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 is constructed of seven elements in five groups and with Nikon's Integrated Coating (IC) you will see improved color and reduced flare. 2.0x teleconverter extends the reach of AF-S lenses by 100% with only two-stop loss in exposure. Advanced design maintains the optical quality of NIKKOR lenses as well as fully supports exposure metering and VR image stabilization capabilities.