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Lighting Insights Blog

Practical advice on commercial lighting from LED retrofits to lighting design.

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Erin Gussert

Recent Posts

What is R9 color rendering value?

Posted by Erin Gussert on Jun 6, 2017 9:09:00 AM
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If you're responsible for determining the right ambiance and light quality of your application, then you probably already know how important understanding Color Rendering Index (CRI) and Correlated Color Temperature (CCT) is. 

Here's the problem: CRI and CCT are anything but easy to understand.

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