EntityQ220637· pop 12· linked from 46 articleslens speedSign in to savemaximum aperture diameter, or minimum f-number, of a photographic lensConnectionsCanon Inc.Entityshutter speedEntityimage stabilizationEntityCanon EF 50mm lensEntityNASAConceptInternational Standard Book NumberEntitySouth PoleEntityStanley KubrickPersonPanasonic Holdings CorporationPublic companyNikonEntityCarl ZeissEntityphotojournalismEntityclosed-circuit televisionEntityBarry LyndonEntitycamera lensEntitysingle-lens reflex cameraEntitydepth of fieldEntitysquare root of 2EntityLeica CameraCompanyFujifilm Holdings CorporationCompanyCategoriesScience of photography