Nikon Ai-s Nikkor 800mm f/8 ED-IF

Released in 1983, the Nikon Ai-s Nikkor 800mm f/8 ED-IF is a manual-focus super-telephoto lens designed for Nikon F-mount cameras. It features Extra-low Dispersion (ED) glass for superior image clarity, Internal Focusing (IF) for smoother handling, and a compact design relative to its extreme focal length. Built for long-range wildlife, surveillance, and astrophotography, this lens delivers impressive reach and optical precision in a rugged, all-metal construction.