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Brightness adjustment
A 12 V 100 W transformer is built into the stand
for stepless regulation of brightness with the
brightness control.
Coarse and fine control
The coarse and fine focus control allows fast
and precise focusing of the microscope image.
Focusing is done by a vertical movement of the
objective nosepiece. The vertical movement
range is 9 mm.
Mains switch
The mains switch is used for switching the
microscope power supply on and off.
Incident light fluorescence device
The variant with incident light fluorescence
device contains the integrated fluorescence
axis and the lamp mount or a mirrorhousing
for adaption of a second lamphousing. The
fluorescence stand also comprises the fluo-
rescence module which takes 4 filter cubes.
This module is also available as a motorised va-
riant under the name RF4-mot module (see
Technical Description).
Aperture diaphragm
The aperture diaphragm determines the
resolution, field depth and contrast of the
microscope image. The best resolution is
achieved when the apertures of the objectives
and the condenser are roughly the same.
n. b.:
The aperture diaphragm in the illumination
light path is not intended for adjusting the
brightness of the image. This should only be
done by turning the brightness adjustment
knob or using the neutral light damping filter.
Condenser
The condenser is a lens system through which
the light is collected and focused on the
specimen underneath. The condenser is de-
signed to utilise the numerical aperture of the
objective.
Condenser height adjustment
The markings on the transmitted light illumi-
nation column indicate the height settings of the
different condensers.