Zeiss Axioskop 2, Manual, Page: 78 / 140

OPERATION
Operation and function controls Axioskop 2 / Axioskop 2
MOT
3-12 B 40-075 e 06/98
Motorized universal condenser
Depending on the version, the achromatic-aplanatic universal condenser is equipped as follows:
−
Motorized fold-out front lens.
−
Motorized turret disk with brightfield insert, darkfield stop and phase stops (centering), DIC prisms
combined with iris stop.
−
Motorized aperture diaphragm (iris stop).
In the motorized mode, the front lens, the turret wheel and the aperture diaphragm of the universal
condenser are moved automatically to the preset positions or to the positions stored via the Set key.
In the manual mode, these functions are activated
via the five keys on the front.
−
Key "open aperture diaphragm" (3-6/ 1 ):
aperture diaphragm is opened (until stop) as
long as the key remains pressed.
−
Key "close aperture diaphragm" (3-6/ 2 ):
aperture diaphragm is closed (until stop) as long
as the key remains pressed.
−
Key "front lens on / off" (3-6/ 3 ): front lens is
folded in or out alternately.
−
Key "turn turret disk to the right" (3-6/ 4 ):
turret disk is moved on to the right by one
position. To set the next position, let go off the
key for a short moment.
−
Key "turn turret disk to the left" (3-6/ 5 ): turret
disk is moved on to the left by one position. To
set the next position, let go off the key for a
short moment.
Coded nosepiece with objectives
−
W 0.8“ mounts for five objectives, each with a compartment for a DIC slider.
−
Fast change of objectives by turning the knurled ring of the nosepiece. The set nosepiece position is
recorded by the control unit.
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Coded nosepiece positions are marked by digits.
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Compartment for compensators.
1
2
3
4
5
Fig. 3-6 Motorized universal condenser