I think that there are fewer bad lenses than there are lenses used badly. On Thu, May 30, 2013 at 6:31 AM, Bob Sullivan <rf.sulli...@gmail.com> wrote: > Eeuw, why would you want non-coated glass. > Flare, internal reflections, veiling flare. > Regards, Bob S. > > On Wed, May 29, 2013 at 11:45 PM, Alan C <c...@lantic.net> wrote: >> Refer to: >> >> http://kmp.bdimitrov.de/lenses/zooms/_non-SMC/index.html >> >> Note there is no "SMC" prefix. They may be optically the same. >> >> Alan C >> >> John Francis wrote: >> >> Are you sure you meant to put that qualifier there? >> >> AFAIK the F line (effectively the first auto-focus series) >> had multi-coating, just like the earlier M and A lenses, >> and the subsequent FA lenses. The difference between the >> F and the FA lenses is mostly in the information that is >> transmitted over the digital signal pin; while the exact >> details escape me now I think it might be that the FA >> lenses also tell the camera the focus distance the lens is >> set to, which allows for more complex exposure metering. >> >> >> -- >> 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. > > -- > 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.
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