)
Stage
Abbe condenser 1.25
N.A.
Iris diaphragm lever
Filter holder
Control knob for
Abbe condenser
Illuminator condenser
Base
Power Switch
INTRODUCTION
Light intensity
control knob
Power Port
2
LED indicator light
Sliding interpupillary adjustment
grips located on both left and
right side of diopter scale
Three position sliding rod
Mark on side of eyepiece tube
for indexing diopter reading
Knurled locking screws
(
for securing specimen
holder to stage)
Coarse focus
Fine focus
Knobs controlling X
and Y movement of
mechanical stage
USB Port
Arm
knob
knob

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