50
Possible errors
Poor image quality due to use of objectives
without pupil position D.
Try improving the image quality as follows:
Reverse the IMC modulator (lettering to the
rear). Adjust the slit so that sufficient coverage
is achieved to avoid glare.
Short of optimum position of the slit-diaphragm.
The IMC modulator or the IMC slit-diaphragm
slide are not locked in the IMC position.
Incorrect condenser level or wrong condenser
(only S 55 condenser possible!).
Fluorescence filters are not disabled.
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