| 单词 | lens aperture |
| 释义 | > as lemmaslens aperture lens aperture n. ΚΠ 1916 Brit. Jrnl. Photogr. 63 166/2 (heading) Some matters concerning lens apertures. 1958 Oxf. Mail 19 May 7/4 The length of exposure and the size of the lens aperture are linked to ensure that the right amount of light reaches the film at every shutter speed. 1971 L. B. Happé Basic Motion Pict. Technol. ii. 62 The brightness of the image formed by the lens is determined not only by the diameter of the lens aperture but also the size of the image. < as lemmas |
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