The TELE-ZOOM LENS 1:4 90MM-210MM with Lens Cap & Case #740563 is a manual focus zoom lens designed for adapting all mounts. Made of plastic and weighing 2.5 lbs, this lens has a focal length range of 90-210mm, making it versatile for a variety of photography needs. The lens also includes a cap and case for protection when not in use. With a maximum aperture of f/1.4, this lens from Focal is a high-quality option for photographers looking to expand their creative capabilities. A7