Someone should their hands on that lens and perform an autopsy... :-) Bong
On 3/27/07, P. J. Alling <[EMAIL PROTECTED]> wrote: > Pentax engineers put a ring inside the f2.0 lenses to restrict the > aperture. > > Wilko Bulte wrote: > > On Mon, Mar 26, 2007 at 01:02:39PM -0500, Bob Sullivan wrote.. > > > >> 40 years since they made these lenses. > >> The 2.0 and 1.8 are optically equivalent (elements, etc.) > >> > > > > What is it that accounts for the difference in speed, do you know? > > > > > >> Any competent repairman could have salvaged 1 good lens from 2 poor ones. > >> > > > > The build quality is excellent. I once had one of mine apart for servicing, > > this is just a different league from all that plastic stuff we have these > > days >:-| > > > > Wilko > > > > > > > -- > Entropy Seminar: The results of a five yeer studee ntu the sekend lw uf > thurmodynamiks aand itz inevibl fxt hon shewb rt nslpn raq liot. > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > -- Bong Manayon http://www.bong.uni.cc -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
