Brass Lens »Bergheim Soft Focus No. 2«, 1896
Dallmeyer, London, Nr. 91939. With variable
focal lens. Changing the focal length, the degree of diffusion changes as
well!
Focal length 25 to 40 in. Top piece in any advanced collection!
Estimate: €
2,000/3,000
US$ 2,400/3,600
Reserve: € 1,250/US$ 1,500
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