Item Type: Camera Lens Filter_x000D_ Ring Color: Black_x000D_ Material: Aluminum Alloy + Optical Glass_x000D_ Filter Type: Infrared UV_x000D_ Lens Compression Spring: Screw-in 1Advanced knurling technology, prevent hand slip, convenient disassembly, more practical. 2High quality aluminum frame design, the front of frame is threaded for mounting the lens cap and other accessories at any time. 3Prevent 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. 4Instead 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. 5UV lens is suitable for the seaside, mountain, snow and open areas and other environments, can reduce the blue caused by ultraviolet light.1 x Camera Lens Filter