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. ND filters significantly reduce lens flare and ghosting, washed out photos & video due to bright sunlight for better contrast & rich color. 4.Protect your expensive lens from dust and scratch while not lowing your photo quality. 5. Light aluminum alloy frame, lightweight, portable and durable, easy to install. 6. Size: 29x23.5x4.1mm
