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8. Imaging Procedure for Leica DM4000 B/DM5000 B
8.1.4 Polarization (TL)
• Switch to the transmitted light axis (TL) by
pushing the TL/IL button.
• Select the POL (polarization) contrast method.
Do so by pressing the POL variable key.
Alternatively: Press the CHANGE TL
variable key.
(For key occupation please see “Identification
Sheet”.)
The display indicates POL.
Mechanical procedure:
• Turn the polarizer on the underside of the
condenser in the light path (Fig. 66). Make sure
that the red index point on the front of the
polarizer is aligned with 0.
• Insert the analyzer into the left side of the
stand (67.1).
• Bring the polarizer and analyzer into cross po-
sition until they reach maximum darkness.
• Insert a specimen and rotate a suitable objec-
tive into place.
Motorized procedure:
• After selecting the POL contrast method, the
condenser automatically switches to the posi-
tion of the polarizer. The analyzer cube is also
automatically brought into the light path.
Combined procedure:
• For the Leica DM4000 B and Leica DM5000 B
microscopes, it is possible to combine
mechanical and motorized components.
Fig. 66 Swivel in polarizer
1 Polarizer
Fig. 67 Insert analyzer
1 Analyzer
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