For DJI Air 3S STARTRC 4 in 1 ND16 ND64 ND256 CPL Lens Filter1. Multi layer coating filter, high transmittance and high light to restore the true color 2. Using professional optical glass lens, the image is clearer 3. Protect your expensive lens from dust and scratches without degrading photo quality. 4. CPL Filters: Increases color saturation, creating deep, rich scenic images. Helps to reduce the amount of light entering the lens. 5. ND Filter: You can get more freedom to control aperture and shutter, bring