KMZ Helios-44M Objektiv 58 mm f/2,0 USSR für Zenit, Pentax. M42 Halterung! s/n: 8149359
M42 mount! Based on the lens Carl Zeiss Biotar 2/58. It has 8 blades diaphragm! Lens mount: M42. (Adapter not included). Focal length: 58mm. Artistic portrait lens with good sharpness and beautiful swirling bokeh.