CALIBRATING THE INSTRUMENT
CARE & MAINTENANCE
Fig. 6
Fig. 7
Fig. 8
Note : An optional darkfield condenser can also be used in place of brightfield condenser for darkfield observation. In that case you will
have to replace normal brightfield condenser with darkfield condenser NA 1.25, oil (3124044) but result will not be so good as
with 3126050 darkfield condenser.
6.
slide, a bright ring of light will appear in field of view. Bring this ring of light in the
center of the field by manipulating two thumbscrews provided on the condenser
bracket as shown in Fig. 6
7.
Again pour a drop of immersion oil on slide as shown in Fig. 7
8.
Engage 100X (Oil Immersion) darkfield objective in field of view. Keep open
the Iris provided in the 100X objective by turning knurled ring clockwise.
Contrast in the darkfield can be increased or decreased by adjusting the
opening of Iris in 100X objective.
Engage 4X objective in field. while viewing through the eyepiece focus specimen
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wiping them with lens tissue dampened with Acetone or Methanol.
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It is better to avoid leaving finger prints on the surface of darkfield condenser.
?
When not in use for long time, it is recommended to store the darkfield attachment in its original packaging.
Loose particles can be removed from the surface of the darkfield condenser, diaphragm, or darkfield annulus by gently
© 2009 Labo America, Inc. | 9134050-990A 12-2009
LABOMED and CxL are registered trademarks of Labo America, Inc.
With a policy of continuous development, Labo America, Inc. reserves the right to change design and specifications without prior notice.
Labo America Inc.
Our policy is one of continuous development. Labo America, Inc., reserves the right to change design and specifications without prior notice.
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