Amazon.com : Deco Photo 500mm f/8 Universal Professional High Definition Multi Coated Telephoto Lens for Canon, Nikon, Sony, Olympus, Panasonic, Fuji, and Pentax Cameras (T-Mount Not Included) : Electronics
Amazon.com : Nikon 500mm f/8.0 Reflex-Nikkor Manual Focus Lens for Nikon Digital SLR Cameras : Camera Lenses : Electronics