Vintage Lens: Carl Zeiss Jena DDR 135mm f3.5 — The Light Composer
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The Zeiss Ikon Contax Camera Repair Website - Contax IIIa Color Dial Instruction Book
Pre-Owned Contax RF Carl Zeiss Jena Sonnar 8.5cm 85mm f/2 T Lens, good optics, little catch in focussing but no effect on performance and sharpness of the lens. - Ace Photo
Lot - Carl Zeiss Jena Tessar f/2.8 50mm Lens #8331755