Nikon Reflex NIKKOR 500mm f/8.0 Ai Lens for sale online | eBay
Nikon NIKKOR 500mm f/8 - Photography Life
Nikon Announces Three New AF-S NIKKOR Full-Frame Lenses: 200-500mm f/5.6E ED VR Super-Telephoto Zoom, 24-70mm f/2.8E ED VR, and 24mm f/1.8G ED, More Info at B&H
Nikon 500mm f/8 N Reflex-NIKKOR Review by Ken Rockwell