Some people say that SoLux bulbs fail to meet their CCT spec by up to 1000K
and some say they meet specs. If you have test results one way or the
other, I'd like to hear from you, because I'd like to set the record
straight. I have no connection to SoLux, other than using their bulbs in my
digital darkroom and being satisfied with their performance.
My own measurements and information supplied by SoLux and the Intertek test
lab indicate that SoLux bulbs meet their color temp spec within +/- 200K.
SoLux maintains that in all cases where they got an opportunity to review
the test set up when out of spec results were reported, they showed
incorrect test setups related to light contamination from the backs of the
bulbs or otherwise and/or incorrectly powering the bulbs. After corrections
were made the bulbs tested within spec.
If your tested out of spec, did you work with Phillip Bradfield or Kevin
McGuire at SoLux to resolve the issue and what was the result?
Thanks for your inputs.
Frans Waterlander