Filter Adapter Ring for Ulanzi 1.33X Anamorphic Lens is made of high quality aluminium alloy. Suit any 62mm threaded Camera Round Filter. Installing Steps: 1. Find the right position to install Adapter ring 2. Insert the Anamorphic lens into the adapter ring 3. Tighten the hex wrench at the mount Packing list: Filter Adapter Ring + Hex Wrench