| A | B |
| Nose Piece | lets you turn the objective lenses. |
| Body tube | Separates the eyepiece from the objective lenses. |
| eyepiece | Magnifies the image-you look through it. |
| objective lenses | Magnifies the image-near the object. |
| stage | Holds up the slide. |
| arm | holds up the body tube |
| stage clips | holds down the slide |
| slide | holds the specimen. |
| light | illuminates the object. |
| diaphragm | controls how much light is let through. |
| base | holds up the whole microscope. |
| Coarse Adjustment | Moves the stage a lot - to focus. |
| Fine Adjustment | Moves the stage a little - to focus. |