Freewell 62-77mm Step Up Filter Adapter Ring for Magnetic and Threaded Filter

Step Up rings are very common but this is unlike other this innovative step-up ring from Freewell is magnetic as well as thread filter system so you can now use Freewell magnetic filters as well as your threaded filters in one step-up ring.
BuiltMade of CNC machined aluminum with black color to avoid any reflection or leakage during your photography.