Archived posting to the Leica Users Group, 2018/09/20
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]This I know Don, from experience over the decades and the many brands I?ve used. As well as vignetting, learned the hard way in my film times... It?s the amount of them (fall-off and vignetting) that I?d like to be able to assess, hence my remarks/suggestions. Amities Philippe > Le 20 sept. 2018 ? 23:08, Don Dory via LUG <lug at leica-users.org> a > ?crit : > > I believe that the sharpness missing in the corners is due to depth of > field issues. Almost all ultra wides have significant sharpness falloff as > you move off center. > > On Thu, Sep 20, 2018 at 4:05 PM Philippe via LUG <lug at leica-users.org> > wrote: > >> Thanks - there's a serious loss of sharpness in the angles at this >> aperture (thinking of the decaying trunk where flare appears in the bottom >> left corner too), but the center is (way) more than fine by my standards. >> >> Now, had you shot the flowers at a wider aperture, and these at f.11, I >> certainly would be the last one to blame you ? >> >> ;-) >> >> >> How is distortion when shooting less bucolic scenes, for instance the >> facade of a building at the smallest end of the zoom range, or the >> structure of a shopping mall, is the next question I?m aking myself :-) >> >> Keep them coming :-) >> >> Amities >> >> Philippe >> >> >> >>> Le 20 sept. 2018 ? 19:38, James Handsfield <jhandsfield at att.net> a >> ?crit : >>> >>> Here are four more shot this morning at Henderson Park, Tucker, GA. >> These are all shot at 16mm and wide open for comparison. >>> >>> http://www.gallery.leica-users.org/v/jhandsfield_att_net/Henderson+Park/ >> <http://www.gallery.leica-users.org/v/jhandsfield_att_net/Henderson+Park/> >>> >>> >>> Jim Handsfield >>> jhandsfield at att.net >>> >>> >>> >>> >>> >>> _______________________________________________ >>> 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 > > -- > Don > don.dory at gmail.com > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information