Rolleinar 28mm 1:2.8 wide angle lens, QBM mount, front rim dented, optically EXC

A new bayonet mount, QBM (Quick Bayonet Mount) was introduced with the launch of the Rollei SL35 in 1970, and subsequently used in all Rollei SLRs (and most of the Voigtlander VSL series). All optical surfaces are clean and clear of marks, scratches or fungus.