Leica DM4000B User Manual

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• Switch to the transmitted light axis (TL) by

pushing the TL/IL button.

• Select the BF (bright field) contrast method.

Do so by pressing the BF variable key.
Alternatively: Press the CHANGE TL

    variable key.

(For key occupation please see “Identification
Sheet”.)
The display indicates BF.

• Insert a transmitted light specimen.

• Rotate an appropriate objective into place.

• Bring the image into focus using the focus dial

and set the brightness using the INT function
key.

• Switch to the transmitted light axis (TL) by

pushing the TL/IL button.

• Select the PH  contrast (phase contrast) method.

Do so by pressing the PH variable key.
Alternatively: Press the CHANGE TL
variable key.
(For key occupation please see “Identification
Sheet”.)
The display indicates PH.

• Insert a transmitted light specimen.

• Rotate an appropriate objective into place.

Objectives that are suitable for phase contrast
are engraved with PH.

• Bring the image into focus using the focus dial

and set the brightness using the INT function
key.

8. Imaging Procedure

for Leica DM4000 B/ Leica DM5000 B

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