Feature 1 CPL: The CPL filter generally used in landscape photography, eliminates unnecessary polarized light, reflections on non metallic surfaces, increases color density, and makes the whole picture clearer and more transparent. 2 ND: The ND filter can prevent overexposure, resist scattered light, reduce shutter speed, increase color saturation to make the picture more transparent and bright, and achieve large scale effects such as foggy water, night light trails, etc. The number behind ND represents the ability to reduce light. 3 Optical Glass: The filter lens adopts optical glass, high definition grinding treatment, high light transmittance, adopts the coating process to reduce light, almost no color cast. 4 Scratch Resistant: With double sided multi layer nano coating process, the lens is waterproof, oil proof, anti fouling and scratch resistant. 5 Portable: The drone camera lens filter set is small in size and easy to carry, with a storage box, which can be placed in a pocket and carried in a backpack.Item Type: Drone Camera Lens Filter SetMaterial: Aluminum alloy and optical glassGross Weight: 28g/0.99ozApplicable: For Mini 3 Pro Package List1 x CPL Drone Camera Filter1 x ND8 Drone Camera Filter1 x ND16 Drone Camera Filter1 x Storage Box