Canon Tripod Mount Ring C for EF 70-300mm f/4-5.6L IS USM Zoom Lens
Product ID #: 4429B001 Price:$164.95 Currently Unavailable
The Tripod Mount Ring C from Canon is designed for the
70-300mm lenses. The ring makes rotating your lens easier and the
built-in tripod collar improves lens balance by screwing into the tripod
mount.