Olympus DP23 Manuel d'instruction - Page 25
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Problem: The acquired image is not in focus
Possible cause
The microscope was not focused
on the sample.
The parfocality between the
camera adapter and the
eyepieces is not adjusted
properly.
The aperture diaphragm of the
condenser is too wide open.
The field diaphragm is too wide
open.
Lens components of the
microscope and the cover glass
on the bottom of the camera are
dirty.
The microscope and camera are
being subjected to vibration
during acquisition.
Remedy
Focus the microscope on the sample.
Adjust the parfocality between the
camera adapter and the eyepieces
properly.
Set the aperture diaphragm to 75% of the
objective's numerical aperture and focus
the microscope on the sample.
Narrow the field aperture appropriately
and focus the microscope on the sample.
Clean the objective, condenser, window
lens of the microscope, and the cover
glass on the bottom of the camera (see
page 21).
Acquire images in an environment where
the microscope and camera are not
subjected to vibration. It is effective to use
an anti-vibration table.
7 Troubleshooting
25