Nikon Nikkor-P Auto 105mm f/2.5 Pre-AI Lens

The Nikon Nikkor-P Auto 105mm f/2.5 is a manual focus short telephoto prime lens built for Nikon’s F-mount SLR system, representing a pre-AI era Nikkor optic and one of the most well-regarded lenses in Nikon’s classic lineup. At 105mm with an f/2.5 maximum aperture, it delivers a focal length long celebrated for portraiture, offering a flattering perspective and natural subject rendering at typical portrait working distances, with strong light gathering capability and meaningful background separation at wider aperture settings. The P designation refers to the optical formula, indicating a five-element construction within the Nikkor naming convention of the era. As a pre-AI lens, it predates Nikon’s AI metering coupling system introduced in 1977, and full metering compatibility on later AI and AI-S bodies may require a physical modification to the aperture ring. Fully manual operation covers both focus and aperture adjustment directly on the lens.

– 105mm short telephoto focal length
– f/2.5 maximum aperture
– Pre-AI era Nikkor optic
– Five-element P-designation optical formula
– Highly regarded for portrait photography applications
– Fully manual focus and aperture control
– Nikon F-mount compatibility
– AI conversion may be required for metering on later Nikon bodies
– Adaptable to mirrorless systems via F-mount adapters