Made from hardened glass that is virtually unbreakable. UV filter with a diameter of 82 mm. Made from hardened glass: four times stronger than standard filter glass. 99% transmission guarantees no image degradation or light loss. The Cinema Series glass also supports the largest camera sensors. The Armor UV is crafted from hardened glass that is practically indestructible, serving as the first line of defense for your lens against elemental influences such as rocks, dust, and debris. This filter is not only four times stronger than conventional filter glass but also offers 99% light transmission, ensuring unaltered image quality without degradation or light loss, and resolves the largest camera sensors with our industry-leading optical polish from the Cinema Series.