You have a nice set, Chuck! The lens mounted in this VXIib is a Pancolar 50/2, the long Zebra one on the right is a Sonnar 135/4, and the lens on the left is a Flektogon 35/2.8, which I like a lot. I believe that I also have a Tessar somewhere, along with 28mm and 100mm third-party lenses.