3. Glaring Observation
The condenser is too low.
Move it up.
14
image
The condenser iris
Increase the aperture to
diaphragm dial is set too
about 80% 14&15
narrow.
4. The observed image is
Objective is not engaged in
Engage the objective in po-
7
whitish-blurred or
the light path.
sition until it clicks.
unclear.
The objective, eyepiece,
Clean them thoroughly.
condenser and/or specimen
V
glass is dirty.
Immersion oil is not used
Use immersion oil
24
with immersed objective.
Bubble is mixed in the imm-
Remove the bubble.
25
ersion oil.
The specified immersion oil
Use the specified immersion
24
is not used.
oil.
5. Part of image is
Objective is not engaged
Engage the objective in po-
7
defocused or image
properly in the light path.
sition until it clicks.
looks like it’s flowing.
The specimen is not set
Set the specimen correctly
properly on the stage.
on the stage and fix securely 10&11
using the specimen holder.
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