AmScope M620B Руководство пользователя - Страница 16
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Печатать страницуM620 Series
Common Issues
Symptom
Cause
The nosepiece if misaligned
One side of the field
of view is darker
Stains or dust has accumulated on the objective,
eyepieces, or base lens
Stains, dust, or dirt has accumulated on the speci-
Obstructions are
observed in the field
men
of view
Stains, dust, or dirt have accumulated on the lens
Unclear Image
There is no cover slip on the slide
The cover slip is not standard sized
The aperture is not open to an appropriate diam-
eter
Stain or dust has accumulated on the lens in the
inlet of the head
The specimen slide is not fixed
One side of the field
of view is dark or the
The nosepiece is not in the right position
image moves while
focusing
The field of view is not
The iris disc diaphragm is not big enough
bright enough
Stains, dust, or dirt has accumulated on the con-
denser, objective, eyepieces, or base lens
Remedy
OPTICAL ISSUES
Turn the nosepiece until it clicks into place
Clean all lenses with lens cleaner or a lint free non-
abrasive cloth
Clean the slide or use a new specimen if sample is
destroyed
Clean the lens
Add a cover slip. The objectives are designed for use
with a 0.17mm cover slip, so it is a requirement to
use one for proper images.
Replace the cover slip with the appropriate 0.17mm
thickness slip
Adjust the aperture to have the light just larger than
the size of the condenser
Clean the lens with lens cleaner or a nonabrasive
lint free cloth, as well as spray with compressed air
Secure the slide to the stage with clips
Turn the nosepiece until it clicks into place
Rotate the iris disc diaphragm to allow more light
to travel
Thoroughly clean tall lenses with lens cleaner or a
lint free nonabrasive cloth
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