A Quick Tip by Beasimer

A step up adapter is a good tool for getting the most out of your expensive filters. Graduated filters don't work so well using this technique, but imagine using one filter type for multiple thread sized lenses. Step-up rings can also be stacked to get even more use out of a single filter. Keep in mind though that the closer the filter is to the lens, the better the results will be.    Another useful feature is that this step-up ring can be used to prevent vignetting. Sometimes … more