Zeiss Stemi 508 Operating Manual - page 32
ZEISS
OPERATION
Stereo microscope
Transmitted-light illuminators
Stemi 508
30
435064-7044-010
06/2015
Engl
ish
4.3.2
Transmitted-light unit in
stand K LAB
•
Switch transmitted-light illumination ON by
pressing the lower knob (Fig. 21/1).
•
With the transmitted light ON, turn this knob to
adjust the illumination intensity.
•
Adjust the bright field (BF) by pushing the
sliding knob (Fig. 21/2) into its rear position
(BF).
•
Turn the rotary knob / slider (Fig. 21/2) to swing
the clear or diffuse mirror in position or to
adjust the inclination angle.
Clear mirror for high-contrast bright
field, diffuse mirror for homogenous
bright field.
•
Change over to dark field illumination (DF) by
pushing the rotary knob / slider (Fig. 21/2) into
its front position.
•
Turn the mirror until the specimen structures
are brightly lit against the dark background.
Oblique light effects (RC) are produced
by pushing the rotary knob / slider
(Fig. 21/2) into its central position and
by tilting the mirror.
Fig. 21 Transmitted-light unit in stand K LAB