1. Made of quality material, durable to use 2. Choose professional lens and excellent lens grinding process to make the image clearer 3. Reduce haze and improve contrast to your video and digital images by the amount of ultraviolet (UV) light 4. Especially useful in areas of high altitude, snow, or beach, eliminating the undesirable blue cast. Top level of transmittance 5. Compatible with GoPro HERO9 Black
