Description Description: Feature 1. Made of high-quality aluminum alloy, solid, durable, wear-resistant, and long service life. 2. Transform caliber adapter ring, which can be installed in front of the lens to achieve different diameters sharing the same diameter filter, hood, extra lens, or other accessories. 3. The small diameter outer thread of the ring is the connection end for the lens, while the large diameter inner thread can use a variety of filters with the same caliber UV, CPL, star filter, gray filter, close-up lens hood, etc. 4. Lightweight and portable. Easy to install. 5. They are small step-up conversion caliber adapter rings. Specifications: 1. Made of high-quality aluminum alloy, solid, durable, wear-resistant, and long service life. 2. Transform caliber adapter ring, which can be installed in front of the lens to achieve different diameters sharing the same diameter filter, hood, extra lens, or other accessories. 3. The small diameter outer thread of the ring is the connection end for the lens, while the large diameter inner thread can use a variety of filters with the same caliber UV, CPL, star filter, gray filter, close-up lens hood, etc. 4. Lightweight and portable. Easy to install. 5. They are small step-up conversion caliber adapter rings. Specifications: Material: Aluminum Alloy Color: Black Applicable model: General Packing list: 1 * 49mm-52mm Adapter Ring 1 * 52mm-55mm Adapter Ring 1 * 55mm-58mm Adapter Ring 1 * 58mm-62mm Adapter Ring 1 * 62mm-67mm Adapter Ring 1 * 67mm-72mm Adapter Ring 1 * 72mm-77mm Adapter Ring 1 * 77mm-82mm Adapter Ring