Amazon.com : Rokinon 8mm f3.5 AS IF MC CSII DH Fisheye Lens with Removable Hood for Olympus and Panasonic Micro 4/3 (MFT) Mount Digital Cameras (HD8M-MFT) : Electronics
Samyang Optics
Rokinon 8mm f/3.5 Fisheye Lens for Nikon F FE8M-N B&H Photo Video
Review: Rokinon 8mm f3.5 Fisheye (For Nikon) - The Phoblographer