| 单词 | separation negative |
| 释义 | > as lemmasseparation negative separation negative n. a separation (sense 14a above) in the form of a photographic negative. ΚΠ 1931 F. R. Newens Technique Colour Photogr. iii. 25 Although it is possible to produce the three-colour separation negatives by a single exposure, either in a one-exposure tricolour camera, or by means of a film tri-pack.., neither method is at present readily available. 1957 P. Jenkins Colour Separation Negatives 30 A fundamental rule in separation-negative making is that any neutral (grey, white, or black) should be reproduced as an equal density on each of the three negatives. 1974 A. Sussman Amateur Photographer's Handbk. (ed. 8) xviii. 478 The problem of separation negatives, so far as the amateur is concerned, was overcome in 1935 when Eastman Kodak introduced Kodachrome film. < as lemmas |
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