Archived posting to the Leica Users Group, 2012/04/10
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Yep that's Leica's business model! Designing cheap glass. - - from my iRabs. Mark Rabiner http://gallery.leica-users.org/v/lugalrabs/springdays/ > From: Dante Stella <dstella1 at ameritech.net> > Reply-To: Leica Users Group <lug at leica-users.org> > Date: Tue, 10 Apr 2012 20:56:39 -0400 > To: Leica Users Group <lug at leica-users.org> > Cc: Leica Users Group <lug at leica-users.org> > Subject: Re: [Leica] The world is awash with M9....... > > The 28mm Elmarit ASPH is challenged in the corners because it is designed > to > be a cheap (orig $1,600) compact lens, no? > > Dante > > On Apr 10, 2012, at 19:03, Marty Deveney <benedenia at gmail.com> wrote: > >> The 28 Elmarit 2.8 ASPH appeared to be designed for the M8 not the >> Summicron - its performance drops in the corners when used wide open >> on a 24x36mm frame as you can see on the MTF chart linked from here: >> http://us.leica-camera.com/photography/m_system/lenses/2194.html. The >> 28 Summicron is sharp right out to the corners, and has a very flat >> field. H. Ball Arche, who used to use a 28 a lot and posted here >> prolifically, didn't like the flat field because it made heads in the >> corners of the frame look like footballs - he preferred the C-V 28/1.9 >> which had greater barrel distortion and a less flat field, but less >> apparent distortion of things like heads in the corners. A nice >> display of the compromises optical design includes. >> >> The 35 Summicron ASPH was designed during the film era and in some >> ways doesn't perform as well as the 35 Summilux ASPH II with the >> floating element, but it's still pretty formidable. On the M8 I >> prefer a 28 to a 35, but I think generally I prefer a 28 overall, even >> if it is the Nikkor 28mm f1.4 which is actually a ~31mm lens. After >> Leica revises the 50 Summicron (now the oldest lens in the M line up >> and the only Summicron without aspherical element(s)) the 35 and 90 >> ASPH Summicrons are probably next, because they are the oldest. >> >> Summicron 28 (borrowed, and my, look at that magenta!): >> http://gallery.leica-users.org/v/freakscene/Freakscene_001/L1002579.jpg.html >> Nikkor 28: >> http://gallery.leica-users.org/v/freakscene/Tsukiji/File0825.jpg.html >> >> Marty >> >> >> On Wed, Apr 11, 2012 at 6:40 AM, John McMaster <john at mcmaster.co.nz> >> wrote: >>> Where are you coming from Mark? >>> Where has it been said that they are lowering quality?? >>> Where is it said that they designed an M lens for smaller than 24mm x >>> 36mm??? >>> >>> I am on record here in saying how good the 28mm Summicron is..... >>> >>> All I am saying, and this backed up by users on this list, is that a 28mm >>> lens becomes the equivalent of a 35mm on the M8 and that is a more used >>> focal length than 28mm is for FF. >>> >>> Please read (and understand) what is being said rather than making things >>> up. >>> >>> john >>> ________________________________________ >>> >>> >>> It strike me as phantasmagorical baloney that Leica lowered its >>> standards on >>> edge quality to make the compact Leica 35mm f/2 SUMMICRON-M ASPH ideal >>> for >>> the M8 making it less ideal for the M9. By the way the lens is now being >>> sold new for just over four grand $. >>> I don't think Leica has ever made a lens for a crop camera and has stated >>> over and over any lens it ever makes will be fully usable on a film M. >>> I don't t think anything is going to get it to settle for less than >>> excellent edge quality for its M glass going straight out to a 43.3mm >>> image >>> crop circle.... >>> The 28 Summicron is a gem and at the top of my list for my next Leica >>> lens. >>> This lowering of quality thing is a LUG myth which I don't think we're >>> going >>> to find documented elsewise. >>> >>> >>> - - from my iRabs. >>> Mark Rabiner >>> http://gallery.leica-users.org/v/lugalrabs/springdays/ >>> >>> >>>> From: John McMaster <john at chiaroscuro.co.nz> >>>> Reply-To: Leica Users Group <lug at leica-users.org> >>>> Date: Wed, 11 Apr 2012 08:47:45 +1200 >>>> To: Leica Users Group <lug at leica-users.org> >>>> Subject: Re: [Leica] The world is awash with M9....... >>>> >>>> That is more of an M8 staple rather than the 35mm/50mm of the M9..... >>>> >>>> john >>>> >>>> -----Original Message----- >>>> >>>> I have seen more 28 Summicron for sale in the last month than last 2 >>>> years. >>> >>> >>> >>> _______________________________________________ >>> 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 > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information