The Nikon TC 200 2x Teleconverter Lens with Caps is a high-quality optics accessory designed for Nikon F-mount cameras. With a maximum aperture of f/2.0 and a focal length range of 20mm to 200mm, this lens allows for versatile shooting capabilities. Made of durable metal, this teleconverter lens is lightweight at 300g, making it easy to carry around for shooting on the go. The manual focus feature ensures precise control over your images, while the non-AF design caters to both film and mirrorless cameras. Made in Japan by Nikon in 1981, this lens is a reliable and durable option for photographers looking to expand their kit.