A microscope (Greek: micron = small and scopos = aim) is an instrument for viewing objects that are too small to be seen by the naked or unaided eye. The science of investigating small objects using such an instrument is called microscopy, and the term microscopic means minute or very small, not easily visible with the unaided eye. In other words, requiring a microscope to examine.

The most common type of microscope—and the first to be invented—is the optical microscope. This is an optical instrument containing one or more lenses that produce an enlarged image of an object placed in the focal plane of the lens(es).

Simple optical microscope

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A simple microscope, as opposed to a standard compound microscope (see below) with multiple lenses, is a microscope that uses only one lens for magnification. Van Leeuwenhoek's microscopes consisted of a single, small, convex lens mounted on a plate with a mechanism to hold the material to be examined (the sample or specimen). This use of a single, convex lens to magnify objects for viewing is still found in the magnifying glass, the hand-lens, and the loupe.

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@farwyde Do you live in a world of dishes and microscopes? I want to play.
weeddude (Weed Dude) Sat, 19 Dec 2009 00:47:58 -0000
@farwyde Do you live in a world of dishes and microscopes? I want to play.
http://clixstar.info Space-Planets-Galaxy.info Search Galaxies Online, Telescopes, Microscopes Binoculars and Spotting Scopes
Clixstir (Clix101) Sat, 19 Dec 2009 00:42:01 -0000
http://clixstar.info Space-Planets-Galaxy.info Search Galaxies Online, Telescopes, Microscopes Binoculars and Spotting Scopes
http://Space-Planets-Galaxy.info Search Galaxies Online, Telescopes, Microscopes Binoculars and Spotting Scopes
PiperHighlander (Warren) Fri, 18 Dec 2009 22:40:52 -0000
http://Space-Planets-Galaxy.info Search Galaxies Online, Telescopes, Microscopes Binoculars and Spotting Scopes
Using microscopes in space science. For instance in the case of the #Mars meteorite http://bit.ly/8WLvHT u can download my article
Cosmic_Owl (Dr. David Warmflash) Fri, 18 Dec 2009 22:05:07 -0000
Using microscopes in space science. For instance in the case of the #Mars meteorite http://bit.ly/8WLvHT u can download my article
@LiamHassan ha well idk my microscopes & i worked the cholera bacteria thing out after i handed it in :/ :P ha (cont) http://tl.gd/19po0
JamieFisherr (Jamie Fisher) Fri, 18 Dec 2009 13:15:07 -0000
@LiamHassan ha well idk my microscopes & i worked the cholera bacteria thing out after i handed it in :/ :P ha (cont) http://tl.gd/19po0
@JamieFisherr the last two were actually the easiest! I know my microscopes ;)! And the one before that is common (cont) http://tl.gd/19pnj
liamhassan (Liam Hassan) Fri, 18 Dec 2009 13:11:56 -0000
@JamieFisherr the last two were actually the easiest! I know my microscopes ;)! And the one before that is common (cont) http://tl.gd/19pnj

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