Hi all,

I'm ready to do some 16x20 VDB. As my light unit isn't large enough to handle the frame I'm going to use mother nature. Being in south california helps.
I was talking about that with a friend and he advised me to create a difuser above the frame to avoid any zoning due to variation of the sun.

I have doubts about that. If there is any variation (and there is) it should be on the whole frame. I don't see his point.

Is he paranoiac ? Am I missing something ?

Thanks for your responses in advance.
Guillaume