Leica DMI3000B Bedienungsanleitung Seite 74

7. Start-up
• Focus on the specimen.
• Focus the ring structure (95a) by loosening the
clamping ring (93.2) somewhat and moving the
eyelens (93.1), or focus the Bertrand lens
(94.2).
• Retighten the clamping ring.
Leica DMI3000 B:
• Select the light ring for the active objective on
the condenser.
Leica DMI4000B and Leica DMI6000B:
• Press the PH (phase contrast) button (one of
the variable function buttons behind the focus
wheels). The light ring will be selected in the
condenser.
• If the light ring and the phase ring are not
shown as arranged in Fig. 95c, the light ring
must be centered.
• Insert the centering keys into the openings
provided on both sides of the condenser
(90.3).
• Turn the centering keys until the dark ring
(phase ring in the objective) is congruent with
the slightly narrower bright ring (light ring in
condenser) (95 c).
74
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Caution!
The centering keys must be removed from
the centering openings before changing ob-
jectives. They may block the condenser.
• Repeat the process for all additional phase
contrast objectives.
• Remove the centering keys after centering.
Fig. 96 Condenser with motorized polarizer
1 Centering key for polarizer
1
Fig. 97 Condenser centering
1 Centering openings
2 Height adjuster
3 Prism and phase ring centering
2 1 2
3
1
3