premultiply??

I am fairly new to MR. I notice that MR dosn

what do you mean the output image isnt opremultiplied alpha or something in your scene isnt like that?

Wether or not the output is premultiplied is geverned by the premutyipied switch udner freamebiffer attributes?

Premultiplied is the default setting, I think.
Are you using DOF?

-k