The Vivitar 4-Element 2x Teleconverter multiplies the focal length of the existing lens by 2 times to extend its capability. Made from multicoated optical glass, this Vivitar teleconverter for Nikon addresses image blurring, distortion and chromatic aberrations to deliver high-quality photos. The anti-reflective coating of this Vivitar teleconverter for Nikon eliminates annoying lens flare and ghosting effects caused by reflections. The Vivitar 4-Element 2x Teleconverter is suitable for use with Nikon AF and AF-S lenses.