uxcell 46mm-37mm 46mm to 37mm Black Step Down Ring Adapter for Digital Camera Product Name : Step Down Adapter Ring;Lens Side : 46mm/ 1.8" Filter Side : 37mm/ 1.4";Total Size : 46 x 5.2mm/ 1.8" x 0.2" (D*T) Material : Metal;Color : Black Weight : 10g Package Content : 1 x Step Down Adapter Ring(Non-0EM)