B+W is a long-established German optical manufacturer. Leica's genuine filters are actually outsourced to external manufacturers, and B+W is responsible for some of them. In other words, B+W filters are high-quality, reliable products that meet the optical standards required by Leica. - Brand: B+W - Model: 007 Neutral MRC - Size: 62 mm - Country of Manufacture: Germany - MRC: Yes Product Description This is a protective filter that prevents dirt, sand, moisture, etc. from entering the front lens element. B+W's unique MRC (Multi Resistant Coating) provides excellent water-repellent, oil-repellent, and anti-fouling functions, making it difficult for dirt particles and water droplets to adhere and easy to clean. It also has a design that reduces reflections.