1. CPL filter provide color and contrast enhancement. Great for portraiture and outdoor scenes in strong sunlight.
2. Significantly reduce lens flare and ghosting while making the filter anti-scratch, reduce reflection, water repellent, increase surface durability, oil & dust resistant.
3. Create a star pattern, translate brightness of the sun, blinks of light on the water, reflections, etc. into a culturally readable image. Add some sparkle to your night shots, city skylines, street scenes, lamp posts, streetlights, car headlights, candle lights, and gaslights, any place there is sources of points of light.
4. A golden thin line on outside of the filter circle adds beauty to the filter.
5. Lightweight, high transmittance and low reflectance.