单词 | extinction meter |
释义 | > as lemmasextinction meter extinction meter n. a photographic exposure meter which gives readings in terms of visual comparisons. ΘΚΠ society > leisure > the arts > visual arts > photography > camera > parts and accessories of camera > [noun] > meters photographometer1848 heliograph1851 actinometer1866 sensitometer1880 light meter1889 exposure meter1891 iconometer1894 extinction meter1931 1931 J. H. Reyner Cine-photogr. for Amateurs v. 58 These meters are often known as extinction meters, because the light coming through them is gradually reduced to or worked up from an extinction point. 1951 G. H. Sewell Amateur Film-making (ed. 2) ii. 19 An early type [of exposure meter] used for cinematography was the extinction meter, in which the subject was observed through a small telescope in which was a density wedge that was used in assessing the correct exposure for the subject. < as lemmas |
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