The Vintage Vivitar Series 1 70-210mm f/3.5 Macro Focusing Auto Zoom Lens is a classic lens from the renowned Vivitar brand. With a maximum aperture of f/3.5, this lens is designed for macro focusing, making it ideal for capturing detailed close-up shots. The auto zoom feature allows for convenient and precise focal length adjustments between 70-210mm, providing versatility in shooting various subjects. This lens is a great addition for photographers looking to experiment with manual focus and capture beautiful images with a vintage touch.