| A | B |
| eye piece | holds the top lens and magnifies |
| bodytube | transmits light from the specimen to the eye |
| arm | supports the body tube |
| objective lenses | contain lenses for magnification |
| coarse objective knob | moves the tube or stage up and down |
| fine focus knob | used after obtaining an image with the coarse focus knob |
| stage | supports the slide |
| stage clips | holds the slide in place |
| light source | provide light for the micrscope |
| base | supports the microscope |