CNC-Machined Brass Ring This step-up ring is made of brass with a CNC-machined design, smoothly install and durable. Corrosion Resistance Matte black electroplated Matte black electroplated finish, which withstands corrosion and other abrasive elements often encountered in outdoor photography. Precise Manufacturing Process Ensure the adapter perfectly connects with the lens has no light leak, and provides stable focus, reaching more clear and compatible with sharp pictures and videos. Flexible The step-up ring provides flexibility and more choice for the photographer's creativity. Packaging Include 1* Brass adapter ring + 3*Microfiber cleaning cloth. Note: compatible with all 49mm camera lenses & 58mm filter, please reconfirm the lens size before ordering, it's always beside the "Ø" (diameter) symbol. 49mm to 58mm Step-Up Lens Filter Adapter Ring CNC Machined Brass Filter Adapter Rings, for 49mm Lens Electronics › Camera & Photo › Accessories › Filters & Accessories › Filter Accessories › Step-Up Rings Electronics › Camera & Photo › Accessories › Filters & Accessories › Filter Accessories › Step-Up Rings Electronics › Camera & Photo › Accessories › Filters & Accessories › Filter Accessories › Step-Up Rings Electronics › Camera & Photo › Accessories › Filters & Accessories › Filter Accessories › Step-Up Rings