1、Customizable Exposure: This adjustable ND filter features a rotating frame, allowing you to easily modify the ND value from light to dark, suitable for capturing desired exposure levels. 2、Wide ND Range: Our adjustable ND filter works between ND2 to ND400, utilizing two CPL filters stacked together. Suitable for various lighting conditions, while higher densities like ND1000 are not recommended. 3、Detailed Usage Tips: Familiarize yourself with the markings; start from minimum to maximum while observing the color shifting in the viewfinder. Note where uneven light reduction occurs for excellent slow shutter settings. 4、Advanced Technique Awareness: Be aware that uneven light reduction is not a quality issue but a result of Moorish patterning. Long exposures will help eliminate X shadows, ensuring consistent images. 5、Robust Construction: Constructed from shockproof tempered optical glass and an aluminum alloy frame, this adjustable ND filter boasts exceptional durability that resists shattering, suitable for outdoor photography. Item Type: Adjustable ND Filter Material: Optical Glass, Aluminum Alloy 1 x Adjustable ND Filter 1 x Storage Box