(see quots. 1904 flat-back n. 1918).
| 单词 | θ229708 |
| 释义 | society > leisure > the arts > visual arts > photography > camera > parts and accessories of camera > [adjective] > types of lens (18) flat field1841 (see quots. 1904 flat-back n. 1918). wide-angle1865 Designating a lens having a short focal length and hence a wide field of view. slow1867 Photography. Of a lens: having a small aperture and thus requiring a long exposure time to produce a satisfactory image; (of a plate, film… wide-angled1873 = wide-angle, adj. (in various senses). fast1877 Photography. Of a lens: having a large aperture and thus requiring a short exposure time to produce a satisfactory image; (of a plate, film… rapid1878 Photography. Of a lens: having a large aperture, and so requiring less exposure time; (of a plate or film) needing only a brief exposure; = fast, adj.… fish-eye1882 (a) (also fish's eye) a variety of moonstone; a diamond or imitation diamond; (b) (see quot. 1958); (c) used attributively or as adj. of a wide-angle… sharp1883 Having the angles or edges not rounded off or flattened; hence, clear or distinct in outline or contour. Often in immaterial sense, of contrasts… symmetrical1890 Photography. Applied to a lens of symmetrical form; also elliptical as n. = symmetrical lens. telephotographic1891 Designating a compound camera lens in which the individual lenses are combined in such a way that the focal length of the lens is greater than… telephotographic lens1891 Designating a compound camera lens in which the individual lenses are combined in such a way that the focal length of the lens is greater than… narrow-angle1893 Spanning or involving a narrow angle; esp. designating or relating to a lens with a long focal length and a narrow angle of view. stigmatic1896 Applied to a photographic lens or combination of lenses constructed so as to correct the astigmatic aberration. tele-negative1898 (a) n. a strongly diverging compound lens, esp. (in later use) one which serves as a component in a telephoto lens, or which is used with an… tele-positive1898 (a) n. a converging compound lens with a relatively long focus, esp. (in later use) one which serves as a component in a telephoto lens; (b) adj.… bloomed1945 Of a photographic lens: covered with a ‘bloom’; see blooming, n.1 4. soft1945 Photography. Of a lens: producing images that are lacking in definition, either deliberately (cf. soft focus, n.), or as a fault. wide-field1950 Designating a lens having a short focal length and hence a wide field of view; = wide-angle, adj. 1. rare. |
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