Sigma 2x EX DG APO Tele-Converter AF for Nikon AF Cameras

Product DescriptionThe dedicated 1. 4x APO Teleconverter features a high performance 5 element/3 group optical design, and it is optimized for use with long telephoto and telezoom lenses. The high performance optical characteristics of these teleconverters maintain the optical performance of the compatible lenses with which they ca n be used. Sigma APO Tele Converter 1. 4x and 2x are dedicated Tele Converter lenses, which should be used only with the listed lenses. The 2X Convertor

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