
The subjective impression of luminance.
The term brightness was not defined in the second edition of the SMPTE Vocabulary. It is hoped that luminance will entirely supersede photometric brightness and that luminosity will entirely supersede subjective brightness.
The National Film and Sound Archive of Australia acknowledges Australia’s Aboriginal and Torres Strait Islander peoples as the Traditional Custodians of the land on which we work and live and gives respect to their Elders both past and present.