Extend the effective reach of your telephoto lens with the Sigma 2x Teleconverter for Nikon F mount. This compact accessory doubles the focal length of compatible lenses whilst retaining full communication between lens and camera for autofocus operation at apertures up to f/8. Built with precision optics including two Special Low Dispersion (SLD) elements, the teleconverter minimises chromatic aberrations and optical distortions for sharp, clear imagery. The dust and splashproof construction ensures durability through demanding shooting conditions, making it an ideal companion for professional and enthusiast photographers seeking extended telephoto reach without extra bulk.