Check the listing for details. K&F Concept Filter Set for DJI Avata 2, Neutral Density Drone Lens Accessories. Condition: New. Listed at 36.99 USD. Features ultra-lightweight, it ensures your drone gimbal safe, and made of top optical glass to help reproduce uncompromised pictures, it's a valuable addition to your droneshot toolkit. 【28 Multi-Layer Coatings Optical Glass】Each filter made by imported AGC optical glass, with no effect on the image quality, ensures the restoration of the image's actual color.