Samyang will soon announce their new 10mm f/3.5 full-frame lens for Nikon F-mount (previously reported here). This will be one of the upcoming eight new Samyang lenses.
The Samyang 10mm f/3.5 lens will be the world’s widest full-frame lens with zero distortion recti-linear design and glass mold aspherical lens elements.
Additional pictures:
Via Nokishita