英语词汇“f-number”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	f-number
释义	Word Frequency f-number or f number noun photography the numerical value of the relative aperture. If the relative aperture isf8, 8 is the f-number and indicates that the focal length of the lens is 8 times the size of the lens aperture See also T-number
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