Nikon Pre- AI lenses Overview
Manual Non AI
Intro 1959. Manual focus. Not compatible Nikon Digital cameras.
Nikon non-AI Lenses, introduced in 1977
These were the first lenses made for Nikon Film 35 mm SLR.
They are not compatible with any of the Nikon Digital Cameras.
They have a "rabbit ear" meter coupling prong at the 12 o'clock position. Each of the two "rabbit ears" are solid (ie have no viewing hole punched out).
The have only one row of aperture numbers printed on the lense barrel.