Axio Imager 2 OPERATION ZEISS
Illumination and contrast methods
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If the microscope is equipped with the phototube
Pol, the following settings are required for
this contrast method: The Bertrand lens must be inactive (rear push-pull rod (Fig. 212/6
right side pulled out). The luminous-field diaphragm must be open (front push-
(Fig. 212/5
) turned counterclockwise as far as it will go). The crossline reticle must be inactive
(front push-pull rod (Fig. 212/5) pulled out).
Fig. 212 Components for reflected-light polarization