----- Original Message ----- From: "Ed Matthew" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, January 27, 2003 12:13 AM Subject: Re: Question about Mamiya 500 DTL and Lenses
> The Mamiya > >M42 mount cameras had a open aperture metering system which not only was > >different than that adopted by Pentax but could cause damage to the > >exterior > >of a Pentax camera if they were mounted. > > The above statement applies only to those Mamiya lenses that were > 'redisgned' for the DSX and MSX series. The lenses originally sold with the > 500DTL and 1000DTL were simply single pin stop-down metering lenses. There > was no problem with those. The 500DTL/1000DTL and their predecessors, the > 500TL and the 1000TL were capable of stop=down metering only. > > >Also I believe that the Mamiya lenses lacked > >an auto manual switch which would make their use with a K-M42 adapter good > >only > >at maximum aperture unless you wish to preform some custom surgery on the > >lens. > >(I could be mistaken about that last point as I haven't looked at any of > >these > >lenses or cameras in a while). > > > > You are mistaken. The Mamiya/Sekor lenses as referred to above did have the > auto/manual switch. > > Regards, > Ed Matthew This Mamiya camera, from around 1970-71 (with a top shutter speed of 1/500s like the designation indicates - there was also a 1/1000s big brother) also had the neat feature of dual metering systems, "integral" and spot metering. You picked one or the other by a switch, and also used the film advance lever to trigger the metering. (I never had one, nor handled one - just read about it.) Lasse
