Precision CNC-Machined Aluminum Alloy FrameThe filter frame is crafted from high-quality aluminum alloy using CNC precision machining, ensuring a lightweight yet durable construction. This robust design provides a secure fit for your camera German Imported Optical Glass LensEquipped with premium German optical glass, this filter delivers exceptional clarity. The advanced lens grinding technology enhances both the physical and chemical properties of the glass, resulting in clearer images for professional-quality results Multi-Layer Coating for Enhanced ClarityFeaturing multi-layer coatings, the filter offers high transparency and brightness, preserving the true colors of your shots. This ensures more vibrant and lifelike photos, capturing every detail with precision Waterproof, Oil-Proof, and Scratch-ResistantBuilt to withstand tough conditions, this filter is coated to be waterproof, oil-resistant, and scratch-proof, providing effective protection for the lens. It's perfect for outdoor photography, ensuring long-lasting durability Reduce LightND filter is mainly used to reduce the amount of light when the light is too bright so that the camera can choose the correct exposure value to avoid overexposure. It can also "block" a lot of scattered light, which can increase the color saturation of the picture and make the picture more transparent and bright Specifications: Applicable models: for DJI Osmo Action 5 Pro/4/3 Material: Aluminum alloy + optical glass Compatible with: DJI Osmo Action 4 DJI Osmo Action 3 DJI Osmo Action 5 Pro Package included: 1 x Lens Filter Other items not included