【Superior Material】The -notch HD optical glass can safeguard your lens against dust, scuffs, smudges, and unforeseen harm. 【Square UV Filter】Employ the square UV filter to obstruct ultraviolet rays and eradicate the bluish tint in photographs. 【Dual-Sided Nano Coating】Showcasing numerous layers of optical coatings and a light transmission capability, the UV filter with multiple coatings obstructs UV rays to minimize glare and double images while guaranteeing precise color reproduction. 【Extensive Compatibility】In contrast to conventional circular filters designed for specific lens sizes, this square filter is not directly screwed onto the lens. Therefore, it can be utilized with lenses of different focal lengths when affixed to a matte box or filter frame. 【Protective】This UV filter diminishes mistiness and lessens ultraviolet rays while enhancing contrast. Ideal for capturing images at great heights and in snowy conditions without the bluish tint.