The product is a vintage 80-200mm manual zoom lens with a maximum aperture of f/4.5, made by the brand Vivitar. It is designed for SLR cameras, specifically those with a legacy Olympus OM 35mm film SLR mount. The lens barrel is constructed from aluminium, providing durability and high-quality performance. Ideal for photography enthusiasts looking to capture images with a classic lens that offers versatility in focal length and a smooth manual zoom function