Zeiss Axiovert 200 Operating Manual page 89

Axiovert 200
3.3.1.3 Transmitted-light brightfield setting according to KÖHLER on the Axiovert 200
(manual)
Put the Axiovert 200 (manual) in operation as described in chapter 2.
Switch on the Axiovert 200 (manual).
Select the objective with the lowest magnification (e.g. 10x objective with the yellow ring) on the
nosepiece (3-16/2) and ensure the correct stop position.
Set factor 1x on the setting wheel (3-16/4) of the Optovar turret; ensure the correct stop position.
Open the luminous-field diaphragm completely by pulling the lever (3-16/16) on the carrier for
transmitted-light illumination to the front until stop.
Open the aperture diaphragm completely by turning the setting wheel (3-16/20) on the condenser to
the front until stop.
Turn the setting ring (3-16/19) to move the condenser turret in position H for brightfield (if not
available, to position DIC).
Turn the setting ring to move the reflector turret (3-16/5, if available) in a position without filter
combination and ensure the correct stop position.
If required, remove analyzer slider from the compartment (3-16/3) or switch to free light path; ensure
the correct stop position.
Turn setting wheel for Sideport right / Sideport left / vis (3-16/22) to position 100 % vis (visual).
Turn setting knob for Frontport / Baseport / vis (3-16/23) to position 100 % vis.
Set beam splitting ratio to 100 % vis (3-16/10) on the binocular (photo)tube. Switch off the Bertrand
lens (if available). Move combined rotary / slider knob (3-16/9) to position 100 % vis.
B 40-080 e 03/01
OPERATION
Illumination and contrasting techniques Carl Zeiss
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