Helios-44M-5 58 mm f/2 - high-aperture, normal lens for 35mm SLR cameras with m42 connection thread
Specifications: Format: 35mm mirror Type: Constant focal length (fixed) Focus: Manual Focus System: M42 Optical design: 6 elements in 4 groups Focal length: 58mm Aperture: f / 2.0 - f / 16 Petal diaphragm: 6 Diameter of filter thread: 52mm Weight: 270g Length: 42mm Year of production: 1996 Product condition. Good condition. There are no scratches or fungi on the lenses. There are micro dust inside. The mechanics are working properly.