| A | B |
|---|
| Eyepiece/Ocular | The object you look into the microscope with t see the image of the thing you are looking for |
| Body Tube | Light passes from the objective lens to the eyepiece through this part of the microscope |
| Nosepiece | The objective lenses are mounted in this part of the microscope |
| Objective Lenses | There may be two or three of these mounted on the nosepiece. Each one magnifies a different power. |
| Arm | This part supportsthe entire upper portion of the microscope |
| Coarse Adjustment Knob | You begin your focusing with this part of the microscope |
| Fine Adjustment Knob | Once the object that you would like to view comes into focus, you use this to fine tune the image |
| Stage | The flat place under the objective lenses where you place the slide for viewing |
| Aperture | The opening in the stage that allows light through |
| Diaphragm | This disk under the stage controls the amount of light that passes through the aperture |
| Mirror or Lamp | This provides light so that it is easier to see the object that you are viewing |
| Base | This is the support for the microscope that holds it up |
| Legs | The mirror or lamp is located between these two things |
