Amazon.com : Metal Tripod Mount Ring , iShoot AII (W) Lens
Amazon.com : Metal Tripod Mount Ring , iShoot AII (W) Lens,Amazon.com : Used Canon 70-200mm F2.8 L is II Lens W/Lens,Canon EF70 200mm F2.8L IS III USM Optical Telephoto Zoom,Amazon.com : iShoot C720XB Tripod Mount Ring for Canon 70,Amazon.com : Used Canon 70-200mm F2.8 L is II Lens W/Lens