For DJI Avata 2 STARTRC Drone Lens Filter 1. Multi-layer coating filter, high transmittance and high light to restore original color 2. Each filter is made of high-definition optical glass, which has no impact 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 to achieve color-accurate photo shooting. 3. Protect your expensive lenses from dust and scratches without reducing photo quality. 4. Weighing only 0.8 grams, it will not add extra burden to your gimbal or interfere with the normal flight of the drone. 5. Snap-on design, safer and quick installation, can be tightly fixed on the drone during flight, with zero possibility of loosening. 6. Material: Plastic + glass Features of different filters: 1. CPL Filters: Increases color saturation, creating deep, rich scenic images. Helps to reduce the amount of light entering the lens. 3. ND Filter: You can get more freedom to control aperture and shutter, bring more exposure methods and creative space for photography creation, and effectively prevent overexposure. The number behind ND represents the ability of the ND mirror to block light. (Note: Not all model type and styles include the above features, you can choose filter styles according to different effects) (Official Store)