28mm to 45.5 is indeed much. Anyway, a lens would have to be VERY good to warrant a need for an 'optical adapter' IMO.
Thanks for clearing things up about actual register distance of both mounts. 2010/5/28 Adam Maas <a...@mawz.ca>: > Those optical adapters can handle a few mm of difference in register. > You'd need something far more complex to adapt a lens with a ~28mm > register to a mount with a 45.5mm register. > > On Fri, May 28, 2010 at 10:04 AM, Thibouille <pentaxl...@gmail.com> wrote: >> Well some adapters do sport corrective lenses to take care of that. >> I won't say this is a good idea (obviously) but those exist (but Leica >> to Pentax, I dunno). >> >> -- >> Thibault Massart aka Thibouille/Thibs >> ---------------------- >> Photo: K-7, Sigma 28/1.8 macro, FA50/1.4, DA40Ltd, K30/2.8, DA16-45, >> DA50-135, DA50-200, 360FGZ ... >> Laptop: Macbook 13" Unibody SnowLeo/Win7 >> Programing: Delphi 2009 >> >> -- >> PDML Pentax-Discuss Mail List >> PDML@pdml.net >> http://pdml.net/mailman/listinfo/pdml_pdml.net >> to UNSUBSCRIBE from the PDML, please visit the link directly above and >> follow the directions. >> > > > > -- > M. Adam Maas > http://www.mawz.ca > Explorations of the City Around Us. > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. > -- Thibault Massart aka Thibouille/Thibs ---------------------- Photo: K-7, Sigma 28/1.8 macro, FA50/1.4, DA40Ltd, K30/2.8, DA16-45, DA50-135, DA50-200, 360FGZ ... Laptop: Macbook 13" Unibody SnowLeo/Win7 Programing: Delphi 2009 -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.