Zeiss Stemi 305, Operating Manual

Page: 32 / 354

ZEISS OPERATION Stereo microscope
Setting reflected-light illumination Stemi 305
30 435063-7144-008 09/2017
Engl
ish
4.2.4 Ring illuminator
•
By pressing the front button (Fig. 23/ 2 )
successively, the user can change over between
four illumination states of the ring illuminator
(Fig. 23/
3 ):
1. Press: full circle
2. Press: semi-circle
3. Press: quadrant
4. Press: two quadrants
(opposite each other)
•
When switching the semi-circle or quadrant
illumination ON, the specimen is first
illuminated from the rear (from the direction of
the stand column).
•
By pressing the rear button once briefly
(Fig. 23/
1 ), the adjusted segment is turned
forward clockwise by one quarter turn in each
case.
•
By pressing and keeping the rear button
(Fig. 23/
1 ) pressed for over 2 seconds, the
adjusted segment is set into continuous rotation
(rotation steps of 1/8 circle, 1 second per turn in
each case).
•
By pressing the rear button once more
(Fig. 23/
1 ), rotation is stopped and the
specimen is backlit again.
For switching the illumination intensity ON and OFF and adjusting the illumination intensity
refer to section 4.2.1, page 28.
Fig. 23 Ring illuminator