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Science
The Functions of the Parts of a Microscope
Term | Definition |
---|---|
body tube | reflects light up to the viewer's eye |
revolving nose piece | holds the objectives lenses and can be turned to change from one magnification to another |
low power objective | (4x magnification) the first lens that you use when using a microscope |
medium power objective | (10x magnification) the second most powerful lens |
high power objective | (40x magnification or more) the highest magnification |
stage clips | holds the slide in place for viewing on the stage |
diaphragm | used to vary the amount of light passing through the slide; usually it is better if the amount of light is low |
light source | sends light through the diaphragm to see the specimen |
ocular lens/eye piece | (10x magnification) the part that you're looking through |
arm | the part that supports the body tube; part that you hold to safely transport the microscope |
stage | the flat part where slides are placed |
course adjustment knob | the larger knob- moves the body tube up and down to allow focusing of the image; the first used to using the smallest power *never to be used under the highest power* |
fine adjustment knob | the smaller knob- moves the body tube slightly to bring the image into a sharper focus; the sharpest focus when using the highest power |
base | supports the microscope- important to transport |