Are you sure that this is not Octane?
Yes, I'm pretty sure
This is DOF from Yafa or Z-depth from Blender internal?
It's YaR DOF.
but 10 hours is good time for unique renders /LUX, Indigo/ but its too much for architecture practise...render in resolution about 1200x900 must be done about 1,5 hour max
Well, I'm still learning Yafaray and there's always a way for optimization. However, the scene with DOF needs a much more AA samples for smooth result than a scene without it. And I think that the render time depends on scene heaviness. This scene contains ~2000000 polygons. Correct me if I'm wrong.
Did you use MOtiva in postpro?
No. It's pure GIMP postpro. I've tried to run Motiva under wine but with no luck.
And I don't want to set up Windows environment for one piece of software only.
your power is in details of scene
They say "Devil in the details". And Jeremy Birn also told that in his books.
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