f number 同义词

f number是什么意思

focal ratio, stop number, speed
英文释义: 名词 the ratio of the focal length to the diameter of a (camera) lens system

翻译和释义

f number 英文释义：the ratio of the focal length to the diameter of a (camera) lens system
f number 中文翻译：焦距比数

f number的同義詞，f number相同意義的詞匯，f number synonyms