Author Archive


Although IES TM-30-15 and ANSI/IES TM-30-18 are providing a much more comprehensive description of the color properties of a light source, they are not yet accepted by the CIE. I hope that designers continue to request IES TM-30 metrics and manufacturers will continue to provide those information on their products.

Links to collected information about IES TM-30 metrics can be found on: