【Protective UV Filter】 A barrier to provide physical protection for the front element of your lens, the UV filter shielding the lens from potential damage by dust, scratches, or bumps. An included lens cap protect the filter and lens from damage 【Premium HD Optical Glass】 The quality HD optical glass ensures superior image quality and accurately reproduces colors thanks to its outstanding optical performance 【Dual Sided Multiple Coatings】 24 layers of nanometer coatings on both sides are anti static, oleophobic, water repellent, and scratch resistant, minimizing reflection and lens glare for sharp images 【Ultra Slim & Robust Frame】 Crafted from black anodized aluminum alloy, the ultra slim frame is sturdy yet lightweight 【Know the Correct Filter Size】 This filter is compatible with lenses with a 77mm filter size. The filter size is marked on the front or side of your lens, next to a "ø"(diameter) symbol. Please confirm before purchasing