22
Troubleshooting
5
Misuse of the product, although it does not cause a malfunction, may adversely affect performance. If any of
the following troubles come, be sure to check the following table for possible causes before requesting
service.
If the troubles cannot be resolved by taking the following measures, contact your nearest Nikon
representative.
Troubleshooting on Image Viewing
Trouble Cause Countermeasure
The product is not installed properly.
Install the product correctly. (p.16 to
21)
The optical path selector lever on the
eyepiece tube is located in an
intermediate position.
Adjust the lever correctly. (p.8)
The nosepiece is not rotated to the
clickstop position. (For triple nosepiece)
Rotate the nosepiece to the clickstop
position and move the objective into
the optical path. (p.11)
Dirt or dust is attached to the lens
(objective and eyepiece) or the
specimen.
Clean the lenses and specimen. (p.24)
The opening size of the aperture
diaphragm is too small.
Increase in the opening size
appropriately. (p.14)
The field of view is vignetted,
not visible, or uneven in
brightness.
Or the image is too dark.
An unnecessary filter is in the optical
path.
Set only a necessary filter into the
optical path.
Dirt or dust is attached to a lens
(objective and eyepiece).
Clean the lenses. (p.24)
Dirt or dust is attached to the
specimen.
Clean the specimen.
Dirt or dust is seen in the
field of view.
The opening size of the aperture
diaphragm is too small.
Increase in the opening size
appropriately. (p.14)
The image is partially dim. The stage is inclined. Attach the stage correctly. (p.18)
The specimen is inclined with respect
to the stage surface.
Place the specimen on the stage
correctly. (p.10)
The image moves during
operation.
The stage is inclined. Attach the stage correctly. (p.18)
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