| 单词 | reproduction ratio |
| 释义 | > as lemmasreproduction ratio reproduction ratio n. chiefly Photography the ratio of the size of a copy of an image to the size of the original; (also) the ratio of the size of an image formed on a film or sensor by a lens to the size of the object which it represents. ΚΠ 1921 U.S. Patent 1,395,310 2/1 A pencil..will then draw the outline traversed by the tracer point, the apparatus just described forming a pantagraph with its reproduction ratio equal to unity. 1976 Syracuse (N.Y.) Herald-Jrnl. 4 Nov. 35/2 (advt.) The 70–150 also focuses as close as 16 inches from the film plane and produces a 1:4 image reproduction ratio for great close-ups! 2005 J. Clements Comprehensive Guide Digital Close-up Photogr. i. 14 Macro photography is taken with equipment that enables a magnification or reproduction ratio of between lifesize (1:1) and ten times lifesize (10:1). < as lemmas |
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