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Problem
g) Dust or dirt is visible in the field
of view.
h) The observed image glares.
i) The visibility of the observed
image is poor.
· The image is not sharp.
· The contrast is poor.
· Details are poorly visible.
j) The one-sided blur appears in
the observed image.
k) During DIC observation, the
interference color appears, but
the color is uneven.
l) The DIC effect is poor.
Cause
Dirt or dust on lamp.
Dirt or dust on sample.
Dirt or dust on eyepieces or
objective.
Dirt or dust on dummy slider or
scale slider.
The aperture diaphragm is
narrowed down too far.
The objective applicable to
UIS2(UIS) series is not used.
The lamp housing is not attached
properly.
The objective is not properly
engaged in the light path.
Dirt or dust on the tip of objective.
Dirt or dust on sample.
The aperture diaphragm is not
adjusted appropriately.
The lamp housing is not attached
properly.
The objective is not properly
engaged in the light path.
The stage is not mounted properly. Attach the stage properly.
The stage center plate is not
attached properly.
The sample on the stage is tilted.
The position of the DIC slider
selection lever is not correct.
The objective applicable to DIC
observation is not used.
The sample tilt orientation is
perpendicular to the orientation
with best detection sensitivity.
The analyzer is rotated to the
improper position.
The DIC prism is attached in an
inappropriate orientation.
Remedy
Clean them completely.
Adjust it properly.
Replace with the objective
applicable to UIS2(UIS) series.
Push it to the stop position
completely and secure it.
Set it to the click position of the
revolving nosepiece properly.
Clean them sufficiently.
Narrow down the aperture
diaphragm between 70% and 80%
of the numerical aperture of the
objective.
Push it to the stop position
completely and secure it.
Set it to the click position of the
revolving nosepiece properly.
Attach it properly.
Place the sample on the stage
properly.
Change the position of the DIC
slider selection lever according to
the objective type.
Use the objective applicable to DIC
observation.
Rotate the sample so that it is
tilted in the orientation with best
detection sensitivity.
Rotate the analyzer to the position
with best contrast.
Attach it properly.
GX53
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