16
7
Adjusting the diopter.
The diopter adjustment is to compensate for the difference in eyesights
of left and right eyes of the observer.
Rotate the diopter adjustment rings
a
of the right and left eyepieces
and move each scale “0” to each index
b
.
Engage the 10X objective in the light path and rotate the coarse/fine
focusing knobs to bring the specimen into focus.
Change to the 40X objective, and rotate the coarse/fine focusing knobs
to bring the specimen into focus.
Change to the 10X objective. While looking through the right eyepiece
with your right eye, rotate the diopter adjustment ring
a
to bring the
specimen into focus.
In the same manner, while looking through the left eyepiece with
your left eye, rotate the diopter adjustment ring to bring the specimen
into focus.
Change to the 40X objective again, and rotate the coarse/fine focusing
knobs to bring the specimen into focus.
Change to the 10X objective, and check that the specimen is in focus
by looking through the right and left eyepieces.
If the specimen is not in focus, repeat from
4
to
6
.
1
2
3
4
5
6
0 10 20 30 40 50 60 70 80 90 100
Eyepiece micrometer
a
For attaching the eyepiece micrometer, see page 28.
b
a
While looking through the eyepiece equipped with the eyepiece
micrometer, rotate the diopter adjustment ring
a
to adjust so that
the scales and lines of the eyepiece micrometer can be viewed clearly.
Engage the 10X objective in the light path. While looking through the
eyepiece equipped with the eyepiece micrometer, rotate the coarse/
fine focusing knobs to bring the specimen into focus.
While looking through the eyepiece which is not equipped with the
eyepiece micrometer, rotate the diopter adjustment ring
a
to bring
the specimen into focus.
1
2
3
When the eyepiece micrometer is attached to the eyepiece
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