A reader bought a refurbished Nikon 13mm f/5.6 NIKKOR AI-S lens with a 90 day warranty! - Nikon Rumors
Ultra-Rare Nikon 13mm f/5.6 "˜Holy Grail' Lens on eBay
VILTROX 13mm F1.4 Z-mount Auto Focus APS-C Prime Lens with Stepless Ap
So, my buddy has a Nikon 13mm f5.6 "Holy Grail" lens and I just had to try it out on my F3. It's not overwhelming the camera, is it? : r/AnalogCommunity
Nikon 13mm f/5.6
Ebay Watch: Nikon's Much-Coveted 13mm f/5.6 Distortion-Free Lens and More
D800 with Nikkor 13mm f5.6 Ai-S lens | The New Nikon D800 at… | Flickr