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8
TROUBLESHOOTING GUIDE
I
~
-
-
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If you
are unable
to
obtain
full performance fr
o
m
your
microscope
because
of
vour
unfamiliarity,
please
consult
witll
tile tabl
e
below as pointers for troub leshoot ing
·
Trouble
Cause
Remedy
·---
-
1. Optical
system
a)
Field
of vi
ew
is cu
t
off,
or
Nosepiece is not
clicked
into
place.
SI ightly
rotate
the
nosepiece until
it
ill
umiflated irregularly.
clicks
into
position. {p
.
11)
Condenser
IS
not
correctly
mounted
A
s-insert t
he
cond
enser
all the
'~'!aY
on
the
condense
r
holder.
without
t
il
t. (p. 7}
F-ield
iris dlap
hragm
is
not centerecJ.
Cen
ter
H
correctly. (p
1
1)
Floald
iris
dl<lPhragm is
st
opped
down
Open it
properly. (p
12)
too
much.
Du
st or
dirt on
ob jective,
eyepiece,
Clean
ea
ch
lens
or glass.
condenser
or
light exit glass on
micro-
scope
base
b) Dust or dirt
is
visible
in
Du
~
t
on the
ligh
t
exit glass on the
ml
-
th
e
field
o
f
view.
croscope
base
Du
st
on
the
condenser 1op lens
Remove dust
or dir
t,
or clea
n
the spe-
I
cimen.
Dirty
specimen
I
Dusr
on eyepiece
c)
Excessive irnilge contrast
Condenser is lowered too
much.
Raise
the
condenser.
(p.
71
Aperture
lr
i.s
diaphragm is
stopped
Open th
e
d iaphragm
.
(p.
12)
down
excessively.
·-
d)
Resolwion
problems:
Objective
is
not correctly engaged in
Slightly rotate
th
e
nosepiece
until it
• Image
is not sharp.
the light
path.
cli
cks
into
position. (p.
1 l)
• In
suf
f
icient
contrast
Oh·
t on
the
objective
fron
t lens
Clean
the
objective.
• I
m age details
lack
objective is used
Apply
immersion
oil.
(p.
13)
definition.
I
rnme
rsion
•.vithout
im mersion
oil
.
Bubbles
in
the
imm er~iol)
oil
Rem
ove
bubbles.
(
p.
13)
Olympus
imr.
ersion oil
is
not
w;ed
.
Use
0
lympus immersion
oi
l
.
Dirty
spec,men
Clean the
specimen,
eyep iece
or
con
·
Dust
on eyepiece
or condenser
top
lens
den ser
lens.
e) Fiel
d
of view is partially
ObJective
is
not correctly positioned
in
Slightly rotate
the
nosepiece
until
it
o
ut
of
focus.
the light
path.
clicRs
into position. (p.
11)
Specimen
IS
not
co
rrectly
placed on
Replace it
on
the
stage
correctly
and
the
stage.
secure
it
with
the
specimen holder or
stage
clips.
(p 9)
r--
I) Image
is
tinted yellowish
.
Bl
ue
111
ter is
not
engaged.
Engage blue
filter.
(p. 8)
·---------------------------------------------------------
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