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单词 camera clara
释义

camera claran.

Brit. /ˈkam(ə)rə ˈklɛːrə/, /ˈkam(ə)rə ˈklɑːrə/, U.S. /ˈkæm(ə)rə ˈklɛrə/, /ˈkæm(ə)rə ˈklɑrə/
Origin: A borrowing from Latin; perhaps partly modelled on a French lexical item. Etymons: Latin camera, clāra.
Etymology: < classical Latin camera camera n. + clāra, feminine of clārus clear adj., originally after camera obscura n., in later use perhaps partly after French chambre claire a camera lucida (see camera lucida n. 2; 1834 or earlier), apparently itself after camera lucida n.
Now historical.
Any of various optical instruments similar in operation and use to a camera obscura or a camera lucida, but typically distinguished in some way.
ΚΠ
1795 W. MacRitchie Diary 18 Aug. (1897) 111 Mr. Booth also a..mathematician, shews us a very fine camera-clara, and most ingenious equatorial.
1851 S. F. Baird tr. J. G. Heck Iconogr. Encycl. I. Physics 128 Another form of the camera obscura is exhibited in fig. 57... The glass gh serves to keep off extraneous light. The camera clara differs from this arrangement in having a large lens in place of the ground glass. Upon this the image is depicted in sharp outlines and lively coloring.
1861 J. D. Easter tr. J. Frick Physical Technics (ed. 2) i. iv. 183 If the room cannot be made dark enough to show the image, a camera clara may easily be made of two tubes of pasteboard.
1886 Lancet 22 May 965/2 A better idea of these changes will be obtained by reference to the drawings taken from nature by means of the camera clara.
1973 Technol. & Culture 14 357 Sketching aids, as the camera clara for microscopes and camera obscura for landscapes.
2001 Grey Room 2 35 Henry Fox Talbot set aside his camera clara, to which his imperfect drawing hand had lent its quite imperfect support, and adopted a photography that he celebrated as the pencil of nature itself.
This is a new entry (OED Third Edition, November 2010; most recently modified version published online December 2021).
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n.1795
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