How to be Safe when using LED Lights

Sep 21, 2017 | Safety, Technical Information

Digital cameras see LED light differently than tungsten/daylight sources. Additionally cameras interpret these light sources differently from each other. Color temperature meters are unable to see the full spectrum and therefore do not work for the evaluation of LED light. Samples are only taken in three or four places of the spectrum (narrow band filters).

Spectrum analysis and CRI values offer a serious step for evaluation, but usually do not include colors called R9, which is a very important and critical red value, and R13 – skin tone. Even expanded CRI evaluations do not offer reliable criteria.TLCI (Television Lighting Consistency Index), the new standard of the European Broadcasting Union (EBU), offers a better and more reliable base for the way studio cameras see LED light.

These studio cameras usually work with three CCD sensors. Thus, the results are not really indicative for the way different CMOS cameras see LED color. Only practical tests with many different cameras and shooting different skin tones in reference light comparisons bring us closer to the target.

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