Understanding the meaning of f number - BoostVocab

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f number

Synonyms of f number Antonyms of f number Examples of f number Usage of f number Parts of f number Definition that contains f number Words sounding like f number Explanation of f number

noun
the ratio of the focal length to the diameter of a (camera) lens system
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Similar:

focal ratio speed stop number

type of:
ratio

Explanation of f number

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