The Leica XOONS Leitz Wetzlar XOONS 50mm Summarit Lens Hood is a rectangular accessory designed specifically for Leica Summarit lenses. With a 50mm front diameter, this lens hood helps to reduce glare and lens flare, providing better image quality and contrast in bright conditions. The Leica brand ensures high-quality design and compatibility with the specified lens model. This near mint hood is a valuable addition to any photographer's gear collection, offering improved performance and protection for their lenses.