Actually Nikon Fisheye-Nikkor 6mm f/5.6: Photographic Science and Technology Forum: Digital Photography Review
Lensfinder.com - Ultra Rare Nikkor 6mm f/5.6. Only a few hundred of these lenses exist. This lens has a 220 degree field of view for Full Frame 24x36mm sensors. Made in Japan
![Ridiculous Nikon 6mm Lens Reappears, Priced at $160,000+ in the UK | Nikon lens, Fish eye lens, Nikon lenses Ridiculous Nikon 6mm Lens Reappears, Priced at $160,000+ in the UK | Nikon lens, Fish eye lens, Nikon lenses](https://i.pinimg.com/474x/d6/14/05/d614054355833e5f145f23a518beb7da.jpg)