| A | B |
|---|
| contains a lens that magnifies | ocular |
| contains a lens that magnifies | eyepiece |
| provides support for the body tube | arm |
| the platform where a slide is placed to be viewed | stage |
| allows light to pass through the slide | stage opening |
| used to bring the specimen into sharp focus and bring out details | fine adjustment knob |
| used to focus the microscope by bringing the slide into focus | coarse adjustment knob |
| supports the entire microscope | base |
| produces light up through the specimen on the slide to the eye | light |
| reflects light up through the specimen on the slide to the eye | mirror |
| regulates the amount of light | diaphragm |
| opens or closes the diaphragm | diaphragm lever |
| holds the slide in place | stage clips |
| provides the largest field of view and the lowest (4x) magnification | low-power objective |
| provides the smallest field of view and the highest (40x) magnification | high-power objective |
| holds the objectives and rotates to change magnification | nosepiece |
| allows light to pass up to the eye and provides the proper distance between the eyepiece lens and the objective lens | body tube |
| a common type of microscope that focuses light rays through a specimen | light microscope |
| the uniform circle of light seen through the microscope | field of view |
| the unit of length usually used for microscope measurements | micrometer, μm |
