Having a problem? The filter has a different diameter and you still want to use it to achieve the effect you've been waiting for so long? Step-Up adapter ring allows you to use larger size filters on lenses with a smaller diameter thread. The first number is the size that screws into the lens， the second number is the filter size. With this filters adapter ring， it is not a problem at all.                                    Features            55mm - 58mm step up lens filters adapter ring<br> A step up ring used to adapt a filter to a lens when the two have different filter thread diameters<br> Convert the camera lens filter size of your lens<br>  The lens adapter is perfect way to use all filter sizes without buying new filters<br> Useful and helpful gear for you to save money<br> Step up ring is used for attaching larger filters to smaller lenses<br> A must have for the serious photographer<br> Male Thread: 55mm<br>Female Thread: 58mm<br>Color: Black<br>                                                                                                Package Includes            1 x 55mm-58mm Step Up Filter Ring Adapter<br>                                                            Extra Info            Compatibility: Access a wider variaty of filters， adapters， hoods and more.<br>