Nikon S Mount. The gotcha is that Contax 50mm lenses had slightly different focal lengths from Nikons thus the rangefinders become. Download the S-Line Brochure View in a new window Larger mount. These lenses use Nikons Silent Wave Motor SWM powered by ultrasonic vibrations. Lenses from both systems will mount on each other but because Nikon used Leicas standard of 516mm focal length for their standard lens rather than the 523 of Contaxs system there is a very slight incompatibility between the Nikon and Contax system.
Nikon 50mm f14 NIKKOR-S Auto AI-updated this sample from 1969. If its still in its original F-mount form then read the Pre-AI column and it wont mount on most cameras made since 1977. 172011 The Nikon mount is almost identical to the Contax mount. Its a clear sign that Nikon is devoted to their mirrorless system which debuted just over two years ago with the Nikon Z7 but has remained limited in both camera and lens selection. AF-S lenses can be used on F-mount film camera bodies from the 90s on with some exceptions like the F55N55 and all Nikon DSLR bodies. With maximum apertures as wide as f095 possible.
The S-mount is copied from Contax whose lenses also mount.
If its still in its original F-mount form then read the Pre-AI column and it wont mount on most cameras made since 1977. Z 6 Nikkor Z 14-30mm f4 S. For use on full frame mirrorless cameras. Nikon 50mm f14 NIKKOR-S Auto AI-updated this sample from 1969. The S-mount is copied from Contax whose lenses also mount. Please note this lens is made in Nikon Rangefinder mount.