| A | B |
| body tube | reflects images with mirrors |
| revolving nosepiece | changes the objective lenses |
| scanning objective lens | 4x magnification |
| low power objective lens | 10x magnification |
| high power objective lens | 40x magnification |
| stage clips | holds the slide in place |
| diaphragm | changes the amount of light coming in |
| light/mirror | lights up the slide |
| eyepiece/ocular lens | look through; 10x magnification |
| arm | hold microscope by this |
| stage | where the slide rests |
| coarse adjustment | changes focus of big details |
| fine adjustment | changes focus of very small details |
| base | where the microscope rests |