The Nikon AF-S Nikkor 180-400mm f/4E TC1.4 FL ED VR is a super telephoto lens with a built-in 1.4x teleconverter, allowing you to extend the range to 560mm without changing your grip or taking your eye off the viewfinder. Its advanced optical design ensures extended reach without sacrificing sharpness. The lens features Fluorite & ED glass, Nano crystal coat, and Nikon's Vibration Reduction (VR) for a four-stop advantage, even with the teleconverter engaged. SPORT VR is optimized for tracking fast-moving subjects, and advanced autofocus ensures reliable subject acquisition.