You'd normally expect these to be fairly unremarkable round metal castings, but Nikon has turned theirs into points of interest by modelling them on lens caps! The newer Z-mount lens style ...

rear cap, original metal carrying case and Nikon F2 no.8020198. The Fisheye-Nikkor 2.8/6mm is a legendary lens rarely offered for sale. It is an extraordinary opportunity to find one in this good ...