Quote Originally Posted by archphoto View Post
These lenses were designed for the close range but can be used for portraits on 4x5 inch among things.
Why would a wide field lens be designed for close range work? Especially one which is of a design somewhat similar to a Schnieder 6.8 angulon.

Wide field, portraits, close range, 210mm = optical contradictions. Makes no sense.

Mike1234 might be on the right track..