| 释义 |
sensitometer Photogr.|sɛnsɪˈtɒmɪtə(r)|
[f. sensit-ive + -ometer: see -meter.]
An instrument for ascertaining the degree of sensitiveness of photographic plates, films, etc. Also attrib.
1880Brit. Jrnl. Photogr. 3 Sept. 421/3 [Mr. Warnerke's] very useful ‘sensitometer’. 1890P. H. Emerson Naturalistic Photogr. 159 The rapidity of plates can be measured by an instrument called a sensitometer. 1890Anthony's Photogr. Bull. III. 372 The lower grades of dry plates, that is, those of low sensitometer power.
Hence sensiˈtometry, the determination of the degree of sensitiveness.
1881Brit. Jrnl. Photogr. 25 Feb. 97/1 Photographic literature during the last six months has contained very numerous articles on the question of sensitometry. 1907Sheppard & Mees Theory Photogr. Process 276 Part III. The Sensitometry of Photographic Plates. |