The Olympus 35-70mm f/3.5-4.5 Zoom Lens OM Power Focus - Model SAL7 is a high-quality camera lens designed for Olympus cameras. It features a maximum aperture of f/3.5 and a focal length range of 35-70mm, making it versatile for a variety of photography needs. This lens is part of the Olympus OM system series, manufactured in the 1980s in Japan, and comes with both power and manual focus capabilities. Its exterior material is plastic, and it is compatible with 49mm filters. The Olympus SAL7 lens is a reliable choice for photographers looking for a dependable zoom lens for their Olympus camera.