I am trying to get a handle on those terms. If I were not looking outside at the world, what would I expect a dull gray day to register in brightness/lux? How about good old Kodak’s definition of “cloudy bright?” Full on sunshine? Same for what values might one equate with certain levels of sola…

Looking for layman's definitions of brightness/lux and solar radiation

mabeatty1978 March 9, 2024, 11:20pm 2

1 Like

Topic		Replies	Views
Visual Display of Brightness (Lux) Developers	55	7680	August 29, 2020
Brightness, solar radiation, UV Developers	2	478	December 14, 2020
New tempest user — confused about solar radiation and luminance readings Tempest Owners tempest	3	122	June 13, 2025
UV Index, Brightness, and Solar Radiation Tempest Owners tempest	0	80	June 10, 2025
Sharp drop off in lux and solar radiation without clouds	1	324	September 5, 2020