Magnetic CPL filter. Waterproof, dirt-repellent, mold-resistant, and scratch-resistant AR coatings. Ultra-thin metal frame, no vignetting. Magnetic and quickly attached. HD glass from Germany. The SmallRig MagEase Magnetic CPL Filter (52 mm) 4216 is a revolutionary product for photographers and filmmakers looking to enhance their shots. With its magnetic attachment, the filter can be easily and quickly mounted. Thanks to the high-quality HD glass from Germany, it provides excellent image quality and color saturation. The waterproof and scratch-resistant design makes it particularly durable and resilient. Additionally, the ultra-thin metal frame is designed to prevent vignetting, even when using a wide-angle lens. The SmallRig MagEase Magnetic CPL Filter (52 mm) 4216 eliminates unwanted reflections and enhances color saturation, resulting in a more intense blue sky and clearer water. It can also be used as an ND filter to reduce light by 1-2 stops. The filter allows for blue skies, clear water, and perfect light control with ND and CPL filters. The higher color saturation means a bluer sky and clearer water. To eliminate reflections, the CPL filter simply needs to be rotated correctly. Waterproof, dirt-repellent filter with an ultra-thin frame and magnetic attachment. The filter made from German Schott B270i HD glass features a waterproof, dirt-repellent, mold-resistant, and scratch-resistant AR coating with less color cast, as well as a CNC-machined ultra-thin frame. No vignetting, even when shooting with an ultra-wide-angle lens. It can be magnetically and securely attached to the magnetic SmallRig filter adapter ring.