The Vivitar 135mm f/2.8 telephoto portrait lens is a high-quality lens designed for portrait photography. With a maximum aperture of f/2.8, this lens can capture beautiful bokeh and allow for a smooth depth of field. The M42 mount ensures compatibility with a wide range of cameras, while the aluminum exterior adds durability and style. This lens also comes with a Lupe, 2 filters and case, cleaning cloth, camera bag, and is made in Japan, making it a reliable option for photographers looking to enhance their portrait photography capabilities.