With the 77mm Nano-x Neutral Density ND1000 3.0 10-Stop Magnetic Filter, you can experience the convenience of a one-second installation and removal process, thanks to its magnetic design. This filter is not just quick to use, but also ensures optimal image quality with its no color cast feature and 10-level dimming capability (3.0). The filter's superior performance is further enhanced by its 16-layer nano-coating, topped with an anti-reflection green film. This advanced coating technology significantly minimizes surface reflection while effectively filtering ultraviolet rays. The result is a remarkable improvement in light transmittance and color balance.The glass of this 77mm Nano-x Neutral Density ND1000 3.0 10-Stop Magnetic Filter undergoes a meticulous optical polishing process, followed by the application of a high-tech film on the surface.