Archived posting to the Leica Users Group, 2007/01/15
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Anyone do a test with the new Elmarit 28mm f2.8 ASPH? Slobodan Dimitrov http://www.sdimitrovphoto.com/ On Jan 15, 2007, at 6:08 PM, Leonard Taupier wrote: > Mark, > > Not so sure. Leica's data shows a lot of vignetting at f5.6. > > Len > > > On Jan 15, 2007, at 8:56 PM, Mark Rabiner wrote: > >> On 1/15/07 7:35 PM, "Leonard Taupier" <len-1@comcast.net> typed: >> >>> Here are a few examples of vignetting using the 28mm Summicron. >>> These >>> were shot in b&w but the sky was crystal clear blue. These were shot >>> by my son at Zion, Bryce and the Grand canyon. >>> >>> <http://gallery.leica-users.org/v/LeonardT/28mm/Img138.jpg.html> >>> >>> <http://gallery.leica-users.org/v/LeonardT/28mm/Img145.jpg.html> >>> >>> <http://gallery.leica-users.org/v/LeonardT/28mm/Img225.jpg.html> >>> >>> <http://gallery.leica-users.org/v/LeonardT/28mm/Img136.jpg.html> >>> >>> I'm not sure of the f stop but I believe they were in the f5.6 to f8 >>> range. We ran a test in my backyard of the Summicron versus the >>> Elmarit (not asph). The Elmarit had a little less vignetting. All >>> the >>> examples were easily fixed in Photoshop using the lens distortion >>> filter. >>> >>> Len >>> >>> >>> >> I don't think you're going to get vignetting at f5.6 to f8 with >> even the >> cheapest dumbest glass. >> I think this is sky polarization or digital stuff emphasized by >> extreme >> addition of contrast. >> >> >> Mark Rabiner >> New York, NY >> 40?47'59.79"N >> 73?57'32.37"W >> >> http://rabinergroup.com/ >> >> >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information