Hi, On 05/11/2015 21:54, Garak wrote: > Do you happen to know if a basic light-meter will work with the > red/orange/blue-LEDs which are designed to only deal light at the Just guessing, but does a light meter see all the infra-red (heat) (from non-LEDs and the sun) which may cause scorching. -- David Pilling http://www.davidpilling.com/