| 单词 | mirror lens |
| 释义 | > as lemmasmirror lens mirror lens n. an assembly of mirrors which produces an image similar to that produced by a lens; (Photography) a telephoto lens incorporating such a system. ΚΠ 1961 A. L. M. Sowerby Dict. Photogr. (ed. 19) 458 In a mirror lens the image is formed by reflection from the surfaces of concave and convex mirrors instead of by refraction through convex and concave lenses... Several makers have adopted this construction for miniature camera lenses of focal length 500mm. or more. 1977 J. Hedgecoe Photographer's Handbk. 122 At first sight the image given by a mirror lens appears identical to that of a telephoto lens of the same focal length. 1991 Bird Watching June 14/1 It was not until..a friend loaned me a 500mm mirror lens, that the move from watching to photographing began. < as lemmas |
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