Before you settle for less, consider the NiSi Brass Pro 46-49mm Step-Up Ring, a top-tier accessory designed to facilitate the use of 49mm threaded filters on lenses with 46mm standard filter threads. This step-up ring is more than just a connector it's a tool that enhances your photography experience.Constructed with a robust brass frame, this step-up ring is designed to withstand the rigors of regular use. Unlike standard aluminum setup rings, the NiSi Brass Pro Step-Up Ring is resistant to binding and jamming, ensuring a smooth, hassle-free removal process. The ring's knurled sides provide an easier grip, enhancing its usability and ensuring a secure fit between your lens and filter. This feature makes it an invaluable addition to any photographer's toolkit, whether you're a seasoned professional or a budding enthusiast.One of the standout features of the NiSi Brass Pro Step-Up Ring is its special anti-reflective felt treatment.