F-Foto Lens Plate Compatible with Canon RF 100-500mm F4.5-7.1 L IS USM / 70-200mm F2.8 IS USM LP-C100500 This is a lens plate from F-Foto. It attaches to the tripod collar, making it easier to mount on Arca-Swiss compatible ball heads. There are some minor scratches from attaching and detaching, but there are no noticeable scratches or stains, and there are no problems with use. Compatible with RF100-500 and RF70-200mm F2.8 IS USM. It is sold on Amazon for ¥3177 at the time of listing.