1Made of high quality optical glass, which is highdefinition grinding treatment without affecting the image definition. 2Adopts multilayer nanometer coating process, with waterproof, oilproof, antifouling and antiscratch properties. 3The filter fits the body lens perfectly, which is harmonious and beautiful. 4The filter frame is made of highquality aviation aluminum material. Real machine opening mould, fast disassembly design and fast installation. 5ND4PL, ND8PL, ND16PL and ND32PL can rotate to adjust the angle for shooting. 6ND filter is used to reduce the amount of light into the camera to choose the correct exposure value, to prevent excessive exposure, the use of coating light reducing process, to avoid the traditional ND filter color bias, almost colorless bias. The number after ND, which represents the ND filter's ability to block light, and with PL polarized composite function, eliminate harmful polarized light. 7ND-PL filters combine the advantages of ND and CPL to meet your needs to extend exposure time and eliminate excess polarized light, making them a powerful tool for landscape photography. Condition: 100% Brand New Item Type: NDPL Filters Set Material: Aluminum Alloy + Optical Glass Color:Black Product Size: Approx. 3x3x0.85 cm/1.2x1.2x0.3 in Weight: Approx. 61.0g Model:ND-PL4/8/16/32Filters Set(4pcs/set) Applicable models:Suitable for DJI OSMO ACTION Camera 4 x NDPL Filters1.Thewithoutmotioncameraandframe.2.Pleaseallow13cmerrorduetomanualmeasurement.Thanksforyourunderstan3.Monitorsarenotcalibratedsame,itemcolordisplayedinphotosmaybeshowingslightlydifferentfromtherealobject.Pleasetaketherealoneasstandard.