Olympus BX51-P Instructions Manual - Page 29

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Olympus BX51-P Instructions Manual

5-3 Conoscopic Observation

Fig. 32
}Use 20X to 100X objectives.
1. Engage the analyzer and adjust for extinction position.
2. Swing the condenser top lens into the light path.
3. When using the intermediate attachment conoscopic and orthoscopic
observation U-CPA, push in the Bertrand lens knob to engage the Bertrand
lens into the light path.
4. Engage an objective of your choice (20X to 100X).
5. Open the aperture iris diaphragm.
6. Slide the focusing knob on the U-CPA to focus on the conoscopic image.
}When the intermediate attachment conoscopic and orthoscopic obser-
vation U-CPA is not used, conoscopic observation is possible by remov-
ing an eyepiece from the observation tube and looking at the rear focal
plane of the objective directly.
}To obtain good image contrast, place an interference filter (45IF546) in
the filter holder on the light exit of the microscope.
}If the periphery of the conoscopic image is dark, move the condenser
vertically to find the position where the periphery is brightest.
BX53/51/41-P
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