| A | B |
| Eyepiece | lens with power of 10x |
| Arm | to support for carrying |
| Revolving nosepiece | changes the objectives |
| Low-power objective | power of 4x, larger field of view |
| Medium-power objective | Power of 10x |
| High-power objective | power of 43x, more detail |
| Fine adjustment knob | small knob to make image clear |
| Coarse adjustment knob | larger knob to find and center image |
| Compound Light Microscope | has two or more lenses |
| Stereo Microscope | gives a three-dimensional view |
| Electron Microscope | magnifies up to 1 million times |
| Stage and clips | holds the slides |
| Base | bottom of the microscope |
| Light adjustment | allows different amounts of light through |