Highly recommended! Lights very bright and the batteries do not seem to go empty :) For movies I use the LED ring constantly and currently also thrilled the flash mode. In addition, the camera looks bigger and more professional with this camera :)
Use the ring on a Canon EOS 70D with a Sigma 24-105mm lens to film. There I have the ring but leave plugged in the battery compartment, because the lens has a lens of 82mm, and I thus would film the LED ring: D