CX21 MAINTENANCE MANUAL MAINTENANCE PROCEDURE
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2-2 Cleaning method for the optical components
Required tools:
1) Lens tissue
2) Cotton swab or tweezers etc.
3) Blower
4) Magnifier (Eyepiece is possible to be used by turning it upside down. Refer to page 10.)
5) Cleaning solution: e.g. Alcohol
Before cleaning: Lightly brush the lens surface or blow with the blower before wiping with tissue.
This removes particles that may scratch the lens surface. (to protect the lens
coating)
HOW TO CLEAN THE OBJECTIVE LENS
1 2 3 4
Moisten the tip of
cotton swab with
cleaning solution.
With a circular motion,
wipe the top lens
surface with the cotton
swab, to thoroughly
remove any oil or dirt
from the lens.
Dip a new cotton swab
in the cleaning solution
and shake vigorously
to remove any excess
cleaning solution.
Wipe the objective lens
from the center
towards the periphery,
while rotating the lens.
When the lens size is large and difference in level
between the lens and the lens frame is small:
Fold the lens tissue several times and moisten it
with cleaning solution.
After that, apply the folded line edge to the center
of lens, push it with index finger and turn the
objective by the other hand to clean the lens
while moving it from the center towards the
periphery.
Cleaning the immersion objective:
Wipe off the immersion oil while absorbing it with
lens tissue that is not moistened. After that, clean
the lens as the same manner mentioned on the
left. When the top surface of lens frame is higher
than that of lens and remained dirty portion on
the periphery of lens can not be wiped off, clean
the lens referring the above figures, 1 to 4.
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