Am 18.10.2016 um 06:42 schrieb udyank:

> Thanks for that! I'll try it out and see if these work. Might need some
> experimenting. Although I have to ask: why isn't there a definite answer to this
> question? Is this something that POVRay doesn't want to simulate as such?
> Because they (focal length, aperture) seem to be pretty standard things a person
> would want to set in their scene setups when they place their camera, and be
> able to easily control them to see changes/effects etc. in their outputs.

POV-Ray has its origins in the early world of computer graphics
enthusiasts, not the media world. That's why its camera syntax has been
strongly influenced by the inner workings of 3D rendering, rather than
camera technology.

The simple fact is that since then nobody has added an alternative, more
camera technology-oriented syntax -- yet.

The POV-Ray developers' tradition to favour extension by macros rather
than by hard-coded features probably plays a role in this as well.

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