| A | B |
| eyepiece | The part you look through. |
| revolving nosepiece | Holds the objective lens and can be rotated to change magnification. |
| objective lenses | Attached to nosepiece. Magnify the image. |
| stage clips | Hold the slide in place. |
| arm | One of the parts you should hold when carrying the microscope. |
| coarse adjustment knob | Moves the stage up and down to adjust the focus. |
| diaphragm | Adjusts the amount of light that reaches the specimen. |
| base | Bottom part of the microscope. |
| stage | Where the slide is placed. |
| cover slip | Small glass circle placed on top of the specimen. |
| slide | Glass plate on awhich the specimen is placed. |
| power | Degree of magnification for a lens. |