1、Main Features: The ND16 lens filter has the features of waterproof, antifouling, oleophobic and hydrophobic, and the coating dredge layer on the surface of the filter is easy to clean. 2、Anti Scratch and Anti Wear: The toughened layer of the filter effectively prevents the mirror surface from scratching, and has the characteristics of scratch and abrasion resistance. 3、Silicone Protective Ring: The inside of the adapter frame is equipped with a flexible silicone protective ring, which can protect the camera lens from damage. 4、Neutral Density Filter: Under strong light environment, the Neutral Density Filter can effectively prevent overexposure, resist scattered light, increase color saturation, and make the picture more transparent and beautiful. Realize large scale effects such as foggy water and night light tracks. The number after ND represents the dimming ability. 5、Applicable Models: Specifically designed for HERO 9, 10 action camera, the ND16 filter can effectively improve the shooting effect and meet your requirements.