What is the difference between CRI and Ra?

You may hear CRI and Ra used interchangeably to refer to LED color quality. But they can mean different things, depending on who you ask.

Color Rendering Index (CRI) and LED Lighting

What makes LED efficient? - lumega

Differences Between CRI, CQS, & IES TM-30

Color Temperature and CRI - HUAWEI Tri-Screen Series Telepresence

What Is CRI And Why Choose It Important

Are CRI and luminous efficacy influencing the photosynthetic

Best visual CRI difference I've seen with my own eyes : r/flashlight

A world of lighting: What is color rendering? - lumega

Why do you buy lights without High-CRI emitters? - #196 by

6XSweier 5W 3000K Edison Screw Warm White E27 LED Bulb, (SES) G45

What is the Color Rendering Index (CRI) and Why is it Important?

CRI led light fluorescent lamp halogen tungsten lamp

What is CRI?, Color Rendering Index Guide to LED Lighting

Is CRI Relevant In An LED World? [VIDEO] - Indie Cinema Academy

What is the CRI/Ra in LED lights? - GRNLED