Features: Camera lens filter UV CPL ND4/8/16/32 for Mini 3 Pro drones. ND/CPL filters, can elimanate reflections, increase saturation, enhance contrast, making the pictures more three-dimensional and transparent, preventing overexposure. Multi-layer nano-coating, water-proof, oil-proof, anti-fouling and scratch-resistant performance. High-defination grinding optical glass lens, brings you clear imaging and restoring the subjective viewing angle experience. Aviation aluminum frame, durable and not easy to corrosion, quick design for easy installation. Package Includes: 1 Piece Lens Filter Specifications: Material: Aluminum Alloy+Optical Glass Size: Approx. 2x1.3x0.3 for cm/0.78x0.51x0.12 inch Process: for nano multi-layer coating Type: UV, CPL, ND8, ND16, ND32, ND64(optional) Applicable Model: for Mini 3 Pro note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.