Nikon 2X AF-S TC-20E II

(From company literature) The Nikon TC-20E II 2X Teleconverter is designed for AF-S and AF-I Nikkor lenses. It increases the original focal length by 100%, and reduces lens aperture by two f-stops. Autofocus is possible with AF-S and AF-I Nikkors having maximum aperture of f/2.8. 7 elements in 6 group lens construction assures highest picture quality. Full aperture metering with compatible cameras. Nikon Integrated Coating reduces flare and ghosting.

* Recommended with the following AF-S Nikkor lenses: AF-S 80-200mm f/2.8D ED-IF, AF-S 300mm f/2.8D ED-IF (II), AF-S 300mm f/4D ED-IF, AF-S 400mm f/2.8D ED-IF (II), AF-S 500mm f/4D ED-IF (II) and AF-S 600mm f/4D ED-IF (II).

** Autofocus not possible with AF-S 500mm f/4D ED-IF (II) and AF-S 600mm f/4D ED-IF (II). Comes with a new front cap BF-3A which can also be used as a body cap.