For DJI Mini 4 Pro RCSTQ Filter HD Protective Mirror Drone Accessories 1. HD optical glass, lens polishing process, with high durability and anti-scratch, reduce the exposure of the screen, so that the image clear and transparent 2. Multi-layer coating production process, anti-color deviation, anti-scratch, restore the true color of the picture 3. Adjustable CPL filter, you can rotate the lens to change the amount of light in the shooting, to realize the needs of shooting in different light 4. Waterproof, oil release, anti-fouling multiple protection, long-lasting durability 5. Lightweight design, high-precision adaptation, does not affect the calibration and balance of the drone 6. Material: aluminum alloy + optical glass 7. Function: - ND filter: extend exposure - UV filter: lens protection - CPL filter: adjustable light reduction - NDPL filter: adjustable light reduction + polarization 8. Size: about 2.4 x 1.6cm 9. Description: filters only, other items in the picture are not included