Zeiss Biogon 21mm f/4.5 Contarex with Finder - GOOD CONDITION - CLEAN OPTICS - ORIGINAL FINDER. Zeiss Biogon 21mm f/4.5 for Contarex. Lens Mount: Contarex. This is aZeiss Biogon 21mm f/4.5 ultra-wide-angle lens for theContarex system, complete with its originalexternal viewfinder.
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