This is a 49mm-82mm (49mm-52mm, 52mm-55mm, 55mm-58mm, 58mm-62mm, 62mm-67mm, 67mm-72mm, 72mm-77mm,77mm-82mm) step up filters ring steping adapter It is made with light weight and durable aluminum material. You may also combine multiple step rings to fit even larger filters This 62mm-67mm step up filters ring steping adapter is really a very useful and helpful gear for extra filter lenses With this adapter ring, you can experiment by taking close pictures of various small items such as stamps, coins and insects Not all lenses are designed with standard filter accessory screw in thread sizes. For these lenses, many of which are very popular, the way to mount a filter is via an adapter ring. A main feature of adapter rings is that you can utilize one size filter with a number of different sized lenses via different adapter rings