Archived posting to the Leica Users Group, 2016/12/17
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Hi Alan, Very nice comparisons. And since you used a heavy tripod, much more scientific than mine. But the results are the same. Old Summicrons Rule! Mine is a Summicron-R from 1978. Thanks for sharing this with me. Jim Nichols Tullahoma, TN USA On 12/17/2016 10:47 PM, Alan Magayne-Roshak wrote: > I too have a collection of "normal" lenses, so last March I tested 50mm > lenses for central resolution and bokeh from wide-open to f/4. > The lenses were: Canon f/1.2 LTM (1960), Nikkor f/1.2 (1990's), Nikkor > f/1.4 (1963), Summicron f/2 M collapsible (1959), Summicron f/2 DR (1966), > Super-Takumar f/1.4 (1968), and Olympus Zuiko f/1.4 (1990's). These were > done on my Fuji X-E2, (APS-C) so the edges on full-frame don't show. The > background is cluttered shelves in the basement. Camera was on 20-lb > Majestic tripod. > > Look large. > > Here are the maximum aperture frames for each. > <http://gallery.leica-users.org/v/Alan+Magayne-Roshak/LensFu > n/50mm+Lenses/Canon_1_2_at_1_2.jpg.html> > <http://gallery.leica-users.org/v/Alan+Magayne-Roshak/LensFu > n/50mm+Lenses/Nikkor_1_2_at_1_2.jpg.html> > <http://gallery.leica-users.org/v/Alan+Magayne-Roshak/LensFu > n/50mm+Lenses/Nikkor_1_4_at_1_4.jpg.html> > <http://gallery.leica-users.org/v/Alan+Magayne-Roshak/LensFu > n/50mm+Lenses/Summicron_2_Coll_at_2.jpg.html> > <http://gallery.leica-users.org/v/Alan+Magayne-Roshak/LensFu > n/50mm+Lenses/Summicron_2_DR_at_2.jpg.html> > <http://gallery.leica-users.org/v/Alan+Magayne-Roshak/LensFu > n/50mm+Lenses/Super-Takumar_1_4_at_1_4.jpg.html> > <http://gallery.leica-users.org/v/Alan+Magayne-Roshak/LensFu > n/50mm+Lenses/Zuiko_1_4_at_1_4.jpg.html> > > For (central) resolution, I evaluated the lenses at f/4, and found that by > a small margin, the three best were the Nikkor f/1.2, and the two old > Summicrons: > <http://gallery.leica-users.org/v/Alan+Magayne-Roshak/ > LensFun/50mm+Lenses/Nikkor_1_2_at_4.jpg.html> > <http://gallery.leica-users.org/v/Alan+Magayne-Roshak/ > LensFun/50mm+Lenses/Summicron_2_Coll_at_4.jpg.html> > <http://gallery.leica-users.org/v/Alan+Magayne-Roshak/ > LensFun/50mm+Lenses/Summicron_2_DR_at_4.jpg.html> >