CIE ISO DIS 23539:2021

Photometry - The CIE system of physical photometry

Commission Internationale de L'Eclairage , 2022

Publisher: CIE

File Format: PDF

$36.00$72.00

Description

Standard By:Commission Internationale de L'Eclairage , 2022

Published:2022

Pages:58

File Size:1 file , 2.5 MB

Language:English

Note:This product is restricted and cannot be purchased in the following countries Ukraine, Russia, Belarus

The purpose of photometry is to measure light as perceived by the human eye. The brightness of a luminous surface depends not only on the amount of radiation it emits, transmits or reflects, but also on its spectral composition and on the visual response function of the observer viewing it.