Formatt Hitech 77-77mm Step Adaptor Ring for 100mm Lucroit Filter Holder

This Formatt Hitech 77-77mm Step Adaptor Ring for 100mm Lucroit Filter Holder is designed to allow a lens with 77mm filter threads to connect to the Formatt Hitech Lucroit 100mm Filter Holder. This adapter ring can also allow filters such as 77mm polarizing or neutral density filters to be used along with the 100mm Lucroit Holder. It features a lightweight, aluminum-alloy construction that has a black finish.