(2 Pcs) 67-77MM Step-Up Ring Adapter, 67mm to 77mm Step Up Filter Ring, 67mm Male 77mm Female Stepping Up Ring for DSLR Camera Lens and ND UV CPL Infrared Filters

Fotasy 67mm to 77mm Step-Up Ring adapter the step up filter ring adapter easily screws onto the front of any 67mm lens, and converts the thread size of your lens The thread size of any other 77mm accessory (such as filters, hoods, flashes and lens converters). Your camera's lens thread size will be Marked somewhere on the lens barrel. This number is always preceded by a "Ø" (Diameter) symbol. For example: 67 = 77mm lens thread size. This number can also often be found printed on the back side of your lens cap.