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Microscope - A microscope (Greek: micron = small + skopein = to look at) is an instrument for viewing objects that are too small to be seen by the naked eye. The science of investigating small objects using such an instrument is called microscopy, and the term microscopic means minute or very small. Microscopes give us a large image of a tiny object. The microscopes we use in school and at home trace their history back almost 400 years.
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).
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