Revision as of 20:51, 1 January 2007 edit Thijs!bot (talk \| contribs) 470,128 edits m robot Adding: pl:CRI ← Previous edit		Revision as of 13:32, 13 March 2007 edit undo 87.110.1.250 (talk) No edit summary Next edit →
Line 12: which gives the color rendering index with respect to each sample. The factor 4.6 was so chosen that the Ra of a standard warm-white TLThalium lamp would be about 50. It also appeared that Ri could be negative (∆Ei ≥ 22), and this was indeed ~~lamp would be about 50. It also appeared that Ri could be negative (∆Ei ≥ 22), and this was indeed~~ calculated for some lamp test colours The general color rendering index <math>R_a</math> is then the average of these eight separate indices.

Color rendering index: Difference between revisions