What is Cosine Correction?

What is Cosine Correction? Tech Notes Cosine is a mathematical function used to calculate and specify the characteristics (length & angles) of triangles (Trigonometry). Below right picture is the cosine correction comparison between MK350S Premium and Lambert’s...

WHAT IS CQS (COLOR QUALITY SCALE)?

WHAT IS CQS (COLOR QUALITY SCALE)? Light Color The CQS(Color Quality Scale)is a new light source quality parameter developed by NIST (National Institute of Standards and Technology)for the new solid-state lighting markets.   As we mentioned in the article on what...