I suggest post processing. I don't know if MegaPOV's post-process will 
do it without trouble, but you can certainly do it with Photoshop or GIMP.

If you must use POV, you could probably render the image without 
blurring and then create a new image that does the blurring on an 
image_map. Perhaps you could map it onto a paraboloid or cone, then blur 
with focal blurring. Or, even better, you could do something with the 
"average" pattern.

John Haiducek

Peter Hertel wrote:

> That explains why it is at it is.. Thanks!
> But how can I get the effect I search?
> 
> --
> _.-=^=-._.-=[ Peter ]=-._.-=^=-._
> _.-=[ http://hertel.no/peter ]=-._
> 
> 
>>What you probably don't recognise is that the
>>focal point isn't a "line", as you describe it, but rather
>>a certain radius around the camera. When taking a
>>real camera and adjusting the lense, you will see
>>the exact same effect.
>>
> 
>

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