Specification: Material: Optical glass (lens) Weight: about 1.4g/pcs Size: about 20*18*14 mm/0.79*0.71*0.55" Installation mode: Snap type, quick installation and removal. Compatible For DJI Mavic Mini 2 Drone Features: ND-PL Filter In the field of drone and aerial photography, drone lenses have limitions on the sensitivity and weight, DN-PL Filter has created afusion of ND and PL filter, weighting only about 1.4g providing the photographer with photoged exposure time and eliminating polarized light. This filter combines the best of two words, and is a powerful tool for aerial photography and content creators. UV Filter Reduce haze and improve contrast to your video and digital images by minimizing the amount of ultraviolet (UV) light. Especially useful in areas of high altitude, snow, or beach, eliminating the undesirable blue cast. Imported optical glass, top level of transmittance. CPL Filter Removes unwanted reflections from non-metallic surfaces such as water or glass and glare from the sun. Increases color saturation, improve the clarity and expressiveness of the picture. Helps to reduce the amount of light entering the lens. Especially useful in reflective or stray light. ND Filter The main function is to reduce the amount of incoming light when the light is too bright, so that the camera can select the correct exposure value and avoid overexposure. Great for portraiture and outdoor scenes in sunlight, without affecting the color. Using the ND filter can also take advantage of slower shutter speeds to shoot special effects such as misty water, nighttime light tracks, and more. Allows wider apertures, effectively decreasing depth of field. Night Filter Anti-light damage filter can effectively reduce light pollution and make the picture show real color. Anti-light damage filter strictly chooses optical glass material to meet the requirements of high-definition painting quality Note: Drone is not included! IF YOU HAVE ANY QUESTION, PLEASE CONTACT US, WE WILL SOLVE IT FOU YOU AS SOON AS POSSIBLE.