HyperDic: f_number

English > 1 sense of the expression f number:
NOUNrelationf number, focal ratio, stop number, speedthe ratio of the focal length to the diameter of a (camera / camera) lens system
English > f number: 1 sense > noun 1, relation
MeaningThe ratio of the focal length to the diameter of a (camera / camera) lens system.
Synonymsfocal ratio, stop number, speed
BroaderratioThe relative magnitudes of two quantities (usually expressed as a quotient)
Spanishnúmero de foco, razón focal, velocidad

©2001-19 · HyperDic hyper-dictionary · Contact

English | Spanish | Catalan
Privacy | Robots

Valid XHTML 1.0 Strict