POV-Ray : Newsgroups : povray.binaries.images : Re: Dumb question regarding spheres & cameras : Re: Dumb question regarding spheres & cameras Server Time
18 Aug 2024 18:18:48 EDT (-0400)
  Re: Dumb question regarding spheres & cameras  
From: Tekno Frannansa
Date: 21 Mar 2001 18:40:12
Message: <3ab93bdc@news.povray.org>
> Same size from camera's perspective. Kirk

Well yeah, but if you're projecting onto a plane (which we are) then you
gain the distortion. This is why fisheye doesn't get this distortion, as it
effectively projects onto a sphere (so the projected size corresponds to the
angle subtended at the camera, the size "from the camera's perspective").

Though I'm not 100% sure what a real camera does, probably somewhere
in-between as a consequence of the lens bending the light...

--
Tek
http://www.evilsuperbrain.com


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