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What are the functions of a coarse adjustment knob?

Answer

One function of the coarse adjustment knob is to put an object under a microscope into focus. The adjustment knob moves the objective lens vertically to put a slide into focus. This will only give a rough estimate of the focus for the object; you
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To focus the image of the specimen.
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The coarse focus knob moves the tube and lenses closer and farther
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Coarse adjustment- to bring the specimen into focus from all the other mess in the slide (this usually moves the entire stage--the big knob) Fine adjustment- to bring a part/layer
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Coarse adjustment knob refers to a medium, round knob positioned on the side of the microscope which is used for focusing the specimen. It may move either the ...
The coarse adjustment knob elevates the microscope's stage up and down quickly. The fine adjustment knob does the same thing but more slowly and accurately. In ...
A coarse adjustment knob is a focussing device. With the scanner objective in place, the knob determines a sharp focus. This is done by rotating it into position ...
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