The SIGMA APO TELE CONVERTER 2X EX is a high-performance teleconverter that doubles the focal length of a lens. - Model: APO TELE CONVERTER 2X EX for Nikon mount SLR cameras. Note: Please confirm compatibility with your camera and lens. → We are unable to answer questions regarding compatibility to avoid any issues. ■ There are some minor scratches and dirt, but overall, the appearance is clean. ■ The lens is mostly free of dust. There is only a very small amount. There is no mold or fogging. The visibility is very clear. Please confirm this in the photos. ■ Autofocus operation using the lens & camera has not been confirmed. Manual focus operation has been confirmed. ■ No accessories are included. Please understand the above and purchase with no claims and no returns. - Brand: SIGMA - Country of Manufacture: Japan Thank you for viewing.