The USED Rokinon 50mm F1.4 AS UMC Lens for Sony E Mount is a high-quality lens designed for Sony cameras with E-mount compatibility. With a maximum aperture of f/1.4, this lens is ideal for capturing sharp images with beautiful bokeh. Made of durable aluminum, this lens has a focal length of 50mm, making it perfect for portrait photography. The manual focus feature allows for precise control over your shots, while the 77mm front lens compatible with a variety of filters. Overall, this Rokinon lens is a reliable choice for photographers looking to enhance their Sony E-mount camera setup.