Quote Originally Posted by Jeff Searust View Post
If you ever get a chance, the Rodenstock Imagon SF 200mm lens for the Mamiya RB-67 is an amazing beast. I had never seen one till I bought one and since I bought one, will never go back to the Mamiya SF 150mm.
I also recommend the Imagon, if you can find the lens with an adapter. The disks with this lens slip on the front so you don't have to worry about pulling the lens apart. The longer focal length could be more difficult to work with, though.