NiSi Swift True Color Waterproof Pro Nano Coating CPL Filter for VND and Swift System (72mm)The NiSi Swift True Color Pro Nano CPL Filter for 72mm True Color VND and Swift System reduces glare and reflections from non metallic surfaces and increases saturation and vibrancy in the sky and foliage while ensuring true color reproduction is at its best by eliminating the warming effect that many polarisers create. The Nisi True Color CPL removes the warm tone seen with other brands of CPL filters and provides a closer, true color representation