Hello, I have a Contax 139q that has a broken tab of the meter coupling ring. The camera doesn't meter properly as it never knows to what aperture the lens is set. I've called around and nobody repairs Contax SLRs. Do you know someone who does? Failing that, do you know where might I find a replacement meter coupling ring? And, failing that also, do you suppose it's possible to glue in a replacement tab? I have another 139q from which I could take measurements and file down a piece of donor plastic. Choosing the right adhesive for the type of plastics used could be difficult, but I suppose I could mix some epoxy to ensure permanence. I really would rather the camera be repaired professionally, of course. The second 139q needs a CLA of its own, too. Many thanks.