Nikon has announced the 50th anniversary of its F-mount lens-mounting system, employed on the company’s lens-interchangeable SLR cameras and NIKKOR lenses. Apart from Nikon, no other maker has been able to sustain its original lens mount for such an extraordinary period. The Nikon F-mount was first employed on Nikon’s earliest lens-interchangeable SLR camera, the Nikon F, released in June 1959.

Nikon has consistently utilized the same mount without changing its basic structure, even as other SLR camera manufacturers found it necessary to alter their lens mounts in response to changing technologies, such as autofocus compatibility and digitalization.

One of the biggest advantages of lens-interchangeable SLR cameras is that users are able to choose from a larger selection of lenses. Maintaining the same basic structure of lens mount for a longer period means a broader, constantly growing array of compatible lenses. For this reason, the lens mount is an extremely important and symbolic element for both photography enthusiasts and professionals, who are able to benefit from ongoing use of their carefully selected collection of lenses. The Nikon F-mount, employed for even the latest, most advanced digital SLRs, has received and continues to garner the highest evaluations as a reliable, long-serving lens mount.

Evolution of the Nikon F-mount:

1. Introduced on Nikon’s first lens-interchangeable SLR, the Nikon F (1959)
2. Auto aperture indexing enables automatic setting of maximum aperture (1977)
3. Program auto exposure mode compatibility (1981)
4. Aperture information exchange with the camera body through CPU communication (1983)
5. Autofocus compatibility (1983)
6. Digital SLR cameras compatibility (1995)

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