I am developing a passion for ‘antique’ Nikon glass. Old Nikon lenses, made at the time when Nikon was still a respectable brand that made products for professionals only , can now be had at eBay for relatively little money. They still do a great job on a modern digital dslr. You will have to focus and meter manually but after a little practice that is not so hard as it sounds.
My newest toy is a 135mm F2.5 made in the late sixties of the last century. Today I took it for a testdrive to our messy little harbour:
This is a detail of a boat that is being restored. Judging from this pic the end result will be better than new: