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
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Uber-Rare Nikon 6mm Fisheye Lens on eBay Can See Behind Itself | Fish eye lens, Nikon lens, Nikon lenses
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