Leica DM5000B Manuel D’Utilisation
72
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.
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.
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
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