1. Protect your expensive lens from dust and scratch while not lowing your photo quality. 2. Significantly reduce lens flare and ghosting while making the filter anti-scratch, reduce reflection, increase surface durability, water resistant, oil & dust resistant. 3. ND filters washed out photos & video due to bright sunlight for better contrast & rich color. 4. Portable and durable, easy to install. 5. Lightweight, high transmittance and low reflectivity
