Identifying this antique lens (Anzoux?)

Discussion in 'Antiques and Collecting' started by Sperry, Dec 5, 2013.

  1. Sperry

    Sperry Member

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    Hi all,

    I recently inherited this antique lens,
    now the problem is I can't make heads or tails of the thing (I believe its a projector lens but not sure).
    The internet hasn't been a real big help figuring this out. So that's why I was wondering if this forum could help me out :smile:

    I removed a little bit of the "protective" paint on the lens and it revealed an inscription:
    "Anzoux & français (...text...) Paris"

    The lens weighs more than 3kg and the lens diameter is about 90mm.
    It has a "controle" on the side which makes the inner lens move (to focus it, I guess).

    Any information concerning this lens would be real helpful (Age of the lens, what it was used for, anzoux & francais, value, ...)

    Thanks in advance!

    (I'll try and attach photo's)
     

    Attached Files:

  2. Barry S

    Barry S Subscriber

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    It looks like a Petzval camera lens from the wet plate era (1850's-1870s). Some silly person gave it a coat of paint, but originally, it would have been varnished brass. It would have been mainly used for portraits. The value would depend on the condition of the glass (an if it's all there) and the focal length.
     
  3. Sirius Glass

    Sirius Glass Subscriber

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    I could not find it in Vade Mecum third addition
     
  4. illumiquest

    illumiquest Member

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    Looks worthless (you should give it to me)
     
  5. ntenny

    ntenny Member

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  6. Fixcinater

    Fixcinater Subscriber

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    Brevete sans garantie du gouvernement = Patented without government guarantee.
     
  7. E. von Hoegh

    E. von Hoegh Member

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    Looks more like "Auzoux" - look at the 'n' in "Francais".
     
  8. Sirius Glass

    Sirius Glass Subscriber

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    From Vade Mecum third edition
     
  9. ntenny

    ntenny Member

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  10. Sperry

    Sperry Member

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    Wow thanks already for the replies (and information!),

    Auzoux hmm might make sense.

    There's No waterhouse slot (which is why I think it'd be a projector lens) however there's a square Cut out in the base lens metal (as you can see in the picture).
    But there's no opening the "inner" lens. It is completeley shut off. The only reason I could see for this opening is that it once may have had "markings" so you could tell the current focus (But that's just speculation ofcourse)

    I'll see if I can upload some more foto's.
     
  11. Sperry

    Sperry Member

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    As promised some more photo's.
    One shows a number (2209) on the lens "mount" (I'm assuming it was screwed against a wooden plate here).
     

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  12. bdial

    bdial Subscriber

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    It's probably a projection petzval. Given the size and weight, it probably has a pretty long focal length, and possibly enough coverage for 8x10 or bigger, as a guess.
    Point the lens out a window with a piece of white card behind it, move the card or lens until you get a focused image to estimate the focal length and image circle.
    Once you know the focal length you can calculate the lens's speed.

    One of the Mods here had a great how-to video for this, but it's not showing up for me in searches.
     
  13. Sperry

    Sperry Member

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    Thanks, I'll try that out this week :D