Nikon TC-20E II 2x AFS - Description:
This teleconverter designed for use with Nikon AF-S and AF-I Nikkor lenses.Increases focal length by 100%. 2X Reduces lens aperture by two f-stops 7 elements in 6 group lens construction assures highest picture quality Full aperture metering with compatible cameras Autofocusing possible, when used with Nikon D1, Nikon D1X, Nikon D1H, Nikon D100, Nikon F5, Nikon F100, Nikon N80, Nikon N75 and Nikon N65 AF SLR Cameras Nikon Integrated Coating reduces flare and ghosting.

2X Recommended with the following AF-S Nikkor lenses:
Nikon AF-S 80-200mm f/2.8D ED-IF, Nikon AF-S 300mm f/2.8D ED-IF (II), Nikon 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), AF-S 70-200mm f/2.8G ED-IF VR Zoom-Nikkor. Autofocus not possible with Nikon AF-S 500mm f/4D ED-IF (II) and Nikon AF-S 600mm f/4D ED-IF (II)

Key Points

Focal length: 2.0X Lens
Construction: 7 Elements in 6 Groups
Dimensions: 2.6 in. x 2.2 in. Weight: 12.5 oz.

Accessorries

1-2X front & back caps
2-2X instruction manual.
3 2X Box.