What happens if you try to use the coarse adjustment when the 10x lens is in place_
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Aug 30, 2009 · By the time you've gotten up to the high power objective lenses, the lens is quite close to the stage and using the coarse adjustment knob could cause you to crack the slide or lens. You should...
It contains the ocular lens. Coarse Adjustment: The larger knob on the side of the microscope used to focus and locate the specimen. This can only be used when in low power (4x or 10x) Fine Adjustment: The smaller knob on the side of the microscope that is used to "fine tune" or sharpen the image after focusing with the coarse adjustment.