Canon EF 16-35mm f/4L IS USM 2x Teleconverter (7 Elements) with Nw Direct Microfiber Cleaning Cloth

Package includes a 2x (Doubler) teleconverter made from 7 Elements and a Nw Direct Microfiber Cleaning Cloth. This 2x converter doubles the focal length of any fine optic it is attached to, effectively multiplying reach by 2 while preserving the high resolution supplied by the original lens.