Beck's branded 0.45x Semi-Fisheye conversion lens, designed to screw onto existing camera lenses. The item is explicitly marked with "30mm -> 37mm" threading, indicating its compatibility with specific lens filter diameters.It is labeled as "JAPAN", suggesting its origin of manufacture .These types of lenses are typically used for wide-angle panoramic shots or creative fisheye effects In good condition no lens caps Packaged and sent securely
