"omniverse" <omn### [at] charternet> wrote:

>  Sure thing, free time used up now!  :)

It does seem to happen like that, doesn't it?

> Just a hack but I think it's basically
> what they're doing if I understood it right. Objects avoiding the narrow
> refracted area are not seen. No idea how each lens is shaped but this scene file
> seems to do the trick, aside from edge distortion which could possibly be
> reduced or eliminated by either increasing lens size within rings or thickening
> the rings.

There were some videos of the lab setup, and it seems you've got the arrangement
put together accurately.  Nice job!

I haven't ever used photons, and with my slow little laptop it may be a while
yet before I ever do.  That slowed the render down by a factor of 100 or
1000...!

Thanks for indulging my curiosity with your skills

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