Formatt Hitech 55-58mm Step Adaptor Ring for 100mm Lucroit Filter Holder

This Formatt Hitech 55-58mm Step Adaptor Ring for 100mm Lucroit Filter Holder is designed to allow a lens with 55mm filter threads to connect to the Formatt Hitech Lucroit 100mm Filter Holder. This adapter ring can also act as a conventional step-up ring, permitting the use of 58mm threaded filters on lenses with 55mm filter threads. It can allow filters such as 58mm polarizing or neutral density filters to be used without vignetting along with the 100mm Lucroit Holder. This adapter ring features a lightweight, aluminum-alloy construction that has a black finish.