Huge 11-Pound Nikon 6mm ƒ2.8 Fisheye Lens Goes On Sale | Cult of Mac
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
Rare Nikon 6mm f/2.8 Lens Listed on Yahoo Auctions for 13 Million Yen - Resource
Rare Lens] $160,000 Nikkor 6mm 2.8 Fisheye Can See Behind You | Fstoppers