103
MX63/MX63L
103
Set the observation light path selection knob
a
to the BF position.
Press the objective selection button
b
to engage the 10X objective
in the light path and bring the sample into focus approximately.
It is recommended to use a highly reflective sample, such as
a mirror, etc. to facilitate observation of the aperture diaphragm
image.
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)
Aperture diaphragm image
30%
70%
Pupil of eyepiece
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
.
2
4
5
a
e
f
d
b
c
15
Centering of the aperture diaphragm of
reflected light illumination