Debuted in 1956. Super fast lens for Nikon S series. Coupling with rangefinder. 9 elements in 6 groups. E62 filter size. Largest diameter Nikkor lens for film camera. External mount. From 1959, updated to this exernal mount type.
Only 835 pcs produced for Nikon rangefinder cameras. 211pcs for Leica screw mount.
Comes with caps and filter. Good for collection as well.

Beautiful barrel.
Good working condition. Focus checked with Nikon S body.
Clear elements. Faint cleaning marks on front and rear elements. Very faint balsam separation on peripheral part of inner elements. No noticeable effect on pictures.
Not coupling with Leica cameras through Nikon S - Leica M adapter due to its protruding rear element guard. Good to use with mirror less degital camera or live view.