1、[Main Features] The lens filter has the features of waterproof, antifouling, oleophobic and hydrophobic, and the coating dredge layer of the filter is easy to clean. 2、[Antiscratch Antiwear] The toughened layer of the filter effectively prevents the mirror surfaces 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 filter can effectively prevent overexposure, resist scattered light, increase color saturation, and realize large scale effects. The number after ND represents the dimming ability. 5、[Applicable Models] Specifically designed for GP HERO 9 10 action camera, the filter can effectively improve the shooting effect and meet your requirements. Item Type: Neutral Density Filter Material: Aluminum Alloy, Glass Model: ND8 Applicable Models: Suitable for GP HERO 9 10 Filter Diameter: Approx. 52mm / 2.0in 1 x Neutral Density Filter (Adapter Ring, Filter, Filter Cover)