designating a filter that absorbs light of all wavelengths to the same extent and so causes no change in its colour.
| 单词 | θ229709 |
| 释义 | society > leisure > the arts > visual arts > photography > camera > parts and accessories of camera > [adjective] > filters (2) neutral-density1938 designating a filter that absorbs light of all wavelengths to the same extent and so causes no change in its colour. narrow-cut1964 (a) Photography (of an optical filter) transmitting only a narrow band of wavelengths, or having a sharp boundary between transmitted and absorbed… |
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