The Leitz Leica Elmar 5cm f3.5 Coll LTM Lens M39 is a high-quality standard lens designed for Leica cameras. With a maximum aperture of f/3.5 and a focal length of 50mm, this manual focus lens is perfect for capturing a wide range of subjects with clarity and precision. Crafted in Germany, this lens is a must-have for photographers looking to add a touch of vintage charm to their work. Once you receive your lens, be sure to schedule a Cleaning and Lubrication Agreement (CLA) to ensure optimal performance for years to come.