clipka wrote:

> The translucency parameter specifies the so-called "mean free
> distance" of a light ray in the material (in mm), i.e. the average
> distance a light ray travels before it is either absorbed or
> scattered. This can be more than 1.0 mm in case of very "waxy"
> materials, and could theoretically be as large as infinity (for a
> perfectly transparent material).

It probably depends on photon wavelength as well, although I'm not
sure that effect is strong enough to impact the visual perception of
an object with translucency.

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