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8. Operation
8.2.7 Integrated Modulation Contrast (TL)
Leica DMI3000 B:
• Select a bright field objective with eyepoint A
or C.
• Select the slit illumination suitable for the
magnification at the condenser.
• Move the polarizer on the condenser into the
beam path.
• Remove all other optical components such as
analyzers, polarizers or IC prisms from the
beam path.
• Slide the IMC front module to the correct
eyepoint, A or C.
• Insert a specimen.
• Set the brightness at the light potentiometer
• Focus the image with the focus wheels.
• Use the knurled wheels on the slider and the
polarizer for fine adjustment.
Leica DMI4000 B and Leica DMI6000 B:
• Use the TL/IL function button to switch to
transmitted light (TL).
• Select the IMC contrast method (integrated
modulation contrast). by pressing the variable
button IMC.
Alternatively: press the variable button
CHANGE TL .
(For details on button assignments, please see
the identification sheet.)
IMC will appear on the LeicaScreen. If you
have a motorized condenser, the correct slit
diaphragm and polarizer will be activated au-
tomatically. Coded condensers must be
switched manually.
• Insert a specimen.
• Select a suitable objective (eyepoint A or C).
• Slide the IMC front module to the correct
eyepoint, A or C.
• Focus the image with the knob on the
SmartMove or the focusing wheel and adjust
the intensity with the INT function buttons.
• Use the knurled wheels on the slider and the
polarizer for fine adjustment.