Microscope Parts and Their Functions

1. Arm. Supports the body tube.
2. Eyepiece. Contains the magnifying lens you look through.
3. Body tube. Maintains the proper distance between the eyepiece and objective lens.
4. Nosepiece. Holds objective lens.
5. Objective lens. A lens which usually provide a 10x or a 20x magnification.
6. Stage clips. Hold the slide in place.
7. Stage. Supports the slide being viewed.
8. Diaphragm. Regulates the amount of light let into the body tube.
9. Mirror. Reflects the light upward through the diaphragm, the specimen, and the lenses.
10. Base. Supports the microscope.
11. Adjustment knob. Moves the body tube