Fig. 9: Olympus CX31 Microscope: Oil Immersion

The Using the coarse focus control, carefully raise the stage until the white-striped, 100X, oil immersion objective just touches the immersion oil on the slide.
Now slowly turn the fine focus control away from you until the image comes into focus. 

Gary E. Kaiser, Ph.D.
Professor of Microbiology
The Community College of Baltimore County, Catonsville Campus
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Last updated: August, 2017
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