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a
c
b
d
Centering of the aperture diaphragm of
15
reflected light illumination
Set the observation light path selection knob a to the BF position.
1
Press the objective selection button b to engage the 10X objective
2
in the light path and bring the sample into focus approximately.
TIP
e
f
3
When you remove the eyepieces and look into the observation
tube, you can see the aperture diaphragm image. Push the aperture
diaphragm open/close button c to adjust so that the aperture
diaphragm image becomes approximately 70% of the pupil of the
objective. (as shown in the picture below)
4
If the center of the aperture diaphragm is deviated, insert the Allen
screwdriver provided with the microscope frame to loosen the aperture
diaphragm clamping screw d (approximately one to two turns).
Then, insert the Allen screwdriver in the aperture diaphragm centering
screws e and f alternately and rotate them to center the aperture
diaphragm.
Tighten the aperture diaphragm clamping screw d .
5
It is recommended to use a highly reflective sample, such as
a mirror, etc. to facilitate observation of the aperture diaphragm
image.
30%
Aperture diaphragm image
Pupil of eyepiece
MX63/MX63L
70%
103
103
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