The Nikon AF-S Teleconverter TC-20E III and its 2x magnification for use with F-mount cameras. With full electronic communication between the lens and camera, it will maintain metering, autofocus, and VR capabilities.  It has one aspherical lens element which virtually eliminates lens aberrations and is dust and water-resistant. Advanced design maintains the optical quality of NIKKOR lenses as well as fully supports exposure metering and VR image stabilization capabilities. Durable, weather-resistant barrel supports are used in harsh conditions.