If you are shooting sony or something which can take RF glass, get a Nikkor 8.5cm f/2 from the 50\'s and one of the 20 Contax or Nikon S to FE adapters.
This lens established Nikon\'s reputation with a single snap in 1950. It has been ignored for years because nothing would really take it except a nikon RF. But the Sonys love it
If you are shooting sony or something which can take RF glass, get a Nikkor 8.5cm f/2 from the 50\'s and one of the 20 Contax or Nikon S to FE adapters.