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Thread: Anyone recognise this Goerz 120mm Double Anastigmat?

  1. #1

    Join Date
    Oct 2012
    Posts
    10

    Anyone recognise this Goerz 120mm Double Anastigmat?

    Here's another one I can't identify (yet). It's a Goerz Doppel Anastigmat Series III/0 F=120mm, serial no. 108507.
    It doesn't look like the DA's Series III/0 I found so far and the F-stops are 4,6-6-12-24-48-96-192.
    There is a slot and internally there is nothing pointing towards a perhaps missing iris diaphragm.
    Anyone have a clue?
    Thanks in advance,
    Peter

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  2. #2

    Join Date
    Dec 2001
    Location
    NJ
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    7,615

    Re: Anyone recognise this Goerz 120mm Double Anastigmat?

    Goerz Doppel Anastigmat Ser. III = Dagor.

    Look up Stölze aperture scale.

  3. #3

    Join Date
    Sep 2008
    Location
    Oxfordshire UK
    Posts
    977

    Re: Anyone recognise this Goerz 120mm Double Anastigmat?

    AND fwiw I have one here, it's mounted into one of those B & L Automat Shutters

    regards

    Andrew

  4. #4

    Join Date
    Sep 2008
    Location
    Oxfordshire UK
    Posts
    977

    Re: Anyone recognise this Goerz 120mm Double Anastigmat?

    The aperture scales are 'the old European scales' - my understanding is that the Dagor's were pretty well f6.8 and then f7.7 for the larger FL's but Dan is a better resource than me

    rgds

    Andrew

  5. #5

    Join Date
    Oct 2012
    Posts
    10

    Re: Anyone recognise this Goerz 120mm Double Anastigmat?

    Thanks Andrew & Dan! Also found Dan's onedrive info - great resource!

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