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What is the importance of oil in oil immersion lens of compound microscope?

In: Microscopes [Edit categories]

Answer:

In light microscopy, oil immersion is a technique used to increase the resolution of a microscope. This is achieved by immersing both the objective lens and the specimen in a transparent oil of high refractive index, thereby increasing the numerical aperture of the objective lens.

First answer by ID0693723138. Last edit by ID0693723138. Question popularity: 1 [recommend question].

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Relevant answers:

Why is the oil immersion lens not always used in a compound microscope?
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