| 单词 | beam-splitter |
| 释义 | > as lemmasbeam-splitter beam-splitter n. Photography a device consisting of a prismatic arrangement of mirrors (see quots.); so beam-splitting adj. ΘΚΠ society > leisure > the arts > visual arts > photography > camera > [adjective] > types of camera pinhole1861 twin-lens1894 reflex1907 autofocus1917 miniature1921 autofocusing1922 wide-field1925 beam-splitting1935 point-and-shoot1964 subminiature1968 multi-mode1980 multiprogramme1990 society > leisure > the arts > visual arts > photography > camera > parts and accessories of camera > [noun] > lens > other lens attachments focuser1861 rangefinder1930 beam-splitter1935 starburst1967 1935 Discovery July 189/1 Iceland spar..beam splitter..entirely free from parallax. This system may be employed..to obtain three-colour negatives. 1940 Chambers's Techn. Dict. 83/1 Beam-splitter or beam-splitting camera, a camera for colour photography, in which the beam of light from the object is separated into three components by means of a complicated prism. 1956 A. L. M. Sowerby Dict. Photogr. (ed. 18) 52 Beamsplitter, a combination of four mirrors..used either for taking a stereoscopic pair of pictures with an ordinary single-lens camera, or for projecting or viewing a stereo pair so made. 1958 Newnes Compl. Amateur Photogr. xxvi. 235 Stereos taken on the same frame by a beam-splitting device. < as lemmas |
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