Test setup see https://www.hdm-stuttgart.de/open-film-tools/english/cinelight_spectra
a = 1m
b: 1.5m to 2m
r1-r4: see lamp-measurement-information.csv

23°C
28.7% relative humidity
Meassured value: radiance in Watt / (sr * m^2)
White target: Sphere Optics Zenith Polymer
Spectrometer: Photo Research 650
