JTC 02 (CIE-CCPR): Principles Governing Photometry

To prepare a comprehensive joint CIPM/CIE Technical Report and further on a CIE Standard on ‘Principles Governing Photometry’ that will include all photometric quantities and units with CIE Standard spectral luminous efficiency functions for photopic, scotopic and mesopic regions.
Chair: Yoshihiro Ohno (US)