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
.
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
