For photographers and videographers seeking to elevate their craft, the 75x85mm Square ND16 4-Stop Lens Filter Plus+ is an essential tool for achieving professional-grade imagery. This high-quality, durable filter offers a 4-stop light reduction, enabling you to harness long exposure and depth of field techniques even in challenging low-light conditions. With the ND16's effective light attenuation, you can explore wider apertures to capture stunning shallow depth of field effects without the risk of overexposure.Crafted with the world's leading German Schott B270 optical glass, this filter guarantees no color cast, ensuring that the true colors of your scene are preserved. The 20 layers of advanced nano-coating not only provide a more consistent transmission curve for accurate light reduction but also facilitate easier cleaning and enhance resistance to water, oil, and scratches, making it a reliable choice for rigorous field use.