| 单词 | neutral-density |
| 释义 | > as lemmasneutral-density neutral-density adj. Photography designating a filter that absorbs light of all wavelengths to the same extent and so causes no change in its colour. ΘΚΠ society > leisure > the arts > visual arts > photography > camera > parts and accessories of camera > [adjective] > filters neutral-density1938 narrow-cut1964 1938 K. Henney Color Photogr. iii. 58 By the use of a neutral-density filter of the proper transmission, in addition to the colored separation filters, it is possible to lengthen the exposure of the green and the red filters. 1962 M. L. Haselgrove Photographers' Dict. 151 Mainly used in sensitometry and color work, a neutral density filter is sometimes resorted to in black and white photography when the camera is loaded with a film of very high speed. 1990 Do it Yourself Apr. 17/1 Its range of features include..brightness control with built-in neutral density filter for light correction. < as lemmas |
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