Amazon.com : Nikon AF-S FISHEYE NIKKOR 8-15mm f/3.5-4.5E ED F/4.5-29 Fixed Zoom Camera Lens, Black : Electronics
Amazon.com : Rokinon HD8M-N 8mm f/3.5 HD Fisheye Lens with Auto Aperture Chip and Removable Hood for Nikon DSLR 8-8mm, Fixed-Non-Zoom Lens : Camera Lenses : Electronics