Microscopes have two way in which to focus onto a specimen, namely, the find-adjustment and the coarse adjustment knobs. The fine-adjustment knob on a light microscope focuses by moving the lens slowly and is used to focus on the specimen more clearly. It is used with the high-power objective lenses.
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Explanation:
Microscopes have two way in which to focus onto a specimen, namely, the find-adjustment and the coarse adjustment knobs. The fine-adjustment knob on a light microscope focuses by moving the lens slowly and is used to focus on the specimen more clearly. It is used with the high-power objective lenses.