Description 1. Optical glass, precision grinding and polishing, high-definition imaging, double-sided multi-layer nano-coating process, restore the 2. Installation not damage the lens, replace the filter at any time, so that you do not miss the wonderful moments. 3. for your lens protection; 4. small and , logo engraved by laser engraving not fade, 5. Adjustable filters, by rotating the gear can adjust the light, choose the right luminosity for , Specification:ND16 Colour:Black Material:Optical Glass Package Contents: 1 x Drone Lens Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.