Amazon.com : Nikon AF-S FX NIKKOR 200-400mm f/4G ED Vibration Reduction II Zoom Lens with Auto Focus for Nikon DSLR Cameras : Camera Lenses : Electronics
LensCoat® Nikon 200-500 VR, LensCoat
Nikon 200-500mm f/5.6E zoom vs. the 500mm f/4E prime lens comparison - Nikon Rumors