. Features: A replacement 67mm to 52mm step-down ring for your cameras Convenient and easy to use Allows use of a wider variety of filters, adapters, lens hoods, and more Made of aviation-grade aluminum alloy for high strength, impact resistance, and durability Precision machining process Surface treatment: high-mesh sandblasting and pure matte black finish Ultra-low chemical residue Male thread size: 67mm (connects to camera lens) Female thread size: 52mm (accepts filters and accessories) Step-down filter ring only; other accessories shown in images are not included Specifications: Item Name: Step-Down Filter Ring Material: Aluminum alloy Shape: Round Type: Lens adapter Color: Black Quantity: 1 piece Note: Due to differences in monitor displays, the actual color of the item may vary slightly from the images. Package includes: 1 x Step-Down Filter Ring (without retail packaging)