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Voigtländer Euryscop 4, 1886...
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Petzval Portrait Lens by Voigtländer (approx....
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Voigtländer (Portrait-Euryskop), c. 1882...
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Petzval Portrait Lens (approx. 12 Zoll) by Vo...
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Petzval-Type Portrait Lens by Voigtländer, c....
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Petzval Portrait Lens by Voigtländer (2,14 Zo...
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Petzval Portrait Lens 7 1/3 Zoll by Voigtländ...
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Voigtländer Petzval Portrait Lens, 1852 onwar...
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