Thesaurus: f number
the ratio of the focal length to the diameter of a (camera) lens system
Related headwords
cameradefinitiondiameterdefinitionfocaldefinitionlengthdefinitionlensdefinitionratiodefinitionsystemdefinitioneysellneighborEysenckneighborEzechielneighborezedneighborEzekiasneighborezekielneighborezo-yama-hagineighborezraneighborF clefneighborf'rinstanceneighborF-actinneighborF.I.S.C.neighborfa laneighborfaair-spokenneighborfabaceanneighbor