That is interesting John, did you buy the cameras and lenses brand new close the manufacture year? Carlos 2010/8/20 John Wild <JWild@xxxxxxxxxxxxxxxxxxxxxx>: > Carlos, > > My surprise is that the lenses I bought as part of the SL35M and SL35ME > cameras (which are pre 1976) are QBM IV. Not so much with the SL35E but > still, according to Claus, these cameras were supposedly supplied with QBM > III lenses too. > > I had never studied them in detail before, just accepting that they worked > with the respective camera metering system and so had need to. Is all it > means is that I can sell the lenses as QBM IV knowing they will work with > 2000/3000 cameras! > > John > > > On 20/08/2010 12:03, "CarlosMFreaza" <cmfreaza@xxxxxxxxx> wrote: > >> 2010/8/20 John Wild <JWild@xxxxxxxxxxxxxxxxxxxxxx>: >>> >>> All the other lenses I have are QBM IV although they may have been >>> converted, because according to Prochnow's book they were not supplied as >>> such for the SL35M, SL35ME nor SL35E which had QBM III mounts... >> >> John: >> The explanation above is applied to Rollei and Carl Zeiss >> lenses, however most Rolleinar/Japan lenses for the Rolleiflex made >> from 1976/77 have QBM IV only, my two Rolleinar lenses were also made >> for Rolleiflex QBM IV only, there are no Rolleinar lenses versions >> for earlier QBM mounts except some QBM III for Voigtländer. The SL >> 2000F was introduced in the market during 1980, however the first >> complete prototype is from 1976 and then the Rolleinar lenses with QBM >> IV were made from 1976 thinking in this camera. >> >> 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 >> > > --- > 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 > > --- 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