The Voigtlander 50mm Metal Front Lens Cover is designed specifically for 35mm, 75mm, and 90mm lenses, such as the Voigtlander Nokton. Made by the renowned manufacturer Zeiss, this black front lens cap has a 46mm metric diameter and is crafted in Japan. Its durable construction ensures protection for the lens while adding a sleek and stylish touch to your camera gear. Perfect for photographers looking to keep their lenses safe and secure during transport or storage.