54
Analyser
*
Disengage analyser (48.2) by pulling it out part
way.
Reflector
*
/filter system
*
For transmitted light only:
Disengage reflector (48.3) or filter system. Turn
condenser disc (48.14) to pos. H (brightfield).
For incident light only:
Engage HF or Smith reflector (Fig. 18; 19; 48.3).
For incident light fluorescence examinations of
transparent objects it is advisable to set
transmitted light mode first.
Adjustment specimen
For initial microscope adjustment we
recommend you use a specimen that has both
high and low contrast areas. Non-plane parallel
reflected light specimens must be aligned on a
specimen slide with a handpress and plasticine.
Mechanical stages
*
Individual setting of sp ecimen clamp :
Stage no. 1187: Push down the knurled ring (48.7)
on the joint of the specimen holder and turn to
the left (tighter clamping) or to the right (looser).
Then pull upwards so that it clicks into position.
Stage no. 1189: The clamping jaws can be moved
after the knurled screws have been loosened. In
addition a incident light object guide (code no.
563 546) with movable sample platform for direct
sample positioning and the tilting stage (code
no. 563 294) can be adapted.
Individual setting of the x-y drive (Fig. 43):
Lengthening and shortening: First pull the lower
control (for x adjustment, 43.2) downwards, then
pull the upper control (for y adjustment, 43.1) in
the same direction.
The coaxial drive is shortened by pushing the
controls upwards in the opposite order.
Fig. 43
x-y specimen adjustment on the mechanical stage
1
y adjustment,
2
x adjustment,
3, 6
Clamp screws
4, 5
Rota-
table rings for torque setting
1
2
3
4
5
6
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