●The K&F Concept DJI AIR 2S filter uses AGC optical glass with 28 layers of nano-coating ●28-layer coating minimizes reflections and flares and improves image quality. The hydrophobic coating is also waterproof and stain resistant ●Frame design makes it convenient to install and remove. It fits perfectly into the lens and is not easy to fall off. Kit includes propellers for DJI AIR 2S as a gift ●The weight of the filter is strictly tested and will not affect the gimbal camera load ●Black the surface of the filter to minimize reflections and reduce impact on imaging