Olympus BHS-313 Manuale di istruzioni - Pagina 20
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Phenomenon
Cause
Remedy
e)
Resolution problems:
e
Image is not sharp.
e Insufficient contrast,
® Image details lack defi: |
nition.
|
Non
Olympus
objectives
are
used.
Use Olympus LB series objec-
tives.
Nosepiece
is
not
correctly | Insert nosepiece dovetail
into
mounted,
microscope frame all the way,
then lock.
Objective
is
not
correctly | Click nosepiece into place,
positioned
in the light path.
Objective correction collar is
not adjusted.
Rotate correction collar, keep-
ing
specimen
in
fine
focus
until optimum
resolution
is
obtained.
Dust on objective front lens.
Clean front lens.
Immersion
objective
is not
used with immersion oil.
Use immersion oil.
Bubbles in immersion oil.
Remove
bubbles
(and
reap-
ply oil).
Immersion
oil
designated
by
Olympus is not used,
Use Olympus
immersion oil.
Dirty specimens.
Dust on condenser lens.
Clean.
f) Field of view is partially
out of focus, or image is
partly out of focus.
Nosepiece
is
not
correctly | Insert nosepiece dovetail
into
mounted,
microscope frame all the way,
then lock.
Objective
is
not
correctly | Slightly rotate nosepiece until
positioned in the light path.
it clicks in place.
Specimen
is
not
correctly
positioned on stage.
Place specimen slide correctly
on stage, and place stage clips
Open it.
Specimen
image is partial-
ly out of focus.
Nosepiece
is
not
correctly | Insert nosepiece dovetail
into
mounted.
microscope frame all the way,
then lock.
Objective
is
not
correctly | Slightly rotate nosepiece until
Positioned
in the light path.
it clicks into place.
Condenser is not centered.
Center condenser.
Field
of
view
becomes
only
slightly
brighter
by
increasing voltage.
Condenser
centered.
is
not
correctly
Center condenser.
Condenser
is
lowered
much.
too
Adjust condenser height.
. Electric System
Illuminator
is too
bright
(or too dark)
even
when
adjusting control lever.
Voltage for illuminator
cannot be raised,
Line
voltage
selector
switch
is
not
matched
with
local
mains voltage.
Match
selector
switch
to
mains voltage.
18