n. 1. The photography of distant objects in more enlarged form than is possible by the ordinary means, usually by a camera provided with a telephoto lens or mounted in place of the eyepiece of a telescope, so that the real or a magnified image falls on the sensitive plate. [ Webster 1913 Suppl. ]
2. Art or process of electrically transmitting and reproducing photographic or other pictures at a distance, especially by methods similar to those used in electric telegraphy. [ Webster 1913 Suppl. ]
3. Less properly, phototelegraphy. [ Webster 1913 Suppl. ]
n. a special compound camera lens with a long effective focal length but used in a camera with a short focal length, allowing large images to be obtained of distant objects when used in a camera in place of an ordinary lens; -- called also telephotographic lens. [ PJC ]
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