1The set includes CPL/ND4/ND8/ND16 filter, which can be used under three different lights to make photos more vivid. 2The light reducing lens can reduce the exposure of the camera, extend the exposure time, applicable for Gopro Hero 9. 3The long exposure makes the water or white clouds appear soft and soft texture like cotton. 4The polarizer can reduce the reflection of nonmetallic cover, restore the color and enhance the color saturation of the sky. 5It is easy to install and convenient to disassemble, small and lightweight, easy to carry and storage. Condition: 100% Item Type:Lens FilterMaterial: Alloy+GlassColor: BlackWeight: Approx. 67.0g/2.4ozModel:CPL/ND8/ND16/ND32Application: forGoPro Hero9 1 x CPL Filter1 xND8Filter1 xND16Filter1 xND32 Filter