Synonyms of Focal Ratio in English :
Antonyms of Focal Ratio in English
Thesaurus of Focal Ratio in English
Focal Ratio
see definition of focal ratioSynonyms of focal ratio
1. (noun) the ratio of the focal length to the diameter of a (camera) lens system
Hypernyms of focal ratio
1. (noun) the ratio of the focal length to the diameter of a (camera) lens system