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Continue to ChatPentacon 500mm F5.6 + Black Praktica LTL (no depiction) M42 https://vintagelens.nl/shop/lenses/m42/pentacon-500mm-f5-6-black-praktica-ltl-no-depiction-m42/
Pentacon 500mm F5.6 + Black Praktica LTL (no depiction) M42 https://vintagelens.nl/shop/lenses/m42/pentacon-500mm-f5-6-black-praktica-ltl-no-depiction-m42/