That is what I am looking for, not getting it though. I'm only using farDOF and I should mention this is 2.27. I have 2.3, just have not bothered to update this project to it.
fw.GetRenderer().SetFarDOF(true);
fw.GetRenderer().SetFarDOFRange(Vec2(5,8));
fw.GetRenderer().SetFarDOFStrength(1.0);