1、Gradient Blue Filter: This gradient blue filter can make the sky more deep, which is often used in landscape photography to make your pictures more pleasing to the eye. 2、GND Filter: The G.ND filters can change the light ratio entering the lens, reduce the brightness of a certain part of the picture, and realize the soft gradient effect. It is often used for shooting sunrise and sunset, and scenes with large difference between the sky and the ground. 3、Optical Glass Material: These lens filters are made of optical glass, and adopts HD grinding treatment, which has high transmittance. Adopting the coating dimming process, the filter almost has no color deviation. 4、Nano Coating Process: These drone optical glass filters use double sided and multi layer nano coating process, so the filter has waterproof, oil proof, anti fouling and anti scratch properties. 5、Portable: These drone camera filters are compact in size and easy to carry. And the set is equipped with a storage box and can be put in a pocket and carried in a backpack. 1 x G.Blue Filter1 x G.ND8 Filter1 x G.ND16 Filter1 x Storage Box Item Type: Drone filterMaterial: Aluminum alloy, optical glassWeight: Approx. 28g/1ozApplicable Model: Fit for Mini 3 Pro