Nano Coating Process: The ND filter for DJI Air 3 adopts a double sided multi layer nano coating process, which has waterproof, oil resistant, stain resistant, and scratch resistant properties. Easy to Disassemble and Assemble: The snap on design is easy to install and disassemble, while ensuring that the filter is tightly fixed to the drone lens during flight, allowing you to embark on your aerial video journey with peace of mind. Lightweight and Portable: The ND filter is made of ultra thin aluminum frame. Equipped with a storage box, the filter can be placed in a pocket, and the backpack is convenient for transportation and storage. High Definition Optical Glass: The lenses are made of optical glass with high definition grinding treatment, almost without color deviation, high transmittance, and clear imaging, bringing you higher high definition image quality. Dedicated for DJI Air 3: ND lens filter is designed specifically for DJI Air 3 drones, providing more space for photography and clearly documenting beautiful scenery.