POV-Ray: Newsgroups: povray.general: Negative IOR renders: Re: Negative IOR renders

POV-Ray : Newsgroups : povray.general : Negative IOR renders : Re: Negative IOR renders		Server Time 15 Nov 2025 06:30:19 EST (-0500)

From: Alain Martel
Date: 12 Nov 2025 17:15:41
Message: <6915070d$1@news.povray.org>

Le 2025-11-12 à 15:21, Bald Eagle a écrit :
> 
> Pretty interesting:
> 
> https://opg.optica.org/oe/fulltext.cfm?uri=oe-14-5-1842
> 
> 
> 
I've tried negative IOR in POV-Ray, and it make the object a perfect 
mirror. ANY IOR <0 result in reflection.

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