Amazon.com : iShoot Lens Tripod Mount Ring for Nikon RT-1 Nikkor AF-S 300mm F/4E PF ED VR and 70-200mm F/4G ED VR -with Quick Release Plate : Electronics
A Comparison between AF-S Nikkor 300mm F4E PF ED VR & AF-S Nikkor 300mm F4D IF-ED Lens - Digital Photography Live
Camera West
Nikon 300mm f/4 PF VR Review & Sample Images by Ken Rockwell