Nikkor 6mm f/2.8 fisheye lens video and photo samples - Nikon Rumors
UsedPhotoPro on Twitter: "#foundatUPP: Here you see the Nikon Nikkor AI-S 8mm f/2.8 fisheye. Three versions of this lens was manufactured over the span from 1970 to 1997: non-AI, AI, and AI-S.