The Isco Gottingen Westromat 1.9/50mm f/1.9 lens is a high-quality portrait and standard lens with a maximum aperture of f/1.9. It is designed for manual focus and features a 50mm focal length, making it suitable for capturing detailed close-up shots. With its M42 mount, this lens is compatible with a wide range of cameras and provides excellent image quality. Made in Germany, this lens combines precision and craftsmanship to deliver stunning photographs with sharpness and clarity. I'm happy to answer any questions and combine shipping when possible.