The Meyer-Optik Gorlitz Trioplan 100mm F/2.8 M42 manual focus camera lens is a classic telephoto lens from the 1950s, manufactured in Germany by Meyer Optik. With a maximum aperture of f/2.8, this lens is known for its high-quality aluminium exterior and manual focus capability. The lens is compatible with universal camera brands and features a 40.5mm filter size, making it a versatile and reliable option for photographers looking to capture stunning telephoto shots. The Trioplan 100mm F2.8 lens is a lightweight unit weighing 341g, perfect for on-the-go photography. working perfectly comes with original box and lens caps very good condition see pictures ????