The filter is perfect for DJI Air 3, multi-layer coating, waterproof, scratch-resistant, dust-proof, and oil-proof, protecting your lens from all-round damage. At the same time, it reduces the amount of light entering the camera lens of the DJI drone and helps to avoid overexposure, resist scattered light, and increase color saturation, making the picture more transparent and gorgeous ND 8/16/32/64 filters provide 3/4/5/6 levels of light reduction respectively. When using it, the shutter speed can be reduced to make the picture have a proper motion blur. It is often used to shoot waterfalls, flowing water, waves, mountains, rivers, and other landscape themes to achieve large effects such as foggy flowing water and night light trails Each filter is made of high-definition optical glass, which has no effect on image quality. It has been ground and polished many times to form a low refractive index, ensuring the restoration of the true color of the image, so as to achieve color-accurate photo shooting The aviation-grade aluminum frame is laser engraved with a matte black finish to prevent light leakage or ghosting, ensuring each filter is rigorously tested and won't add extra burden to your gimbal or interfere with your drone's Normal flight, weighing only 5 grams Snap-on design, safer and quick installation, can be tightly fixed on the drone during flight Specifications: Material: aluminum alloy + optical glass Applicable models: for DJI Air 3 Single filter size: 3.79*3.1*0.304cm