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53
8. Operation
Fig. 59b Rotating specimen stage
1 Locking screw
2 Fine focusing
3 Coarse focusing
8.3 Focusing
There is a focus wheel on the left side of the
stand for coarse and fine focus adjustment
(Fig. 59b).
On the right side of the stand, there is also a fo-
cus wheel, which is used exclusively for fine fo-
cusing (58.4).
The special form of this handwheel makes it
possible to simultaneously grasp the coaxial
drive with your hand while operating the fine
adjustment with one finger.
8.4 Tubes
Note:
Close any unused tube openings, as otherwise
stray light can interfere with observation.
Note:
Make sure that the connecting cable is plugged
in on the MBDT25+ motorized tube (60.1).
Adjust the interpupillary distance
• Adjust the interpupillary distance of the eye-
piece tubes so that a congruent total image is
seen (Fig. 60).
Fig. 60 Tube setting
↔
Setting the personal interpupillary distance
1 Motorized tube connection
1
↔
1
2
3