Replacement 40.5mm-55mm Camera Metal Filter Step Up Ring Adapter
Adapter ring is suitable for filters, close-up lenses and other attachments to lenses with different filter thread sizes. The Bower 40.5-55mm Step-Up Adapter Ring easily screws onto the front of any 40.5mm Lens, and allows you to convert to the 55mm threads of accessory items (such as filters, hoods, flashes and lens converters).