ZEISS FIRST-TIME SET-UP Axio Imager 2
HAL 100 halogen illuminator
60 430000-7544-001 01/2016
3.29.3 Adjusting the HAL 100 halogen
illuminator
(1) Coarse adjustment
• Loosen clamping screw (Fig. 43/1 or Fig. 43/8)
and remove the operational halogen illuminator
(Fig. 46/2) from the microscope stand.
• Switch on the microscope as described in
Section 4.3.
• Direct the light beam to a projection surface
(wall) at least 3 m away.
Do not look into the light exit aperture
of the illuminator.
• Using the SW 3 ball-headed screwdriver turn
adjusting screw (Fig. 46/3) until both images of
the lamp filament appear as sharp as possible
on the projection surface.
• Then, turn adjusting screws (Fig. 46/4 and 5)
until the lamp filament of one image exactly fills
the gaps of the reflected filament image
(Fig. 46/1).
(2) Fine adjustment
• Reattach the microscope illuminator to the microscope stand and lock it with the clamping screw.
• Turn off the diffusion disk for reflected or transmitted light and remove the filter wheels from the
respective slot.
• Use ≤ 40x objective to focus on a free area of the specimen.
• Remove the eyepiece and, in the pupil image visible in the eyepiece socket, center the lamp filament
and its reflection with adjusting screws (Fig. 46/4 and 5).
• Using adjusting screw (Fig. 46/3) optimize the evenness of illumination of the pupil image.
It is advisable to use the adjusting aid (Fig. 76
/5) for fine adjustment of the halogen illuminator
mounted to the reflected-light
socket. After the adjusting aid has been pulled out, the lamp
filament and its reflection can be viewed directly in its viewing glass.
• Move the diffusion disk in and reinsert the filter wheels.
Fig. 46 Adjusting the HAL 100 halogen
illuminator
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