A new ring light hails from China, and it's called the Amaran Halo AHL-H100. Made by Aputure, the LED ring light combines a flash and a continuous light in one device. With a CRI (color rendering index) of 95+, its LEDs are color balanced to a temperature of 5500 Kelvin and emit a very high spectrum of colors contained in visible light. For practical purposes, this means that color reproduction with the AHL-H100 comes close to that of daylight.
The ring light, which can either be mounted around a camera lens or to its battery…
via Imaging Resource News Page http://www.imaging-resource.com/news/2013/12/16/aputure-introduces-amaran-halo-ahl-h100-ring-light-with-high-color-renderin