This sale is for a Mamiya RB67 50mm f4.5 C lens in good – but not perfect – condition. It is of course in perfect working order, including flash sync and mirror up.
This lens is mechanically perfect, and optically excellent except for faint fungus that has no effect on images. Therefore dead cheap to allow for this. It comes with the correct rear cap and a UV filter, plus generic front cap. I have used this lens for a few shots and it seems absolutely fine.
This is the latest C type multicoated lens – much better optically than the earlier pre-C single coated optics.
Unless you do something daft like dropping it, it will outlast just about any other piece of photographic kit out there. These lenses are just made to keep on working and working – no electronics to go wrong!