Memory Microscope: Parts & FunctionsVersión en línea Parts & Functions por Mr. Connolly Fine focus wheel Magnifies the specimen, usually by a factor of 10 (x 10) A built in light bulb or mirror that lights up the specimen Stage & Stage clips Brings the image into sharp focus Eyepiece lens Light Source Coarse focus wheel Holds the slide in place Base Magnifies the specimen by different factors (x4, x10, x40) Keeps the microscope stable Brings the image into rough focus Controls the amount of light passing through the specimen Diaphragm Objective lens