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9. Contrast methods for Leica DM4000 B/DM4500 P/DM5000 B
• Insert the analyzer on the left side of the stand
up to the click stop (fig. 73).
• Then insert the objective prism slider into the
slot on the objective turret.
• The DIC prism that needs to be used appears
on the display.
• For fine adjustment, rotate the knurled screw
(74.1) on the objective prism slide.
9.1.5.2 DM5000 B
• Switch to the transmitted light axis (TL) by
pushing the TL/IL function key.
• Apply a specimen and rotate a suitable objec-
tive into place.
• Select the DIC contrast method.
Do so by pressing the DIC variable key.
Alternatively: press the variable button
CHANGE TL
.
(For details on key assignments, please see
the identification sheet.)
ICT appears on the display.
• The polarizer located in the condenser and
the fitting condenser prisms are automatically
brought into the beam path. The correspond-
ing objective prism and the analyzer cube are
also positioned automatically.
• For fine adjustment, use the knurled wheel
above the objective turret.
Alternatively:
• Manually rotate the polarizer on the
underside of the condenser into the beam
path (Fig. 72).
• Likewise, manually insert the analyzer up to
the stop into the left side of the stand (Fig. 73).
The objective and condenser prisms are auto-
matically moved into the beam path.
Fig. 74 Motorized variants
1 Knurled wheel for fine focusing
1