| A | B |
|---|
| eyepiece lens | the lens at the top that you look through |
| tube | connects the eyepiece to the objective lens |
| arm | supports the tube and connects it to the base |
| base | the bottom of the microscope; used for support |
| illuminator | a steady light source |
| stage | flat platform where the slides are placed |
| revolving nosepiece | holds two or more objective lenses |
| objective lens | usually has 3 or 4 lenses on a microscope; magnifies the specimen |
| diaphragm | rotating disk under the stage which varies the intensity of light |
| stage clips | holds the slide in place |
| rack stop | adjustment that determines how close the lens can get to the slide; prevents cracking the slide |
| compound light microscope | has lenses, stage and light |
| fine focus | gives "extra clear" focus |
| coarse focus knob | focuses the specimen |
