Knowledge (XXG)

Inverted microscope

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applications where space above the specimen is required for manipulator mechanisms and the microtools they hold, and in metallurgical applications where polished samples can be placed on top of the stage and viewed from underneath using reflecting objectives.
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Depending on the size of the microscope, four to six objective lenses of different magnifications may be fitted to a rotating turret known as a nosepiece. These microscopes may also be fitted with accessories for fitting still and video cameras,
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flask) under more natural conditions than on a glass slide, as is the case with a conventional microscope. An inverted microscope is also used for visualisation of the
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along a vertical axis to bring it closer to or further from the specimen. The focus mechanism typically has a dual concentric knob for coarse and fine adjustment.
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The stage of an inverted microscope is usually fixed, and focus is adjusted by moving the
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and turret are below the stage pointing up. It was invented in 1850 by
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Smith JL (1852). "The inverted microscope-a new form of microscope".
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An example of the Nachet-Smith inverted chemical microscope, c. 1885
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Inverted microscopes are useful for observing living
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on the top, above the stage pointing down, while the
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Index


tissue culture
microscope
light source
condenser
objectives
J. Lawrence Smith
Tulane University
objective lens
fluorescence illumination
confocal scanning
cells
organisms
tissue culture
mycobacterium tuberculosis
Microscopic Observation Drug Susceptibility assay
micromanipulation
An example of the Nachet-Smith inverted chemical microscope, c. 1885
Stub icon
optics
stub
expanding it
v
t
e
Categories
American inventions
Microscopes
Optics stubs

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