This video will explain how to use custom reflection curves in Vray for Maya. We will learn what BRDF and Fresnel is, in addition to making some of our own basic materials such as plastic, aluminium and gold. If you have any questions about anything in the video, please feel free to leave any questions or comments below.

Some useful links are:
Refractive Index: https://refractiveindex.info
Visible spectrum information: https://en.wikipedia.org/wiki/Visible_spectrum