Zeiss Axioskop 2 plus Operating Manual page 45

Axioskop 2 plus
Axioskop 2 mot plus
• If required, set knurled knob (2-16/6) and adjusting screw (2-16/4) alternately until both focal spots
have the same dimension (see Fig. 2-18).
• Use adjusting screws (2-16/1 and 3) to adjust the brighter focal spot in the adjusting circle, e.g. on the
left side, in the same way as the focal spot image (2-19).
• Use adjusting screws (2-16/2 and 5) to adjust the dark focal spot in the adjusting circle, e.g. on the
right side, in the same way as the focal spot image (2-16/7 and 2-18).
• Push in adjusting aid again.
☞
The two focal spots of the HBO 103 W/2 lamp must not superimpose in the adjusting circle of
the adjusting aid!
If required, the above settings for fine adjustment of the HBO 103 illuminator can be
performed repeatedly.
Fine adjustment without adjusting aid
• Attach HBO 103 illuminator to microscope
stand as described in section 2.1.11 (2).
• Remove one objective from the nosepiece and
switch empty opening in function position.
• Place a white sheet of paper on the mechanical
stage.
• Fully open the precentered luminous-field and
aperture diaphragms
illumination beam path.
• The pupil image with the two focal spot images
is now visible on the white sheet of paper.
If required, reduce
attenuation filters
6-position filter slider.
• Use knurled knob (2-16/6) to focus on the
brighter focal spot via collector adjustment.
• Apply SW 3 ball-headed screwdriver on adjusting screw (2-16/4) to focus on the slightly darker,
reflected focal spot of the lamp.
• If required, set knurled knob (2-16/6) and adjusting screw (2-16/4) repeatedly until both focal spots
have the same dimension.
• Use adjusting screws (2-16/1 and 3) to set the brighter focal spot in accordance with Fig. 2-20.
• Use adjusting screws (2-16/2 and 5) to set the darker focal spot in accordance with Fig. 2-20.
B 40-075 e 10/03
Initial start-up
in the incident-light
light intensity using
in the 3-position
START-UP
Fig. 2-20 Focal spot imaging without
or
adjusting aid on the mechanical
stage
Carl Zeiss
2-13