1. Multi-layer coating filter, high transparency and highlight to restore true colors 2. Use professional imported optical glass lenses to make the image clearer 3. Protect your expensive lens from dust and scratch while not lowing your photo quality. 4. ND filters washed out photos & video due to bright sunlight for better contrast & rich color.Significantly reduce lens flare and ghosting while making the filter anti-scratch, reduce reflection, increase surface durability, water resistant, oil & dust resistant. 5. 6-9 stop which also represents ND64, ND128, ND256, ND512 is for a normal day condition covering your needs from cloudy days to a normal sunny day. 6. Light aluminum alloy frame, lightweight, portable and durable, easy to install. 7. Size: 29x24.9x5.6mm
