Stop Number synonyms
the ratio of the focal length to the diameter of a (camera) lens system
The ratio of the focal length of a lens or lens system to the effective diameter of its aperture.
Speed is a slang term for the street drug methamphetamine.
Find another word for stop number. In this page you can discover 3 synonyms, antonyms, idiomatic expressions, and related words for stop number, like: focal ratio, f-number and speed.