Alain Martel <kua### [at] videotron ca> wrote:
> Fresnel reflection for a metal ? Fresnel is for objects that have an IOR
> and are not metals.
I recall reading that accurately rendering metals required an IOR.
Maybe not for current POV-Ray though.
https://www.behance.net/gallery/35636521/Material-Studies-Metals
etc.
- BW
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