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an optical instrument that uses a lens or combination of lenses to produce a magnified image of a small, close object. |
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has a single lens - an example would be a magnifying glass |
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image is compounded by lens systems, which inables us to view smaller specimens. |
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is the process of enlarging s/t only in apperance, not in physical size. |
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the ability to see two small objects, that are close together, as separate objects. |
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an image formed by the covergence of the actual rays of light from an object. |
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is the thickness of the specimen that is acceptably sharp at a given focus level. |
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Function:
are useful for viewing living biological material.
>place the specimen on a slide
> add a drop of water or stain.
>place a cover slip at an angle so that it touches the drop. Slowly lower the raised end of the cover slip.
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may be prepared long before the slide is used and will include only dead specimens. |
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same as wet mount and prepared in the lab right before use. |
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