Color Rendering Index

Color Rendering Index (CRI): A quantitative measurement, scored on a scale from 0 to 100, that evaluates how accurately a backlight or copy light source reveals the true colors of physical media compared to natural daylight. For high-quality camera digitizing, a standard light source simply won’t cut it. Cheap or generic LEDs often skip crucial parts of the light spectrum, causing muddy, uncorrectable color casts—especially when trying to invert the complex orange mask of color negatives. An archival-grade film light box requires a CRI score of 95 or higher to ensure the camera sensor captures vibrant, life-like color values that match the original film emulsion.