The Roeschlein Kreuznach E Telenar 135mm f/5.6 M39 screw focus portrait lens is a high-quality lens made in Germany. With manual focus and a maximum aperture of f/5.6, it is ideal for capturing detailed portrait shots with stunning clarity. The 135mm focal length allows for versatile shooting capabilities, making it a popular choice for photographers looking to add a unique perspective to their work. This lens is a great option for those seeking a reliable and well-crafted portrait lens for their photography equipment.