Archived posting to the Leica Users Group, 2009/01/18
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]And joining the LHSA will get you a CD of all the past issues, minus the very last ones. But I'm sure an appendix will be on its way eventually. sd On Jan 18, 2009, at 6:56 AM, Seth Rosner wrote: > Actually Steve, I've never used the pre-ASPH Summicron but have > heard the same things you have. The 35mm that I use is the 35/2,8 > Summaron that we tested vs. the pre-ASPH and the 8-element > Summicrons on the Optikos Corporation MTF optical test bench; see > the article in LHSA Viewfinder magazine, Vol 37 No 4 (4th qtr 04). > Showed pretty clearly that if you don't need the added stop of > speed, the Summaron was the choice. > > I'd attach a copy of the manuscript but I think Brian's software > strips away attachments > > Seth > > Seth > > ----- Original Message ----- From: "Steve Barbour" <kididdoc@cox.net> > To: "Leica Users Group" <lug@leica-users.org> > Sent: Sunday, January 18, 2009 8:57 AM > Subject: Re: [Leica] FS 35mm Summicron > > >> >> 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 >> >> >> _______________________________________________ >> 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: 270.10.8/1899 - Release Date: > 1/17/2009 5:50 PM > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information