Why settle for ordinary when you can elevate your photography with the 55mm Nano-x 1/4 Black Soft Diffusion Magnetic Filter from KandF Concept This innovative filter is designed for the discerning photographer who demands both quality and versatility in their gear. Crafted with durable, aviation-grade aluminum alloy, this filter offers a two-in-one function with its magnetic and threaded design, ensuring quick and secure attachment to your lens.The professional-grade optical glass used in this filter is treated with a double-sided multilayer anti-reflection coating, which significantly reduces surface reflections and prevents common issues like ghosting. This ensures that your images retain their clarity and high definition, even when shooting within a 550mm focal length. With a standard transmittance rate of 87%, the filter maintains the natural light intake while delivering the soft, dreamy effects that are sought after in portrait and cinematic photography.