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10. Contrast methods for Leica DM4000 M
10.1.3 Polarization (IL)
• Switch to the incident light axis (IL) by push-
ing the TL/IL function key.
• Select the POL (polarization) contrast method
by pressing the variable button POL.
Alternatively: press the variable button
CHANGE RL
.
(For details on key assignments, please see
the identification sheet.)
The display indicates POL.
Automatic procedure:
• The ICR filter cube is automatically brought
into the beam path.
Manual procedure:
• Manually push the corresponding polarizer
(77.3) and the IC/P analyzer (78.1) on the stand
into the beam path. Then bring the polarizer
and analyzer into cross position until they
reach maximum darkness.
• Apply a specimen and rotate an objective with
a low magnification level into place.
Fig. 78
1 Insert the analyzer
Fig. 77 Objective prism slide
1 Knurled wheel for fine focusing
2 Prism slot with inserted prism slide bar
3 Insert the polarizer
1
1
3
2