Archived posting to the Leica Users Group, 2007/01/11
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Marc, I have the 1st version of the 5/40cm Telyt. According to the serial number it was probably produced in 1952. Except for the haze it is in very nice shape. It's a pretty heavy chunk of glass. I've had the lens for 2 months now and am planning to have it cleaned along with a IIIc and a M3. I also have a 3.5/5cm Elmar and a 3.5/65 Elmar that have a little fungus and a very little haze that needs cleaning up. What I need the most is someone good with lenses. The two bodies are working OK, nothing broken, just time for a CLA. I'm not familiar with Van Stelton. Len On Jan 11, 2007, at 10:23 PM, Marc James Small wrote: > At 07:21 PM 1/11/2007, Leonard Taupier wrote: > >Hi Marc, > > > >I have a couple lenses with haze. One is severe, a 400mm f5 Telyt. It > >makes scanned photos low contrast but as soon as I run auto levels, > >the pictures from it are sharp as a tack, equaling a couple of my > >expensive Nikon zooms. > > > >Wasn't the coating thing a patent issue with Pentax I believe. Nikon > >payed and Leica wouldn't. > > Get the lens overhauled. Long-focus lenses are generally easy to > disassemble and clean and a bottle of ROR or the like costs a > pittance. If you cannot do it, Van Stelton or his ilk will meet > your needs. Why have a lens in your arsenal that is not capable of > the best service? > > Leitz never produced a 5/400mm Telyt. They did produce two > different versions, however, of a 5/40cm Telyt. Which one do you > have, the first or the second? Erwin Puts and I have fought over > the second generation 5/40cm, which I find a really grand lens and > which he shunts aside in his own analysis. I guess that I have a > pick of the chix one, and so be it: mine is a magnificent lens in > my estimation. > > Pentax has absolutely nothing to do with the patent issues on > coatings. in the 1950's Carl Zeiss held the Smakula vacuum-coating > patent which did not expire until early 1960. Prior to that, Leitz > had to coat its lenses with drip method which left a wet coating. > Firms more friendly to Zeiss, such as Schneider, Steinheil, and > Voigtl?nder and others had enjoyed the use of the Smakula patent > for years. > > Pentax does have something to do with the development of the > parallel Zeiss T* and Pentax SMC multi-coatings, but that has > nothing to do with Leitz. > > Marc > > > msmall@aya.yale.edu > Cha robh b?s fir gun ghr?s fir! > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information