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8. Imaging Procedure for Leica DM4000 B/DM5000 B
8.1.5 Differential Interference Contrast (TL)
(only for DM5000 B)
• Switch to the transmitted light axis (TL) by
pushing the TL/IL button.
• Insert 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 CHANGE TL
variable key.
(For key occupation please see “Identification
Sheet”.)
The display indicates ICT.
• The polarizer located in the condenser and the
fitting condenser prism are automatically
brought into the light path. The corresponding
objective prism and the analyzer cube are also
positioned automatically.
• For fine adjustment use the knurled ring above
the objective nose piece (Fig. 68).
Fig. 68 Objective prism slide
1 Knurled wheel for fine adjusting
Alternatively:
• Manually rotate the polarizer on the underside
of the condenser into the light path (Fig. 66).
• Likewise, manually insert the analyzer into the
left side of the stand (Fig. 67).
Objective and coindenser prisms are
automatically moved into the light path as
well.
• Fine adjustment is possible using the knurled
ring above the objective nosepiece.
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