77mm52mm-77mm-to-52mm-Black-Step-Down-Ring-Adapter-for-Camera
77mm-52mm 77mm to 52mm Black Step Down Ring Adapter for Camera
The 77mm-52mm ring adapter easily screws onto the front of any 77mm lens, and converts the thread size of your lens to the thread size of any other 52mm accessory (such as filters, hoods, flashes and lens converters).
