Microscope Illuminator
Start-up
HBO 50
Focusing and centering the lamp
Carl Zeiss
M60-2-0014 e 05/2012
15
•
Turn adjusting screw (5/
1
) to move the
burner axially until the brighter cathode spot
(burner) and the darker cathode spot (mirror
image of lamp) appear approximately
equally large.
•
Using a ball-headed screwdriver (SW 3), turn
adjusting screws (5/
2
) and (5/
3
) to adjust
the brighter cathode spot vertically and
laterally until both cathode spots are lying
exactly side by side as shown below.
Fig. 7
Cathode spots after adjustment
–
Repeat the steps of adjustment, if
necessary, until you obtain a
satisfactory lamp image.
Adjustment with adjusting aid
•
Attach the HBO 50 illuminator to the
microscope stand following the description
given in the operating manual of the
microscope.
•
Pull out the adjusting aid of the upper part
of the microscope (8/
1
). The brighter
cathode spot of the lamp and its slightly
darker mirror image become visible on the
black-glass window of the adjusting aid.
•
Then, using a ball-headed screwdriver
(SW 3), turn adjusting screw (5/
1
) to adjust
the cathode spot so that the cathode spot
and the mirror image of the cathode spot
are focused simultaneously.
•
Using a ball-headed screwdriver (SW 3), turn
adjusting screws (5/
2
) and (5/
3
) to center
the cathode spot and its mirror image to the
centering circle of the adjusting aid.
1 Adjusting aid
Fig. 8
Adjustment of the Axio Scope
–
Make sure that the two cathode spots
of the HBO 50 illuminator do
not
completely overlap in the centering
circle of the adjusting aid, but only
slightly!
–
Repeat the steps of fine adjustment, if
necessary, until you obtain a
satisfactory lamp image.
