The Oshiro 500mm f/6.3 LD UNC AL Manual Super Telephoto Lens is a high-quality, full-frame lens designed for Sony Alpha mount cameras. 2.0 x teleconverter, It features an aspherical design and is made of durable aluminum. With a maximum aperture of f/6.3 and manual focus, this lens is perfect for capturing distant subjects. It comes with a 5-year manufacturer warranty and is compatible with 86mm filters. Measuring 17 inches in length and weighing 3.45 pounds, this lens is a great addition to any photographer's kit.