英语词汇“tripack”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

tripack

释义

tripack Photogr.|ˈtraɪpæk|
Also tri-pack, † -pak.
[f. tri- + pack n.¹]
A set of three superimposed plates or films with different colour sensitivities and kept in contact, so that three separation negatives can be obtained at one exposure; also (integral tripack), a film having three such emulsions on the one base.
1911Brit. Jrnl. Photogr. 3 Mar. (Suppl.) 19 (heading) The Ives Tripak system of colour photography.1924Ibid. Sept. (Suppl.) 36/1 It is fundamentally impossible to obtain satisfactory results by the tri-pack system.1931[see separation negative s.v. separation 17].1953[see integral a. 2].1957R. W. G. Hunt Reproduction of Colour v. 47 (caption) Sensitization of the layers in Kodachrome, Ektachrome, Kodacolor and other similar integral tripacks.1973D. A. Spencer Focal Dict. Photogr. Technol. 606 The coloured positive images may be produced..in-situ by using integral tripack material.

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