The Helios -44M-4 58mm f2 lens is a high-quality manual focus lens with a maximum aperture of f/2. Made in Russia, this lens features a classic M42 mount and a focal length of 58mm, making it ideal for capturing detailed images with a shallow depth of field. Known for its distinctive "soft focus" look, the Helios -44M-4 is a popular choice among photographers looking to add a touch of vintage flair to their photographs. Manufactured in the highly regarded KMZ factory near Moscow - made in 1983. In good condition considering age with clean optics.