This Nikkor 135mm F2.8 lens is a Non-AI version. I originally used it on my FM2, but I've also taken many images with it on my D810, with no problems. This lens is one of the sharpest I've ever owned from Nikon.
Nikon Nikkor 135mm f/3.5 Auto NIKKOR "Nippon Kogaku" Pre-AI Lens
【Near Mint】Nikon NIKKOR 135mm f/2.8 Non Ai Lens for FE2,FM2,FM3A From Japan#2228
nikon nikkor 135mm f2.8
NIKON NIKKOR 135mm F3.5, AI
Near Mint Nikon Nikkor Q.C 13.5cm 135mm F/3.5 Lens L39 w/ 135mm Viewfinder
Nikon NIKKOR Z Camera Lens 28-135mm f/4 PZ
