Nikon Chat: Nikon Digital Cameras and Equipment

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Is there any teleconverter compatible with my AF-S VR Nikkor 18-200mm f/3.5-5.6 G IF-ED DX?

From what I've researched the Nikkor teleconverters are not compatible Is there another brand that is?

If you can find one that is not auto focus because the auto focus cameras need an aperture of 5.6 or faster for the autofocus system to work by adding a TV opening reduced by 1.5 to 2 points.