Specifications:
Product Name: Step Down Adapter Ring Lens Side 52mm Filter Side 37mm Overall Size 54.5 x 6mm/2.15" x 0.24" (D*T)
Material: Metal Color: Black; Weight: 0.7 oz (19 g); Package Contents: 1 x Step-down Adapter Ring (non-OEM) Description:
The 52mm-37mm ring adapter easily converts to the front of any 52mm lens (such as filters, hoods, blinkers, lens converters, etc.) and other 37mm accessory thread size.
This is a non-OEM product.