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Transmitted-light stand, bright and dark field
The illumination of the transmitted-light stand bright and dark
field consists of a fiber-optic light guide and a light source.
Observe the safety regulations from the
manufacturer of the light source.
̈ Unplug the fiber-optic light guide from the connection in
the stand.
̈ Fit the side-faced column to the transmitted-light base as
described on page 23.
̈ Fit the microscope carrier and stereomicroscope as
described on page 34.
̈ Attach the fiber-optic light guide at the stand and the
light source.
Before using the light source, read the corresponding user
manual.
Bright field is suitable for examining translucent objects featur-
ing contrasting structures. The object is directly illuminated
from below and is seen in its natural colors against a bright
background.
̈ Slide handle to the right until the
stop: bright field.
Dark field offers more information for objects poor in contrast
with rather poorly marked or very fine structures. In this case,
the light beams penetrate the object at a flat angle. Fine detail
structures and contours contrast brilliantly and brightly from
dark background.
̈ Slide the handle out to the right:
dark field.
Starting up
Transmitted light,
bright field
Transmitted light,
dark field
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Leica M Stereomicroscopes – Assembly