Feature: 1. Advanced knurling technology, prevent hand slip, convenient disassembly, more practical. 2. High quality aluminum frame design, the front of frame is threaded for mounting the lens cap and other accessories at any time. 3. Prevent lens contact with dust and oil scratches, UV lens not only to protect the lens, but also can not affect the quality of the photo. 4. Instead of eliminating infrared rays, infrared filters block visible light, allowing only infrared rays to pass through, creating images that look like black and white but have unique colors. 5. UV lens is suitable for the seaside, mountain, snow and open areas and other environments, can reduce the blue caused by ultraviolet light. Specification: Item Type: Camera Lens Filter Ring Color: Black Material: Aluminum Alloy + Optical Glass Filter Type: Infrared UV Lens Compression Spring: Screw-in. Package List: 1 x Camera Lens Filter