| A | B |
| low power objective | magnifies the object by a factor of 4 - total magnification is 40. |
| eye piece | looks into micriscope & magnifies the object by a factor of 10 |
| body tube | holds eyepiece & objective a set distance apart |
| coarse adjustment knob | moves the stage up & down |
| fine adjustment knob | sharpens image & focuses |
| nose piece | contains the low, med, & high power objectives |
| stage clips | holds the slide in place |
| stage | supports the slide |
| arm | supports the body tube |
| base | supports microscope |
| diaphragm | controls the amount of light coming in |
| mirror (lamp) | directs light to the stage opening |
| high power objective | magnifies the object by a factor of 40 - with a total magnification of 400. |
| medium power objective | Magnifies the object by a factor of 10 for a total magnification of 100. |
| total magnification | The total magnification is calculated by multiplying the magnification power of the eyepiece by the multiplication power of the objective lens. |