Microscope Parts 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Part Names Coarse Focus Knob Fine Focus Knob Stage Clips High Power Lens Body Tube Light Source Eyepiece Stage Diaphragm Scanning Lens Revolving Nosepiece Low Power Lens Base Arm Microscope Parts Cutouts Contains the Ocular Lens Magnifies about 10X Holds the Scanning, Low, & High Power Objective Lenses, Can be rotated to change magnification. Holds the slide in place Lens used for magnification Magnifies by about 40X. Used to support the microscope when carried First lens used to find the specimen Magnification of 4X Moves the stage or the body tube up and down for focusing Supports the slide being viewed Controls the amount of light on the specimen Projects light upwards, through the diaphragm, the specimen, and the lenses Moves the stage or the body tube slightly to sharpen the image Lens used for magnification Magnifies about 10X Supports the microscope Separates the eyepiece lens from the objective lenses