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English dictionary

focal ratio

/'f/oU/k/@/l_'r/eI//S//oU/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

  1. the ratio of the focal length to the diameter of a (camera) lens system

    noun.linkdef

    Synonyms f number speed stop number

    Source: WordNet 3.0

Nearby words

focalfocal distancefocal epilepsyfocal infectionfocal lengthfocal pointfocal seizurefocalisationfocalisefocalizationfocalizefocally

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