NiSi - Brass Pro 49mm to 52mm Step-Up Ring - Threaded Stepping Adapter Ring, 49mm Male Lens Attachment 52mm Female Filter and Accessory Thread - Matte Black Finish to Prevent Reflections, Brass Alloy

NiSi - Brass Pro 49mm to 52mm Step-Up Ring - Threaded Stepping Adapter Ring, 49mm Male Lens Attachment 52mm Female Filter and Accessory Thread - Matte Black Finish to Prevent Reflections, Brass Alloy