17-180

coefficient of luminous intensity (of a retroreflector) [R]

quotient of the luminous intensity, I, of the retroreflector in the direction of observation by the illuminance, , at the retroreflector on a plane perpendicular to the direction of the incident light

       

Unit: cd⋅lx-1

Theme by Danetsoft and Danang Probo Sayekti inspired by Maksimer