1、Adjustable ND Filter: The variable ND filter allows you to rotate the lens, achieving a customizable ND value between ND2 and ND400, you can see the change of the lens from light to dark 2、Double CPL Stacking: This adjustable ND filter adopts dual CPL overlay design, offering a wide range of adjustable ND effects, suitable for photographers seeking convenience and accuracy 3、Tempered Optical Glass: Crafted with shock resisting tempered optical glass, this ND filter is designed to withstand the rigors of professional use, ensuring high durability, minimizing the breakage 4、Aluminum Alloy Frame: The aluminum alloy frame not only adds a modern look to the filter but also provides high strength and reliability. This sturdy frame protects the lens glass from damage 5、Wide Applications: Suitable for a broad range of ND values from ND2 to ND400, this variable ND filter is versatile for various photography types, providing the flexibility to adapt to more scenes Item Type: Variable ND Filter Adjustable Range: ND2-400 Material: Optical Glass, Aluminum Alloy 1 x Adjustable ND Filter 1 x Storage Case