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Biotar 1:2 5,8 "T" Black Rare version
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PostPosted: Mon Jun 04, 2007 8:23 pm    Post subject: Biotar 1:2 5,8 "T" Black Rare version Reply with quote

I bought this one blind, with it not being pictured on the auction, but when it arrived instead of the shiny silver version I got this drab brown fellow. It is in a rather sorry state but still gives some interesting "soft focus" effects de to the poor state of the glass. Its not a zeiss barrel that I have seen before any ideas? Oh it also has like a 16 blade aperture rather than the silver biotars 10




PostPosted: Mon Jun 04, 2007 8:52 pm    Post subject: Reply with quote

I think it is a beauty!
It seems to be a really old lens.
This lens shows the focal length in cm (5.8 cm), thus I think it is an early version of the classical 2/58 Biotar made in Jena, the lens btw. that was the design "template" for the Helios-44 2/58.


PostPosted: Mon Jun 04, 2007 9:03 pm    Post subject: Reply with quote

Some Biotar 58s were made in a black finish and are very rare - the black finish on yours has probably worn off over the years to expose the base metal underneath hence the brown appearance.

Some info courtesy of Mr Wrotniak - scroll down to the end to the Zeiss section:
http://www.wrotniak.net/photo/exakta/lens-list.html

And here's a pic from the same site:
http://www.wrotniak.net/photo/exakta/_img/x/ex-22(21)-671607-x.jpg


Last edited by bob955i on Mon Jun 04, 2007 9:09 pm; edited 1 time in total


PostPosted: Mon Jun 04, 2007 9:03 pm    Post subject: Reply with quote

heres a quick pic with it just a bit of colour correction


PostPosted: Mon Jun 04, 2007 9:27 pm    Post subject: Reply with quote

This is a very rare black Biotar with T coating! Very valuable lens you made a good bargain.


PostPosted: Tue Jun 05, 2007 2:09 am    Post subject: Reply with quote

It looks like the very first series of standard lenses from the Contax S, c.1948-9. One like it is on the cover of Alexander Schulz's "Contax S": http://rick_oleson.tripod.com/index-137.html

I believe some of these may also have been supplied with early postwar Prakticas about the same time.