| A | B |
|---|
eyepiece/ ocular,  | contains the magnifying lens you look through (usually 10x) |
| body tube | maintains the proper distance between the eyepiece and the objective lens |
| nosepiece | holds high and low power objective lenses and can be rotated to change magnification |
| high power objective | lens that usually provides 40x magnification |
| low power objective | lens that usually provides 10x magnification |
| coarse focus | moves the stage up and down for focusing |
| fine focus | moves the stage slightly to sharpen the image |
| arm | supports the body tube and is used to carry the microscope |
| stage | supports the slide being viewed |
| stage clips | hold the slide in place |
| diaphragm | regulates the amount of light let into the body tube |
| light source | reflects the light upward through the diaphragm, the specimen, and the lenses |
| base | supports the microscope and used to carry the microscope |
