Extreme nice condition Carl Zeiss Sonnar 50mm f.2 in Contax mount. One of the sharpest sonnar lenses out there! This can be adapted to Leica M with an Amedeo Contax-Leica adapter (not included in this sale, 399 euro)
Barrel has seen normal usage.
Glass is near mint with no cleaning marks, scratches, haze or fungus. Couple of dust spots inside, which can easily be cleaned if wanted.