Amazon.com : MARUMI Step-Down Ring, 3.0 inches (77 mm) to 2.3 inches (58 mm), Model Number: 900621 : Electronics
Amazon.com : Marumi Step Ring for Digital Camcorders 1.2 inches (30.5 mm) to V1.5 inches (37 mm) Custom Made (Delivery Time About 2 Months) Model Number: 902038 : Electronics