The Sony FE 50mm F1.8 Full frame Prime E-Mount Lens SEL50F18F is a high-quality standard prime lens designed for Sony camera systems. With a maximum aperture of f/1.8, this lens is ideal for capturing sharp images with beautiful bokeh. The lens is compatible with Sony cameras, has a focal length of 50mm, and is designed with a Sony E-mount. It is lightweight and compact, making it a versatile and reliable lens for photographers looking to add a prime lens to their kit.