单词 | low-intensity reciprocity failure |
释义 | low-intensity reciprocity failure [`lō in´ten·sǝd·ē ´res·ǝ`präs·ǝd·ē ´fāl·yǝr] GRAPHIC ARTS The loss of sensitivity of a photographic plate at low light levels and long exposure times, so that the exposing intensity required to produce a given photographic density is no longer proportional to the reciprocal of the exposure time. |
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