Few bulb manufacturers even bother to report CRI, unless it is decent (CRI > 90). If CRI is not reported, you can be sure it's bad, 80 or less. Unfortunately,

Few bulb manufacturers even bother to report CRI, unless it is decent (CRI > 90). If CRI is not reported, you can be sure it's bad, 80 or less. Unfortunately, there isn't really a way for a consumer to know short of buying a spectrometer like my Sekonic C-800 Spectromaster. For illustration, I have uploaded a few readings here, mostly flashlights, not LED bulbs: https://majid.info/images/reddit/spectro/ https://majid.info/images/reddit/spectro/ If you look at the Zebralight SC64c LE, for instance, it has an excellent Ra of 92, but only 75 for R9: https://majid.info/images/reddit/spectro/ZL_SC64cLE/SC64cLE_01_4160K_ColorRendering.png https://majid.info/images/reddit/spectro/ZL_SC64cLE/SC64cLE_...