Amazon.com : Lens Collar Support Tripod Mount Ring for Nikon RT-1 Nikkor AF-S 300mm F/4E PF ED VR and AF-S 70-200mm F/4G ED VR-Bottom Quick Release Plate Feature Compatible with ARCA-Swiss 39mm
All-metal Tripod Collar Ring RT-1 for Nikon AF-S NIKKOR 70-200mm f/4G ED VR Lens | eBay
67Mm Lens Tripod Mount Collar Ring For Nikon AF-S 70-200Mm F/4G ED VR/AF-S 300Mm F/4E PF ED VR Camera Tripod Ring - AliExpress
All-metal Tripod Collar Ring RT-1 for Nikon AF-S NIKKOR 70-200mm f/4G ED VR Lens | eBay
Amazon.com : iShoot Improved 68mm Lens Collar Tripod Mount Ring for Nikon AF-S 300mm F/4E PF ED VR and Nikon AF-S 70-200mm F/4G ED VR Lens, with ARCA-Swiss Fit Quick Release Plate
Amazon.com : iShoot Improved Lens Collar Tripod Mount Ring for Nikon RT-1 Nikkor AF-S 300mm F/4E PF ED VR & AF-S 70-200mm F/4G ED VR, Bottom Quick Release Plate Feature Compatible with
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
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 - Yahoo Shopping
Nikon RT-1 Ring Collar Plate
Nikon RT-1 Tripod Mount Ring For 70-200mm F/4 G Lens at KEH Camera