EntityQ904761· pop 8· linked from 346 articlesreciprocitySign in to savein photography, the inverse relationship between the intensity and duration of light that determines the reaction of light-sensitive materialConnectionsshutter speedEntityscienceEntitytechnologyEntityphotographyEntitysecondEntityInternational Standard Book NumberEntityPornographyConceptcrystalEntityvisual artsEntitylaserEntityWayback MachineEntitycameraEntityAndromeda GalaxyEntitydigital object identifierEntityparticle physicsEntityselfieEntityexplosionEntityRobert BunsenEntitypixelEntityholographyEntityCategoriesAstrophotographyHolographyScience of photography