1. Optical glass, precision ground and polished, provides high-definition imaging. 2. Utilizes double-sided multi-layer nano-coating technology to restore . 3. Double-sided oil-repellent and waterproof, safeguarding your lens. 4. Double-sided adhesive design can be tightly fixed on the lens and not fall off accidentally during flight. 5. Installation does not damage the lens, allowing for easy filter changes so you 't miss any exciting moments. Cautions:Only UV filters can transmit 98 % of light; CPL filters cannot be expressed in terms of light transmission Colour:As Shown Material:Aluminum alloy + glass Package Contents: 1 set of filters for NEO 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.