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24 Cards in this Set
- Front
- Back
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simple
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cintaining one lens
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compound
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containing two or more lenses
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Light microscopes
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use light and lenses to magnify things
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compound light microscopes
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they let light pass through the object and then through two or more lenses
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low-power
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object is usually a 10X magnification lens
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high-power
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objective contains the lens with the greatest amount of magnification
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10X x 43X=
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430X
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electron microscope
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use electrons to magnify objects this type of microscope does not use light
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trasmission electron microscope
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is used to study parts inside a living cell.
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scanning electron microscope
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is used to view dead cells and tissue
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light stereoscope microscope
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this type of microscope is used to see three-dimentional views of objects too thick to let light pass through
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lenses
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curved piece of glass
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eyepiece
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contains the lens you look through the top part of the microscope
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body tube
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the hollow tube through which light passes also maintains the correct distance between the lenses
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nosepiece
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holds the objective lenses and rotates to change the magnifications
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objective lens
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several objective lenseseach having a sifferent magnification
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stage
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supports the object being viewed
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stage clips
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used to hold the microscopes slide in place
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diaphragm
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changes the amount of light that enters the body tube
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mirror or light source
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used to send light up through the hole in the stage th object and the lenses
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base
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supports the body tube and is used to carry it the bottom part of the microscope
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arm
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supports the body tube and is used to carry the microscope
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fine adjustment knob
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moves slightly to sharpen the image while focusing
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coarse adjustment knob
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turns to raise and lower the body tube ostage for focusing always use this knob first
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