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contains the ocular lens


holds the high- and low- power objective leses; can be rotated to change magnification

objective lenses

magnification ranges from 10x to 40x

stage clips

hold the slide in place


supports the slide being viewed

light source

projects light upwards through the diaphragm, the specimen, and the lenses


used to support the microscope when carried

course adjustment knob

moves the stage up and down for focusing

fine adjustment knob

moves the stage slightly to sharpen the image


regulates the amount of light on the specimen


supports the microscope

field of view decreases

What happens as the power of magnification increases?

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