Take your photography to the next level with the KandF Concept 49mm Nano-x Nd2-32 1-5 Stop Magnetic Variable Neutral Density Lens Filter. This innovative filter is designed to extend exposure time, allowing you to capture every breathtaking moment with precision and clarity. The KandF Concept Magnetic Variable ND filter is engineered to reduce the amount of light entering your camera lens. This key feature makes it easier to achieve professional effects such as a shallower depth of field or blurred motion. With its 1-second swap feature, there's no need to screw on the lens, ensuring you never miss a shot. This neutral density filter offers adjustable light reduction from 1 to 5 stops. Simply rotate the filter to control the light reduction, giving you the flexibility to adapt to various lighting conditions. Designed to support wide-angle lenses without vignetting, the front diameter of this filter is larger than the back diameter, ensuring optimal image quality.