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.

Peter Hertel wrote:

> Here comes version 2, now with better blur..
> blur_samples 100 confidence 1(okay, very close to) variance 0
> Render time with radiosity and the 10x10 area light: 14 hours
>
> But I'm not satisfied yet..
>
> > Grim said:
> > It doesn't look like your 'center' question was properly answered, though
> I think Peter's suggestion will certainly help.
> > Adjust your focal point for the center you desire, then adjust aperture to
> achieve the impression you desire.
>
> Nah.. Peter's trick only smoothed the blur.
> I rendered a small pic with aperture 15 (picture attatched), and as you can
> see, the focal point goes all the way along.. So the question to you all
> goes: How do I focus only the center of the image, and blur only what's
> outside a certain radius?

--
Tim Nikias
Homepage: http://www.digitaltwilight.de/no_lights/index.html
Email: Tim### [at] gmxde

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