Contrasting Methods For Leica Dm6000 M; Incident Light; Bright Field; Dark Field - Leica DM5500 B Bedienungsanleitung

10. Contrasting Methods for Leica DM6000 M

10. Contrasting Methods for Leica DM6000 M
All contrasting methods can be selected and op-
erated via the Leica SmartTouch, the variable
function knobs and the Software Leica Applica-
tion Suite. Excluded from this principle are only
methods which include components that have to
be operated manually (e.g. systems with manual
polarizer).
The following procedure describes the opera-
tion via function keys at the stand. For operation
via Leica SmartTouch, STP6000 and Software,
please see separate operation manuals.

10.1 Incident Light

10.1.1 Bright Field (IL)
• Switch to the incident light axis (IL) by push-
ing the TL/IL button.
• Select the BF (bright field) contrast method.
Do so by pressing the BF variable key.
Alternatively: Press the CHANGE RL
variable key.
(For key occupation please see "Identification
Sheet".)
The display of the Leica SmartTouch, menu
page 'Status' indicates BF.
• Insert a specimen.
• Select an appropriate objective.
• Focus on the image with the turning knob on
the SmartMove, STP6000 or with the focus
wheel and adjust the illumination with the INT-
keys.
The values for brightness are stored for each
objective.
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10.1.2 Dark Field (IL)
• Switch to the incident light axis (IL) by push-
ing the TL/IL button.
• Select the DF (dark field) contrast method.
Do so by pressing the DF variable key.
Alternatively: Press the CHANGE RL
variable key.
(For key occupation please see "Identification
Sheet".)
The display of the Leica SmartTouch, menu
page 'Status' indicates DF.
The DF reflector is turned into the beam
path.
• Insert a specimen.
• Select an appropriate objective.
• Focus on the image with the turning knob on
the SmartMove, STP6000 or with the focus
wheel and adjust the illumination with the INT-
keys.
Note:
When selecting the dark field method, the field
diaphragm is opened completely and may not be
adjusted.