Made of premium grade aluminum, the Step-Up Lens Adapter Rings 55mm-58mm is polished and finished with an anodized matte surface. This adapter ring set can easily screw onto the front of any lens, and convert the thread size of your lens to the thread size of any other accessory, such as filters, hoods, flashes and lens converters. It fits most of the lens with the same filter thread, manual or autofocus, digital or film.
It provides a way to fit larger diameter filters or accessories onto a smaller lens and it is compatible with the Canon, Nikon, Sigma, Tamron cameras. You don’t need to buy more filters when you have a different lens.