Here are some thoughts I had already shared on previous discussions.
Viana,
The CRI (color rendering index) indicates the accuracy of color perception under a particular light source. Ott and Verilux are rated somewhere between 90 and 94CRI. Combining two lesser quality lights will not assist the accuracy of either. Two wrongs do no make a light! (sorry, couldn't resist.)
[quote] The name on the bulbs is Lumichrome made by Lumiram. They are spectacular. In comparison Ott lights are too green and Ott true color are too yellow. They are not precisely the same as true north light but are so close that the difference is negligible, to my eye anyway.
In addition I've never seen any lights that are better.
Here is the description from their site:
Lumichrome
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