File:Pentacon six TL with Carl Zeiss Jena DDR MC Biometar 80mm f2.8 lens.jpg - Wikimedia Commons
Lomopedia: Carl Zeiss Jena Biometar 80 mm f2.8 Lens · Lomography
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Lomopedia: Carl Zeiss Jena Biometar 80 mm f2.8 Lens · Lomography
Carl Zeiss Jena DDR MC Biometar 80mm f/2.8
