I'm going to try Nikon glass on a Pentax body Cotty. A K mount ring and a spacer should do it. I'll start with a cheap lens though, I value my NIKKOR-P 105/2.5 (100% mint) rather highly. ;-) The view with the 105 held up to an ME Super was rather awesome.
Don > -----Original Message----- > From: Cotty [mailto:[EMAIL PROTECTED] > Sent: Saturday, December 31, 2005 5:23 PM > To: pentax list > Subject: Re: Nikon lens on M42 body??????? > > > On 31/12/05, Adam Maas, discombobulated, unleashed: > > >Cotty, since the Nikon's register is longer, it would maintain infinity > >focus after being adapted to a K mount, but that would require a mount > >replacement instead of a straight adaptor, since it's only 1mm > >difference. It's going the other way that's impossible. The basic > >technique you used for the K to EOS adaptation should work. > > Your words are not false Adam of Maas. > > The Nikon register is 46.5 mm. The Pentax is 45.46 mm. In order to use > an adapter of suitable thickness to maintain structural integrity > (*love* the Trekisms), with a Pentax lens then an element must be used > if infinity focus is to be kept. Of course, if a mount change is done > instead, including a 1mm increase in register, then it should be quite > possible to do without the need of an optical element. I would question > the need to do so, certainly on quality grounds as vintage Nikon glass > rivals Pentax bottles. Except, of course, that it would be quite cool to > wander about with an A*85 1.4 on an FM body :-) > > 40 minites to midnight and I'm writing the damn list !! I'm ORF! > > happy new year :-))))) > > > > > Cheers, > Cotty > > > ___/\__ > || (O) | People, Places, Pastiche > ||=====| http://www.cottysnaps.com > _____________________________ > >
