Zeiss KF 2 ICS, Руководство по эксплуатации, Страница: 24 / 40

Carl Zeiss KF 2
ICS
3-6 B 40-028 e 10/97
3.4 Setting the microscope in brightfield
Place specimen on the sample stage with the cover slip pointing upwards.
The condenser 0.9 AS (3-2/ 3 ) is aligned with
the specimen stage and firmly attached to it. It
contains an aperture diaphragm to control the
image contrast. The condenser lever (3-2/
1 ) is
attached to the bottom of the condenser via a
knurled knob (3-2/
4 ).
Swing in the 10x objective. When using an
objective with magnification 10
or higher,
switch the condenser lever (3-2/ 1 ) to free
passage by turning the lever (3-2/ 2 ) to the right
until stop.
The condenser lever (3-2/ 1 ) can be switched in two stop positions:
Lever (3-2/ 2 ) to the right:
free passage (to be used for objectives 10 ).
Lever (3-2/ 2 ) to the left:
additional lens swung in (to be used for objectives < 10 ).
The aperture diaphragm can also be set to both stop positions via the lever (3-2/ 2 ).
Turning to the right within the stop position:
aperture diaphragm is opened
Turning to the left within the stop position:
aperture diaphragm is closed.
Fig. 3-2 Setting the condenser lever