Feature:1. The lens is made of high quality optical glass through high definition grinding treatment.2. Adopting double sided multilayer nanometer coating technology, the lens has waterproof, oilproof, anti fouling and anti scratch performance.3. Surface of the lens forms a protective layer, which is easier to clean and maintain, and has a longer service life.4. NDPL filter can obtain more freedom to control the aperture and shutter, bring more exposure methods and creative space for photography creation, and effectively prevent overexposure.5. The number behind ND represents the ability of the ND filter to block light, and it has a PL filter polarization composite function to eliminate harmful polarized light, breaking through the limitations of traditional filters.Specification:Item Type: Drone Camera Lens Filter SetModel: ND8PL/ND16PL/ND32PL/ND64PL FilterMaterial: Optical GlassProduct Color: As Pictures ShownProduct Weight: Approx. 39g / 1.4ozApplicable Models: For FIMI X8 MIN Drone Camera Lens.Package List:4 x Filter 1 x Storage Box