Well, I finally got the lens. Will get around to taking some pix with it one of these days. I have only peered through it on the ground glass of my 8x10 while someone held it for me. Looks like it will cover 4x5 no problem, and does not look all that swirly, if at all. Gotta rig it up to a lens board for my Sinar or Kodak No. 2 somehow first. I don't think my Sinar Copal DB shutter is wide enough to use with this lens.