You'll also want Anistropic rendering too...

In MAX you can already provide IORs to metals.

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Jerry Anning wrote in message <37164794.16468399@news.povray.org>...
>On Thu, 15 Apr 1999 21:05:09 +0300, "Margus Ramst"
><mar### [at] peakeduee> wrote:
>
>>What I would really like to have though, is the
>>Fresnel reflecion/refraction model. This allows, for example, very
realistic
>>metallic surfaces (provided you can find the right ior for, say, copper -
>>0.83 or something)

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