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9. Contrasting Methods for Leica DM6000 B
9.1.5 Differential Interference Contrast (TL)
• Switch to the transmitted light axis (TL) by
pushing the
TL/IL
button.
• Insert a specimen and select an appropriate
objective.
• 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 of the LeicaScreen, menu page
‘Status’ 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 wheel
above the objective turret (77.1).
Alternatively:
• Manually rotate the polarizer on the under-
side of the condenser into the light path (Fig.
75).
• Likewise, manually insert the analyzer into the
left side of the stand (Fig. 76).
Objective and condenser prisms are
automatically moved into the light path as
well.
• For fine adjustment use the knurled wheel
above the objective turret (77.1).
Fig. 77
DIC turret
1
Knurled wheel for fine focusing
1
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