- • Converts the thread size of your lens to the thread size of any other accessory (such as filters, hoods, flashes and lens converters).
Step Up Filter Adapter Ring Kit includes 37-49, 49-52, 52-55, 55-58, 58-62, 62-67,67-72, 72-77, 77-82mm.
Step Down Filter Adapter Ring Kit includes 49-37, 52-49, 58-55, 55-52, 62-58, 67-62,72-67, 77-72, 82-77mm.