Use Of Green Filter - Optika B-1000 Series Instruction Manual

13.4 Use of green filter
• Green filter is used to increase the image contrast during
phase contrast observation.
Place the filter on the field lens of the microscope and begin the
observation. (Fig. 53)
• For brightfield or darkfield observation it advisable to remove
the green filter from the light path.
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F ig. 53 F ig. 53