| A | B |
|---|
| ocular lens | magnifies the object 10 times(X), what you look through |
| low-power objective | magnifies the object 10 times (X) |
| high-power objective | magnifies the object 40 or 43 times (X) |
| revolving nosepiece | holes the objectives and can be changed from one magnification to another |
| body tube | maintains the correct distance between the ocular lens and objectives |
| coarse-adjustment knob | moves the body tube/stage up and down to allow focusing of the image |
| fine-adjustment knob | moves the body tube/stage slightly to bring the image into sharper focus |
| stage | where the slide is placed and held |
| stage clips | holds the slide in place for viewing |
| diaphragm | controls the amount of light coming through the stage |
| light source | provides light for viewing the slide |
| arm | supports the body tube |
| base | supports the microscope |
