Nikon AF-S 2x Teleconverter, TC-20E III. For F-mount telephoto lenses. In excellent condition with minimal signs of use. Some dust and debris present, but no mold. Accessories: Front and rear caps, soft case, instruction manual, original box. Immediate purchase OK, no price negotiation. The AF-S teleconverter is an attachment lens that doubles the focal length of the main lens when attached between an AF-S or AF-I lens and the camera. It offers good optical performance, fully utilizing the main lens's capabilities to achieve excellent image quality. It also supports various signal transmissions from the main lens. It employs aspherical lenses to improve optical performance and features a new optical design that considers digital performance.