Nikon Nikkor-S Auto 5cm 50mm f2 Non-AI Lens Nippon Kogaku Japan 565596 Vintage Nippon Kogaku Japan Nikkor-S Auto 5cm f/2 lens for Nikon F-mount cameras. This classic prime lens features a fast f/2 maximum aperture and robust all-metal construction. Known for its historical significance as one of the early standard lenses for the Nikon F system, it includes the characteristic 'rabbit ears' coupling prong. Please note the front element has visible scratches and cleaning marks which may affect image contrast in certain lighting conditions. Serial number 565596. Includes Nikon front lens cap and a rear cap. #Vintage