Carl Zeiss ZM C Sonnar 50mm f1.5 T* tube but left the factory with

but left the factory with the rear mask slightly off kilter–this doesn't affect its use)

and with no impact on imaging

with some cosmetic paint and finish wear

designed for more secure hand holding

4- there's just a lot more glass in there

Carl Zeiss ZM C Sonnar 50mm f1.5 T* tube but left the factory withThe Carl Zeiss ZM C Sonnar 50mm f1. 5 T* is a modern high speed standard lens for Leica M mount cameras. All metal body, classic optics, and excellent image quality. In nice shape, with smooth focusing clean diaphragm, and only minor cosmetic wear. Includes original metal lens hood, which has a small dent in its rim but is otherwise in clean condition (and fully functional, of course)