When the user wrote that the focal reducer sucks, I guess it's because of the experience to have to couple more glass to the camera/lens setup... The point is that the now infamous : D 'medium format look' is often referred for the circle of confusion, which is something crucial going along optics, the border between what it is in focus and its visual impact (where all the aforementioned process of perception arises) with the bokeh (comes from the word boke, blur in Japanese) -- and let alo