EYEPIECE, The lens you look through. It usually magnifies 10x., REVOLVING NOSEPIECE, Connects the eyepiece to the objective lenses and maintains the correct distance for viewing., OBJECTIVE LENSES, Magnify the specimen. Common powers are 4x, 10x, 40x, 100x (oil immersion)., COURSE ADJUSTMENT KNOB, Brings the specimen into general focus by moving the stage up and down., FINE ADJUSTMENT KNOB, Sharpen the focus of the specimen after using the coarse knob., ARM, Supports the microscope and connects the base to the body tube. Used for carrying the microscope., BASE, Supports the microscope and houses the light source in some models., IRIS DIAPHRAGM, Controls the amount of light that reaches the specimen., STAGE , Flat platform where the slide is placed for observation. Often has stage clips to hold the slide., MIRROR, Illuminates the specimen for better viewing..

LAC EXAMPLE ACTIVITY-MICROSCOPE

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