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Thread: Voigtlander lens identification.

  1. #1

    Join Date
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    Voigtlander lens identification.

    Hi there,

    I recently was lucky enough to get a Voigtlander SN 296xx, which according to the web places it in 1884.
    It has a 7 engraved on the top, but no Euryscop, Rapid Euryscop or anything that would identify it further.
    Any idea on how to ID it?

  2. #2

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    Re: Voigtlander lens identification.

    It's probably a rapid rectlinear before they called them Euryscops. But you'll have to unscrew the back and see if it's two air spaced, separate glass lenses, or one cemented double. If the latter, it's a RR/Euryscop. If two in the rear, it's a Petzval. They made a lot of models, and didn't usually engrave what they were.

  3. #3

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    Re: Voigtlander lens identification.

    Can't you just measure the diameter of the glass both front and rear and assume that if they are the same diameter it's a RR and if the rear is a larger diameter it's a Petzval? Learning here too!

    Gundlach..

  4. #4

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    Re: Voigtlander lens identification.

    I've never noticed that ratio on a Petzval. But RRs are symmetrical, that's true.

  5. #5

    Re: Voigtlander lens identification.

    Quote Originally Posted by Gundlach View Post
    Can't you just measure the diameter of the glass both front and rear and assume that if they are the same diameter it's a RR and if the rear is a larger diameter it's a Petzval? Learning here too!
    No, that definitely does not work. I have seen many Petzval lenses which have the same diameter front and rear, and many which have a smaller in rear.

    Where did you learn that?

  6. #6

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    Re: Voigtlander lens identification.

    Darn it! The rear element is not coming out! The front one unscrewed with ease, but the rear doesn't budge :/
    It dose seem to have a focal length of 24 in and the front element is 4in across - so I guess it's f6.
    I don wonder when they started cementing the rear elements?
    Also - does anyone here have experience as far as which is 'better', or any particular traits that are particular to one or the other?

  7. #7

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    Re: Voigtlander lens identification.

    No doubt about what this is!

    It is a series IV Euryskop size no.7!

    Catalogue says 24.5" focal length, diameter of front lens is 4 1/8". Covers the magic 20x24"!!

    The non-engraved Voigtländer Europscopes are from around 20 - 31,000. By 29,000, they seem to decided on their future series (F values) and lenses are easier to place in the adopted series. Cost 210usd in 1890.

  8. #8

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    Re: Voigtlander lens identification.

    Thanks Steven,

    I can't wait to get this baby fitted on my Kodak 2D (I hope that camera will actually be strong enough to hold this beast). Going to my friend's wood shop later today to make up a lens board. Then I'll be ready for some pretty awesome wet plate work, which is what I've been getting into lately.

    Also - this lens had a Benster Pneumatic shutter installed into it - anyone here ever worked with one? I wonder how that little flap that closes the hole affects the bokeh, since it is always in the image circle....

  9. #9

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    Re: Voigtlander lens identification.

    You must post the Benster as it doesn't ring a bell - or perhaps it does?

    I fear a 2D is not up to the job!

  10. #10
    Jac@stafford.net's Avatar
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    Re: Voigtlander lens identification.

    Steve, how is it that you can positively ID his lens and not this one:
    http://www.digoliardi.net/voigtlander7/index.htm

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