POV-Ray : Newsgroups : povray.general : How to calculate the focal length? : Re: How to calculate the focal length? Server Time
5 Nov 2024 13:24:44 EST (-0500)
  Re: How to calculate the focal length?  
From: Christoph Hormann
Date: 29 Mar 2003 12:24:16
Message: <3E85D6FA.1F6DBC09@gmx.de>
Andreas Kreisig wrote:
> 
> Yes, but my problem is that POV-Ray has no film or sensor size. The
> background: I want to use the same camera settings in Blender than in POV.
> POV-Ray uses the  (horizontal) 'angle' directive, Blender uses a focal
> length similar to a real camera. I know that the angel of the camera has 25
> degrees so I need the corresponding focal length.

Why don't you read what i wrote.  The viewing angle of a (photographic)
camera with a certain focal length depends on what film format or sensor
it uses.  I don't know how Blender calculates a camera angle from a given
focal length but it has to assume a certain film format for that.

Christoph

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