Use Of The Green Filter; Condenser For Brightfield/Phase Contrast (B-510Asb) - Optika B-510 Serie Bedienungsanleitung

11.4 Use of the green filter

• The green filter is used to increase the contrast of the image
during phase contrast observation.
• Place the filter on the field lens of the microscope (Fig. 79)
and begin the observation.
• For observation in brightfield or darkfield it is advisable to
remove the filter from the optical path.

12. Condenser for Brightfield/Phase Contrast (B-510ASB)

Slider condenser provided with B-510ASB allows observation in brightfield and in phase contrast with 40x objective.
Observation mode
Phase contrast 40x
F F ig. 80
Brightfield
ig. 80
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Slider position
O (Fig. 80)
40 (Fig. 81)
F ig. 79 F ig. 79
F ig. 81 F ig. 81