Francesco napsal(a):
>> 1) If you move the viewport you can not get the same view simply because
>>    of the parallax.
> 
> what is the viewport? Cannot I set the POV camera the same as the photo camera?
> 
I mean the point where the camera rays are shot from. This roughly 
corresponds to the camera lens.

You can and probably should.
Add a sky vector when looking straight up or down, before the look_at 
vector. Otherwise Pov-ray does not know which way to roll the camera.

-- 
You know you've been raytracing too long when...
you start thinking up your own "You know you've been raytracing too long 
when..." sigs (I did).
-Johnny D

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