G. Rüdenberg Double anastigmat "rapidar", 1: f = 13 1/2, with vario cladding B T 1/25 1/50 1/100. Glass, metal frame, belongs on metal plate around 1910
Size: 2738px × 1825px
Photo credit: © piemags/ABTB / Alamy / Afripics
License: Licensed
Model Released: No
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