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Leica TL RCI™: The Deflection Mirror
1
Inverted world?
Depending on the properties of the specimen
(refractive index of the environment) and the
perception of the viewer, it is possible that the
switches described below for positive and inver-
ted relief contrast are to be operated in reverse.
This means that the lower switch, rather than
the upper switch, controls the inverted relief
contrast and vice-versa.
Leica Z6 APO A / Z16 APO A
Tilted mirror
The built-in mirror features one flat and one
concave side and can be rotated and moved.
The concave side has been specially designed
for the optical requirements of objectives with
a high numerical aperture. The black rotary
knob on the left side of the transmitted-light
base can be used to rotate the built-in path-
folding mirror and move it forwards/back.
The concave cutout on the handle indicates the
concave side of the mirror, allowing intuitive
operation at any time without eye contact.
The angle of light incidence in the specimen
plane changes depending on the tilt and
position of the mirror. As a result, switching
between transmitted-light bright field, oblique
illumination and dark field-like illumination is
possible.
User Manual
Functions of the rotary knob
The rotary knob (1) fulfills the following tasks:
Turning the deflection mirror from the flat
★
to the concave side
Slight tilting to guide the light beam
★
through the specimen plane at a steeper or
flatter angle
★
Moving the deflection mirror (forwards/
back)
70
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