With the 58mm NanoPro Magnetic Nd 0.9 (8x) 3-Stop Filter, you can achieve a 3-stop reduction in light, uniformly darkening your entire image for a more dramatic effect. This filter, part of Haida's renowned NanoPro Magnetic series, attaches seamlessly to the magnetic adapter ring (sold separately) with a secure, yet easily removable connection. Designed for convenience and versatility, this Nd 0.9 filter boasts a magnetic attachment system that allows for swift and secure filter changes, enhancing your photography experience. Moreover, this filter is compatible with other Haida magnetic filters, enabling you to stack them without the risk of vignetting, thus expanding your creative possibilities.Please note that this filter does not come with a magnetic adapter ring, which needs to be acquired separately. Whether you're a professional photographer or a passionate hobbyist, the 58mm NanoPro Magnetic Nd 0.9 (8x) 3-Stop Filter is a valuable addition to your photography gear, offering you the flexibility to control light exposure and create stunning, high-quality images..