This is the least expensive fish-eye lens on the market, and one of the best for DX and other non full frame Nikon cameras. This 8 mm f/3.5 Fish-eye lens has removable hood and made for Nikon AE mount. It gives a 167A view when used with an APS-C camera and will produce a rounded image that doesn't cover entire frame when used with the full frame cameras or 35 mm film cameras. It's optical construction has 10 elements in 7 groups including a spherical lens for sharply defined outstanding images. Minimum focusing distance of 30 centimeters and multi layer coating to reduce flare. The Samyang 8mm fisheye lens offers some of the best optics in a lens for its class, and exceptional value for money. A specialist lens, affordable to every photographer. Fisheye lenses are also popular for special effects use where distortion and field curvature, exaggerated perspective, or extreme depth of field are desired. Groups such as skateboarders turn to this Samyang fisheye CS II for skate videos and photography to document their exciting moments. Samyang 8mm F3.5 Fish eye CS II is built for APS-C, but it can also be used on full-frame cameras with the lens hood detached. On full-frame cameras, Samyang 8mm Fisheye gives a wide field of view, making it ideal for panoramas and 3D virtual tours.