Archived posting to the Leica Users Group, 2009/01/18
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]On Jan 18, 2009, at 6:36 AM, Seth Rosner wrote: > All different optical designs. All are Gauss derivatives. #1 is an 8- > element, #2 and 3 are 6-element with slight differences (in #2 the > second and third elements are cemented together whereas in #3 they > are separated by air, sometimes called an "air lens" for the > different refracting effect of air vis-a-vis glass, and #4, > frequently referred to as the "pre-aspheric", is 7-element with > elements 2 & 3 and elements 6 & 7 cemented together. some love especially #4, calling it the bokeh king. I love that lens... what are your thoughts Seth? Steve > If you're really interested in this stuff, Erwin Puts' book, "Leica > Lens Compendium" is an excellent resource, though in it Erwin > occasionally expresses opinions with which I have disagreed > publicly. Seth > > ----- Original Message ----- From: "Robert Meier" <robertmeier@usjet.net > > > To: "Leica Users Group" <lug@leica-users.org> > Sent: Saturday, January 17, 2009 7:37 PM > Subject: Re: [Leica] FS 35mm Summicron > > >> They both have the full ring, serrated over about 270 degrees of it, >> the aperture numbers the rest of the way. So, they are BOTH version >> 3 -- that is surprising, good news. But all four versions are the >> same optically, aren't they? Bob >> >> On Jan 17, 2009, at 6:30 PM, Seth Rosner wrote: >> >>> Bob, I've just taken a look at Erwin Puts' book and see that he >>> puts the intro of version 3 in 1971 that would make both of your >>> lenses version 3's. One other way to determine to which group your >>> earlier lens belongs is ask if the diaphragm is controlled by a >>> small tab that protrudes from the lens mount or by a more typical >>> ring. If the former, it is version 2, if the latter, they're both >>> version 3. >>> >>> ----- Original Message ----- From: "Robert Meier" >>> <robertmeier@usjet.net> >>> To: "Leica Users Group" <lug@leica-users.org> >>> Sent: Saturday, January 17, 2009 6:12 PM >>> Subject: Re: [Leica] FS 35mm Summicron >>> >>> >>>> My other Summicron 35 is 2619853, which the list puts as only a >>>> year >>>> newer (thanks Arche), but this one is mint. I thought the newer >>>> one >>>> is version 3, but now I'm not sure. >>>> Bob >>>> >>>> On Jan 17, 2009, at 3:24 PM, Seth Rosner wrote: >>>> >>>>> Same series (version), Bob? >>>>> >>>>> ----- Original Message ----- From: "Robert Meier" >>>>> <robertmeier@usjet.net> >>>>> To: "Leica Users Group" <lug@leica-users.org> >>>>> Sent: Saturday, January 17, 2009 4:10 PM >>>>> Subject: Re: [Leica] FS 35mm Summicron >>>>> >>>>> >>>>>> Seth, >>>>>> >>>>>> That's a very impressive story, both about how well built a Leica >>>>>> lens is, and how good the Leica New Jersey service is/was. I >>>>>> should >>>>>> reconsider selling this lens, except I have another one that is >>>>>> newer >>>>>> and is even nicer! >>>>>> >>>>>> Bob >>>>>> >>>>>> On Jan 17, 2009, at 12:37 PM, Seth Rosner wrote: >>>>>> >>>>>>> Hi Bob, the lists I have show that your 35/2 Summicron is from >>>>>>> 1972 >>>>>>> production that commenced at #2503101 through 2556500. I believe >>>>>>> that Steve's serial numbers refer only to cameras. I bought >>>>>>> one of >>>>>>> these lenses shortly after their introduction in 1969 or 70. >>>>>>> Was in >>>>>>> my kit for a four-week visit to South and East Africa = 700+ >>>>>>> Kodachromes. >>>>>>> >>>>>>> One afternoon in our hotel room in Nairobi after returning >>>>>>> from an >>>>>>> 8-day tour of the Serengeti, I put down my M4 w/ 35/2 Summicron >>>>>>> attached to answer the phone. I had forgotten to twist the >>>>>>> lens to >>>>>>> full lock. When I picked it up, the lens plunged onto a tile >>>>>>> floor, >>>>>>> bending the rear flange. I literally burst into sweat, told my >>>>>>> wife >>>>>>> that I had to go for a short walk to calm down. Returned to >>>>>>> hotel >>>>>>> room, looked once again at bent flange, shook lens vigorously to >>>>>>> ascertain if there were loose glass elements, diaphragm blades >>>>>>> or >>>>>>> other un-Leica-like anomalies, etc, tried it on the M4 to >>>>>>> which it >>>>>>> seemd to mate as usual. Had no back-up 35mm so used it balance >>>>>>> of >>>>>>> the trip. On return to NYC, I called Vince Fochtman, the lens >>>>>>> guy >>>>>>> at Leitz/Rockleigh whom I knew pretty well, told him the story >>>>>>> and >>>>>>> said I was sending him the lens; if there was damage to the >>>>>>> glass >>>>>>> or mechanicals that could not be made perfect, please just >>>>>>> return >>>>>>> the lens with a bill and I would sell it and find another; if it >>>>>>> could be made optically and mechanically flawless despite >>>>>>> cosmetic >>>>>>> flaws, please repair the lens. A week passed, my lens returned >>>>>>> with >>>>>>> a Leitz invoice that had no charge. I called Vince and >>>>>>> inquired. He >>>>>>> said the lens was fine, glass clean, clear, not decentered a >>>>>>> micron, just as good as it had come from Wetzlar; he had been >>>>>>> able >>>>>>> very gently and little by little to bend the bent- out-of-shape >>>>>>> flange into perfect alignment, didn't need any parts, so no >>>>>>> charge! >>>>>>> Talk about robust fortress-like construction! I would like to >>>>>>> think >>>>>>> that current production is just as strong. Who knows? >>>>>>> >>>>>>> Enjoy your Summicron! >>>>>>> >>>>>>> Seth >>>>>>> >>>>>>> Seth >>>>>>> >>>>>>> ----- Original Message ----- From: "Robert Meier" >>>>>>> <robertmeier@usjet.net> >>>>>>> To: "Leica Users Group" <lug@leica-users.org> >>>>>>> Sent: Saturday, January 17, 2009 11:19 AM >>>>>>> Subject: Re: [Leica] FS 35mm Summicron >>>>>>> >>>>>>> >>>>>>>> Seth, >>>>>>>> >>>>>>>> Thanks for that confirmation. Where can I go to check the >>>>>>>> serial >>>>>>>> numbers of lenses? All I know about is Stephen Gandy's >>>>>>>> lists of >>>>>>>> body serial numbers. >>>>>>>> >>>>>>>> Thanks, >>>>>>>> Bob >>>>>>>> >>>>>>>> >>>>>>>> On Jan 17, 2009, at 7:06 AM, Seth Rosner wrote: >>>>>>>> >>>>>>>>> it is indeed the second version >>>>>>>>> >>>>>>>>> ----- Original Message ----- From: "Robert Meier" >>>>>>>>> <robertmeier@usjet.net> >>>>>>>>> To: "Leica Users Group" <lug@leica-users.org> >>>>>>>>> Sent: Friday, January 16, 2009 8:02 PM >>>>>>>>> Subject: Re: [Leica] FS 35mm Summicron >>>>>>>>> >>>>>>>>> >>>>>>>>>> I have a 35mm Summicron, pre-aspheric, that shows wear on the >>>>>>>>>> barrel >>>>>>>>>> (no dents or dings) and has mint glass. With both caps. I >>>>>>>>>> think it >>>>>>>>>> is 2nd version, but I'm not sure. The serial number is >>>>>>>>>> 2541855, >>>>>>>>>> $750 >>>>>>>>>> >>>>>>>>>> _______________________________________________ >>>>>>>>>> Leica Users Group. >>>>>>>>>> See http://leica-users.org/mailman/listinfo/lug for more >>>>>>>>>> information >>>>>>>>> >>>>>>>>> >>>>>>>>> ---------------------------------------------------------------- >>>>>>>>> -- -- -- ---------- >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> No virus found in this incoming message. >>>>>>>>> Checked by AVG - http://www.avg.com >>>>>>>>> Version: 8.0.176 / Virus Database: 270.10.8/1898 - Release >>>>>>>>> Date: >>>>>>>>> 1/16/2009 3:09 PM >>>>>>>>> >>>>>>>>> >>>>>>>>> _______________________________________________ >>>>>>>>> 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 >>>>>>> >>>>>>> >>>>>>> ------------------------------------------------------------------ >>>>>>> -- -- ---------- >>>>>>> >>>>>>> >>>>>>> >>>>>>> No virus found in this incoming message. >>>>>>> Checked by AVG - http://www.avg.com >>>>>>> Version: 8.0.176 / Virus Database: 270.10.8/1898 - Release Date: >>>>>>> 1/16/2009 3:09 PM >>>>>>> >>>>>>> >>>>>>> _______________________________________________ >>>>>>> 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 >>>>> >>>>> >>>>> -------------------------------------------------------------------- >>>>> -- ---------- >>>>> >>>>> >>>>> >>>>> No virus found in this incoming message. >>>>> Checked by AVG - http://www.avg.com >>>>> Version: 8.0.176 / Virus Database: 270.10.8/1898 - Release Date: >>>>> 1/16/2009 3:09 PM >>>>> >>>>> >>>>> _______________________________________________ >>>>> 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 >>> >>> >>> ---------------------------------------------------------------------- >>> ---------- >>> >>> >>> >>> No virus found in this incoming message. >>> Checked by AVG - http://www.avg.com >>> Version: 8.0.176 / Virus Database: 270.10.8/1898 - Release Date: >>> 1/16/2009 3:09 PM >>> >>> >>> _______________________________________________ >>> 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 > > > -------------------------------------------------------------------------------- > > > > No virus found in this incoming message. > Checked by AVG - http://www.avg.com > Version: 8.0.176 / Virus Database: 270.10.8/1898 - Release Date: > 1/16/2009 3:09 PM > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information