Manual Lens Weird sonnar lens

John Poch

New Member
Does anybody got info about this lens?
It doesn´t say Carl Zeiss anywhere buy construction is identical as a Contax I lens. Serial number is 60080 and it says R.1038
I bought in a store in Buenos Aires.
Thanks!
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I'm looking at my 5cm F2 Sonnar, made for the Contax I. The SN for my lens is in the 1.4Million range. This is a rigid lens, no filter threads, and stops down to F22. My lens appears to have a larger front element than yours.

After WW-II, many Zeiss lenses were "cobbled together" from existing parts, many had a "one-off" appearance. Your lens looks unique.

The SN range of your lens would normally place it as a post-war, West German lens. "Zeiss Opton". The "R.1038"- maybe an X-Ray lens. I have an early 5cm F2 Sonnar made in the 1930s that was coated and mounted in a new fixture, probably used in an X-Ray type machine.
 
I'm looking at my 5cm F2 Sonnar, made for the Contax I. The SN for my lens is in the 1.4Million range. This is a rigid lens, no filter threads, and stops down to F22. My lens appears to have a larger front element than yours.

After WW-II, many Zeiss lenses were "cobbled together" from existing parts, many had a "one-off" appearance. Your lens looks unique.

The SN range of your lens would normally place it as a post-war, West German lens. "Zeiss Opton". The "R.1038"- maybe an X-Ray lens. I have an early 5cm F2 Sonnar made in the 1930s that was coated and mounted in a new fixture, probably used in an X-Ray type machine.
I thought postwar optons got coatings, this one has none, not even inside. And the construction and parts looks like contax I. I got also a 5cm 1.5 nikel black from a contax I and ranged 1.5M. Even engravings details look the same. Can be "made" in west poswar because it´s all brass.
But! I got a rear group from a 5cm 1,5 18XXXX with the same style of numbers. Would they grab old ones and used it whatever they need. Medical machines would be the same model for years or even decades Ive been told.
 

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