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Thread: Production year of the CZJ Tessar 180 lens

  1. #1

    Production year of the CZJ Tessar 180 lens

    Hello,
    could anybody tell me please, how can I find the year of production of my CZJ Tessar lens?
    On the front ring of the lens is: Carl Zeiss Jena Nr.2814331 Tessar 1:4,5 f=18cm
    On the side - N51

    Thanks
    Alexander

  2. #2

    Join Date
    Dec 2001
    Location
    NJ
    Posts
    6,473

    Re: Production year of the CZJ Tessar 180 lens

    1942 or so.

  3. #3

    Join Date
    Aug 2008
    Location
    Germany
    Posts
    1,380

    Re: Production year of the CZJ Tessar 180 lens

    Anywhere between 1942 and 1948 - they hit the 2.7 million in 1942, but they numbered lenses by batch, and by the later war years, many batches were postponed, with some numbers reused in the post-war period.

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