The product is a vintage Leica viewfinder with a 21mm chrome lens, designed for use with Leica film cameras. Made in Germany, this viewfinder comes with a protective case. As a genuine Leica accessory, it is a high-quality and reliable tool for photographers looking to enhance their vintage film camera experience. The 21mm lens provides a wide-angle view, making it ideal for capturing a wide range of shots with precision and accuracy. This viewfinder is a must-have for any photographer looking to elevate their photography skills with a classic and timeless piece of equipment.