| A | B |
|---|
| Eyepiece | This is where you put your eye to look into the microscope |
| Nosepiece | Holds the objective lenses;rotates to enable changing magnification |
| Objective Lens | Used in combination with the eyepiece to provide a range of magnifications, usually 40x to 400x |
| Arm | Supports the upper part of the microscope and serves as a handle |
| Coarse Adjustment Knob | Raises or lowers the stage or objective lenses;you begin focusing with this part of the microscope |
| Stage | The flat place under the objective lens that supports the slide |
| Stage Clips | Usually one on each side of the hole in the stage; helps hold the slide in place |
| Diaphragm | Wheel or lever that adjusts the amount of light that passes through the hole in the stage; provides proper contrast |
| Light | Sends light through the hole in the stage to illuminate the specimen on the slide |
| Base | This is the support at the bottom of the microscope that holds it up |
| Fine Adjustment Knob | Raises and lowers the stage or objective lenses a tiny distance for exact focusing |
