Understanding the meaning of focal ratio - BoostVocab

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focal ratio

/'foʊkəl_'reɪʃoʊ/

Synonyms of focal ratio Antonyms of focal ratio Examples of focal ratio Usage of focal ratio Parts of focal ratio Definition that contains focal ratio Words sounding like focal ratio Explanation of focal ratio

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

f number speed stop number

type of:
ratio

Explanation of focal ratio

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