Carlos, I have wondered if it is possible to convert a Zeiss CY mount lens to QBM as mentioned in a previous listing. John On 20/08/2010 14:54, "CarlosMFreaza" <cmfreaza@xxxxxxxxx> wrote: > > Some earlier CZ lenses for the Contax/Yashica mount have identical > diagrams and technical data regarding the QBM CZ lenses, the Planar > 1,4/50 is a sample, however CZ upgraded the design for some > Contax/Yashica lenses afterward. > > Carlos > --- Rollei List - Post to rollei_list@xxxxxxxxxxxxx - Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe' in the subject field OR by logging into www.freelists.org - Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with 'unsubscribe' in the subject field OR by logging into www.freelists.org - Online, searchable archives are available at //www.freelists.org/archives/rollei_list