A plastic step-down ring. There is no brand information on the ring, but it is most likely Linhof. "70.60" is marked on one side of the reducing ring. There is a nub at one side. There is an adjustment spring lever on one side.
A plastic step-down ring. There is no brand information on the ring, but it is most likely Linhof. "70.60" is marked on one side of the reducing ring. There is a nub at one side. There is an adjustment spring lever on one side.
