> Of course we must assume average brightness - if > everything is bright - so there is no need to blur. http://upload.wikimedia.org/wikipedia/commons/thumb/8/80/Statue_at_Metairie_Cemetery.jpg/450px-Statue_at_Metairie_Cemetery.jpg Imagine the background would be pure white. Why shouldn't there be a blur? Makes no sense to me. Greets, Kiste
