MagEase Magnetic VND Filter Kit ND2-ND32 (1-5 Stops) with M-Mount Filter Adapter 52mm 4386B. The SmallRig MagEase magnetic VND filter ND2-ND32 (1-5 stops) 52 mm 4215 includes two CPLs that can be stacked and rotated to reduce the amount of light and thus compensate for exposure time. The inner polarizer is magnetically attached to the SmallRig filter adapter ring via a lower fixing ring, while the outer polarizer can be rotated in 1-5 stop increments using an aluminum alloy ring to reduce light. The filter, made from German Schott B270i HD glass, features a waterproof, dirt-repellent, mold-resistant, and scratch-resistant AR coating with reduced color cast, as well as a CNC-machined, ultra-thin frame. The large diameter filter prevents vignetting even when shooting with an ultra-wide-angle lens. The filter can be magnetically and securely attached to the magnetic SmallRig filter ring adapter and rotated between different stop settings at ND2 and ND32 for precise control of your shots.