24
Problem
Cause Remedy Page
c) Coarse adjustment will not go all
the way down.
Condenser holder is too low. Raise condenser holder.
32
d) Objective makes contact with speci-
men before focus is obtained.
Specimen is mounted upside down.
Mount specimen correctly.
–
4. Observation Tube
a) Field of view of one eye does not
match that of the other.
Interpupillary distance is incorrect. Adjust interpupillary distance. 16
Incorrect diopter adjustment. Adjust diopter. 16
Different eyepieces are used on left and
right.
Change on eyepiece to match the
other so that both sides are the same
type.
–
Your view is not accustomed to micro-
scope observation.
Upon looking into eyepieces, try look-
ing at overall field before concentrat-
ing on specimen range. You may also
find it helpful to look up and into dis-
tance for a moment before looking
back into microscope.
–
5. Stage
a) Image shifts when you touch stage. Stage is not properly mounted. Clamp stage. –
b) Specimen stops midway on the X-
axis traverse.
Specimen is not correctly positioned. Place specimen correctly.
13
c) X-axis and/or Y-axis knobs are too
tight or too loose.
X-axis and/or Y-axis adjustment knobs
are set at a position where tension is too
high or too low.
Adjust tension.
14
d) Stroke is decreased. Stage guide is deviated. Correct deviation as instructed on
page 14.
14
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