【Protective UV Filter】 This UV filter reduces haze and minimizes ultraviolet (UV) rays while improving contrast. Perfect for capturing high altitude and snow photos without the bluish cast. Keep this filter on your lens to protect against dust, scratches, and bumps | 【High-Quality Optical Glass】The quality optical glass protects your lens from dirt, scratches, fingerprints, and unexpected damage,Nano-Coatings Featuring 16 layers of optical coatings and a light transmittance of up to 99.4% (and a minimum light reflectance of less than 0.3%), the multicoated UV filter blocks out ultraviolet rays ranging from 300nm to 410nm to reduce flare and ghosting while ensuring accurate color rendition | 【Strong Lens Frame】 Made of aluminum-magnesium alloy, the filter frame is strong and durable. With precision manufacturing and a matte black anodized finish, the screw-on filter is easy to use and has less reflections from the metal filter frame. The 0.22”/5.5mm thick filter measures only 0.13”/3.2mm in depth when screwed on your lens to avoid lens vignetting-ideal for wide-angle lens and telephoto lens | 【Super Slim & Non-Slip】 Super slim(only 0.13inch/3.2mm).non-slip design(trapezoidal pattern) ensure the friction is increased over a large area when rotate filter, very easy to install and remove the filter | 【Compatibility】 Compatible with all 77mm lenses. Please find out your camera’s lens thread size before buying. The thread size will be marked on the lens or the lens cap with the ‘ø’ followed by a number