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单词 Additive system of Photographic EXposure
释义

Additive system of Photographic EXposure

英语百科

APEX system

APEX stands for Additive system of Photographic EXposure, which was proposed in the 1960 ASA standard for monochrome film speed, ASA PH2.5-1960, as a means of simplifying exposure computation.

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更新时间:2025/6/22 5:45:47