You can expand your photographic capabilities with the NiSi Brass Pro 49-52mm Step-Up Ring, a versatile and reliable tool designed for professional photographers. This high-quality step-up ring enables the use of 52mm threaded filters on lenses equipped with 49mm standard filter threads, broadening your range of filter options without the need for multiple lenses.Constructed with a durable brass frame, this step-up ring is designed to withstand the rigors of professional use. Its knurled sides provide an enhanced grip, ensuring secure handling even in challenging shooting conditions. Unlike standard aluminum setup rings, the NiSi Brass Pro Step-Up Ring is engineered to prevent binding and jamming, facilitating easy removal and enhancing its usability.One of the standout features of this step-up ring is its special anti-reflective felt treatment on the inside of the frame. This innovative design element minimizes reflections, making it an ideal choice for long exposure photography.