Quote Originally Posted by Kornscharfsteller View Post
Was that (nice) image shot using a center ND filter? I wonder how strong the vignetting actually is on 4x5 on that lens without a center ND filter.
1) learn to do the arithmetic. With a 58, the corners of 4x5 will be 2.8 stops down from the center.
2) there's a link to an article in post #6 above. Read the article.
3) since you don't like the idea of using a CF, just buy the damned lens and find out whether you can tolerate its vignetting.