It is a high-quality lens that is known for its sharp optics and beautiful bokeh. Lens has clean glass and smooth focusing. Mount: Pentacon Six. Zeiss Jena MC Sonnar - technically - glass - blades - almost flawless.
Zeiss Jena MC Sonnar 4/300 mm later version for Pentacon SIX
Carl Zeiss Jena MC Sonnar 3.5/135 - M42 -
EasyBuy Carl Zeiss Jena MC Sonnar 300mm f/4 Prime Lens (Pentacon Six) Defect
Carl Zeiss Jena MC Sonnar 300mm f/4 Lens Pentacon Six (Blende Defekt)
Zeiss Jena Contax Sonnar 4/13.5 cm lens chrome for Contax clean glass
Zeiss Jena Contax Sonnar 4/13.5cm lens chrome for Contax clean glass
