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Microscope
| Question | Answer |
|---|---|
| moves the stage up and down to bring the specimen into focus | coarse adjustment knob |
| supports the body tube | arm |
| also known as the eyepiece; magnifies the image; are always 10x | ocular lens |
| controls the size of the illuminated field | field diaphragm control |
| focuses the light on the specimen | substage condenser lens |
| to adjust the vertical height of the condenser | condenser focusing knob |
| controls the amount of light entering the lens system | condenser diaphragm control |
| gathers light from the specimen, magnifies the image of the specimen, and projects the magnified image into the body tube | objective lens |
| holds objective lens and rotates easily to change power | revolving nosepiece |
| horizontal surface upon which the slide is placed | stage |
| a hollow tube through which light travels from the objective to the ocular lens | body tube |
| projects light upwards through the diaphragm, slide, and lenses; a lamp you turn on and off using a switch | light source |
| brings the specimen into sharp focus under low power and is only used with 40x and 100x objective lenses | fine adjustment knob |
| characteristic of the microscope that allows you to go from one objective to the other with minimal focus | parfocal |
| magnification of the objective lens X magnification of ocular lens | total magnification |
| clarity of an image | resolution |
| the light bending ability of a medium | refraction |