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television microscope:see microscopemicroscope,
optical instrument used to increase the apparent size of an object. Simple Microscopes
A magnifying glass, an ordinary double convex lens having a short focal length, is a simple microscope. The reading lens and hand lens are instruments of this type.
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an instrument in which the image of a small object obtained from a microscope by microprojection is projected onto the photosensitive element of a television camera tube and converted into a sequence of electrical signals. The signals can be used to reproduce an enlarged image on the screen of a kinescope. The television microscope makes it possible to increase or decrease the image brightness and regulate contrast by varying only electrical values in the transmitting circuit. (SeeMICROSCOPE: Types.)