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. 6-9 stop which also represents ND64 to ND512 is an ideal solution for working during a bright sunny day covering your need for mid-afternoon.
5. 2-5 stop which also represents ND2 to ND32 is for a normal day condition covering your needs from cloudy days to a normal sunny day.
6. Lightweight, high transmittance and low reflectivity.
7. Portable and durable, easy to install.