Helios-44-2 58 mm F/2.0, UdSSR Objektiv, M42 Mount! s/n: 79087447
Based on the lens Carl Zeiss Biotar 2/58. It has 8 blades diaphragm! Helios-44-2 58mm F/2.0, USSR Lens, M42 mount ! Lens mount: M42. Focal length: 58mm. Artistic portrait lens with good sharpness and beautiful swirling bokeh.