[tele.pho.to] adj (ca. 1895): being a camera lens system designed to give a large image of a distant object; also: relating to or being photography in which a telephoto lens is used
[2]telephoto n, pl -tos (1904) 1: a telephoto lens
2: a photograph taken with a camera having a telephoto lens Telephoto trademark--used for an apparatus for transmitting photographs electrically or for a photograph so transmitted