From the renowned brand Nisi comes the 40.5mm Nd-vario Pro Nano 5-9 Stops 1.5-2.7 Enhanced Variable Nd Filter, a high-quality and versatile tool for photographers and videographers alike. This professional-grade variable neutral density filter offers an impressive exposure reduction of 5 to 9 stops, providing you with unparalleled control over your camera's exposure and depth of field in a variety of lighting conditions.Effortlessly adjust the degree of density with a simple rotation of the silver knob. This feature ensures a smooth transition of density, enabling you to fine-tune the exposure length to perfectly match the requirements of any given scene. Whether you're capturing the subtle nuances of a low-light setting or creating a captivating shallow depth of field in portrait photography, this filter delivers the flexibility you need.The 40.5mm Nd-vario Pro Nano filter not only enhances your control over exposure but also makes it easier to convey movement in your shots.