Integrated Modulation Contrast (Tl) - Leica Microsystems DMI3000 B Mode D'emploi

8. Operation
8.2.7

Integrated Modulation Contrast (TL)

Leica DMI3000 B:
• If necessary, adjust the TL bright fi eld position
at the fi lter slider.
• Select a bright fi eld objective with eyepoint B
or C.
• Select the slit illumination suitable for the mag-
nifi cation at the condenser.
• Move the polarizer on the condenser into the
beam path.
• Remove all other optical components such as
analyzers or IC prisms from the beam path.
• Slide the IMC front module to the correct eye-
point, B 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 fi ne adjustment.
90
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 identifi cation sheet.)
IMC will appear on the LeicaScreen. If you
have a motorized condenser, the correct slit
diaphragm and polarizer will be activated auto-
matically. Coded condensers must be switched
manually.
• Insert a specimen.
• Select a suitable objective (eyepoint B or C).
• Slide the IMC front module to the correct eye-
point, B or C.
• Focus the image with the knob on the Smart-
Move or the focusing wheel and adjust the in-
tensity with the INT function buttons.
• Use the knurled wheels on the slider and the
polarizer for fi ne adjustment.