The Olympus TR-22 complete kit includes a 72-67 adapter ring, offering users the flexibility to attach filters with a 72mm thread size to cameras with a 67mm lens thread. This high-quality adapter ring from Olympus ensures a secure fit and preserves the image quality expected from the brand's products. Perfect for photographers looking to expand their equipment with a reliable and compatible accessory, this kit is a valuable addition for capturing stunning images with ease.