Thaarhac opened this issue on Aug 23, 2013 ยท 33 posts
aRtBee posted Sat, 24 August 2013 at 2:02 AM
as with photographs (on old days film): you need more light. Otherwise you'll end up raising the ISO value or the equivalent, and then you get grain.
To test for yourself: in LuxRender, use Linear tonemapping (instead of Auto), set ISO to say 200, fStop to 5.6 and speed to 1/125. These are normal photography settings for portraits. Then you should have proper lighting in Lux as well.
Treat Lux like a camera is my message. Same with Octane.
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Usually I'm wrong. But to be effective and efficient, I don't need to be correct or accurate.
visit www.aRtBeeWeb.nl (works) or Missing Manuals (tutorials & reviews) - both need an update though