It's time to elevate your cinematography with the NiSi Cinema 4x5.65"" True Color Linear Polarizing Filter, expertly engineered to diminish glare and reflections from non-metallic surfaces. This high-quality filter enhances saturation and vibrancy in skies and foliage, ensuring an optimal color reproduction that stays true to the original scene. Unlike many polarizing filters that introduce a warming effect, our True Color Pl technology eliminates this, providing a more accurate color representation.The NiSi Cinema 4x5.65"" True Color Linear Polarizing Filter is equipped with advanced Cine seal technology. This feature blackens the edge of the glass, enhancing its durability and reducing the impact of temperature fluctuations. It also prevents condensation, ensuring your filter performs optimally in various weather conditions.Polarizing filters work by filtering out light that has become polarized due to reflection from a non-metallic surface.