CARE, FUSE REPLACEMENT AND SERVICE
ZEISS
Troubleshooting
Axiolab 5
122
430037-7444-001
05/2019
Problem
Cause
Solution
Asymmetric image sharpness,
e.g. one side is sharp, one is
side blurred.
Condenser is not correctly adjusted.
Adjust the condenser correctly;
see p. 81 ff.
Nosepiece is not engaged in its locking
position.
Engage the nosepiece in its locking
position (click-stop).
The specimen has not been fixed on the
mechanical stage.
Insert and fix correctly in the specimen
holder.
Distinct focus differences when
changing the objective.
Focusable eyepieces are not adjusted
correctly or a Pol eyepiece was used in a
binocular tube without upright image.
Adjust the focusable eyepieces
according to the vision defect,
see p. 79.
Objective is not screwed in all the way.
Screw the objective in to the stop.
Tube lens is not mounted, or mounted
unnecessarily.
Mount the tube lens or remove it, as
appropriate.
Left and the right field of view
cannot be brought together in
one image.
Eyepiece distance (inter-pupillary
distance) is not adjusted correctly.
Adjust the inter-pupillary distance
correctly;
see p. 79.
Focusable eyepieces are not adjusted
correctly.
Adjust the focusable eyepieces
according to the vision defect,
see p. 79.
Eye fatigue when using the
microscope.
Eyepiece distance (inter-pupillary
distance) is not adjusted correctly.
Adjust the inter-pupillary distance
correctly;
see p. 79.
Focusable eyepieces are not adjusted
correctly.
Adjust the focusable eyepieces
according to the vision defect,
see p. 79.
Image brightness is unacceptable.
Adjust the lamp voltage or insert a
conversion filter.
Binocular tube is optically/mechanically
misaligned.
Call in service personnel for
check/repair.
Dirt or dust in the field of view. The condenser has not been correctly
focused and front lens 0.9 not swiveled
in/out correctly.
Focus the condenser and swivel front
lens correctly in or out;
see p. 81 ff.
Opening of the aperture diaphragm is too
small.
Set the aperture diaphragm as per
2/3 rule or the specimen features;
see p. 81 ff.
Dirt or dust on optical surfaces of
objectives, eyepieces, condensers, filters
or specimens.
Clean the optical surfaces of the
soiled components,
see p. 119.
