I don't know, here's ISCO's current web site. Beaker wrote: > Did ISCO have any connection with J Schneider Co.? (A fellow on an > other list said he thought it was a cheaper lens sold by "J Schneider > Co" (hence "JSCO").) > > Cheers > Beaker > > > > On Apr 17, 2007, at 10:28 PM, P. J. Alling wrote: > > >> "J" is an old form of the letter I. in this case. Much as the old >> from >> of the letter s looks to modern eyes like an f. >> >> Beaker wrote: >> >>> Pretty sure the lens says "JSCO-GOTTINGEN" on the front (can't check >>> it, since I left it at work). Wonder if "JSCO" is a different >>> (cheaper?) line of lenses. It is a machined metal bodied lens- looks >>> like aluminum. I will try to clean and lubricate the little bugger- I >>> suspect that old grease is its biggest problem. Best used as a >>> training item. >>> >>> I mean to emphasize the "little" part. The lens contacts and focus >>> drive are exposed when it is mounted on the camera. >>> >>> Thanks for confirming my first impressions. >>> >>> Cheers >>> Beaker >>> >>> >>> >>> >>> On Apr 17, 2007, at 9:58 AM, P. J. Alling wrote: >>> >>> >>> >>>> ISCO is a German manufacture of precision lenses. They made a >>>> lot of >>>> well respected of lenses for the Exacta, and later varying quality >>>> lenses in M42 mount. The quality seems to run from just awful to >>>> excellent, with build quality in the same range depending on >>>> era. I >>>> don't know if yours is one of the newer plastic body .lenses or an >>>> older >>>> machined metal version, but I doubt it's worth repairing. It >>>> probably >>>> isn't all that rare and thought there are really very few 50mm >>>> lenses >>>> optically terrible it's unlikely to be a sterling performer after >>>> fungus >>>> removal. >>>> >>>> Beaker wrote: >>>> >>>> >>>>> Hi- >>>>> >>>>> What is the reputation of JSCO-GOTTINGEN? >>>>> >>>>> I just bought a Westar 50mm, f2.8 lens, in M-42 mount, on e-bay. >>>>> For >>>>> $12.00, including shipping. Was curious about the lens, and he >>>>> price >>>>> was right. >>>>> >>>>> It arrived today, and I'm glad that is all I paid. Dosn't look like >>>>> it is coated, it has traces of fungus, the iris is stiff, and focus >>>>> isn't very smooth. Unless it is valuable enough to send out for >>>>> repair, I think I'll use it as my first attempt at lens repair. >>>>> >>>>> Any favorite web pages that deal with lens repair? >>>>> >>>>> Thanks for your help, >>>>> Mike Beacom >>>>> >>>>> >>>>> >>>>> >>>>> >>>> -- >>>> Entropy Seminar: The results of a five yeer studee ntu the sekend >>>> lw uf thurmodynamiks aand itz inevibl fxt hon shewb rt nslpn raq >>>> liot. >>>> >>>> >>>> -- >>>> PDML Pentax-Discuss Mail List >>>> [email protected] >>>> http://pdml.net/mailman/listinfo/pdml_pdml.net >>>> >>>> >>> >>> >> -- >> Entropy Seminar: The results of a five yeer studee ntu the sekend >> lw uf thurmodynamiks aand itz inevibl fxt hon shewb rt nslpn raq liot. >> >> >> -- >> PDML Pentax-Discuss Mail List >> [email protected] >> http://pdml.net/mailman/listinfo/pdml_pdml.net >> > > >
-- Entropy Seminar: The results of a five yeer studee ntu the sekend lw uf thurmodynamiks aand itz inevibl fxt hon shewb rt nslpn raq liot. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
