This Samigon Xtra wide-macro lens is a vintage gem for photography enthusiasts. With a screw thread diameter of 54mm and a 1:5.6 focal length, it allows you to capture stunning wide-angle shots with ease. Made in Japan, this lens is of top-notch quality and is perfect for vintage photography lovers. The Samigon brand is known for its exceptional quality and this lens is no exception. It is a great addition to any camera collection and is perfect for those who love to experiment with vintage lenses. Whether you are a professional photographer or a hobbyist, this lens is sure to impress. B8