1. Perfect Compatibility: Specially designed for DJI Osmo Nano, this complete filter set features multi-layer coating that is waterproof, scratch-resistant, dustproof, and oil-resistant, providing all-round protection for your Osmo Nano lens. It meets both ND (Neutral Density) and CPL (Circular Polarizing) filter needs, offering multiple shooting effects with ND8, ND16, ND32, and CPL filters included. 2. High-Definition Optical Glass: Each filter is made of premium optical glass that maintains image clarity and true color accuracy. The glass is repeatedly polished and finely ground to achieve a low refractive index, ensuring vivid and natural photo results. 3. Aerospace-Grade Aluminum Frame: Crafted from high-strength aluminum alloy with laser engraving and a matte black finish, effectively preventing light leakage and ghosting. Every filter undergoes strict quality testing, and its lightweight construction ensures effortless use. 4. Rotary Knob Design: Features a secure quick-mount design for fast installation and removal. The filter locks tightly onto the Osmo Nano during shooting, with zero risk of loosening, ensuring stable performance. 5. Protective Storage Case: Comes with a dedicated four-filter storage box, providing safe organization and protection while being lightweight and easy to carry. Quickly switch filters anytime, anywhere. Specifications: 1. Material: Plastic + Optical Glass 2. Compatible Model: For DJI Osmo Nano Package Includes: 1. Filters (ND8, ND16, ND32, CPL) x 4 2. Cleaning Cloth x 1 3. Plastic Storage Box x 1 4. Inner Liner x 1 5. Quality Certificate x 1