Quote Originally Posted by tkamiya View Post

Do you see the symptom I described about top edge not being crisp on vertical and vignetted corners on horizontal but long end actually a bit longer with crisp edges? I've been wondering if this is common on ProSD with 6x8 back. I can scan my film and post it if my description is confusing.
The ProSD gives crisp, well defined and sharp edges and corners on vertical orientation to form a 56x76mm negative. On horizontal (Landscape) orientation bottom corners (really the upper since it is upside down) are vignetted to give 72mm long bottom side. Other than this all sides are crisp and sharp also on horizontal orientation.