MC Helios-77M-4 1.8/50mm Super bokeh! USSR Lens Zenit, Pentax M42. s/n: 923441
MC Helios-77M-4 50mm F/1.8 Super bokeh! Excellent sharpness at an open aperture, very beautiful bokeh, even more twisted than Helios 44. Artistic portrait lens with good sharpness and beautiful swirling bokeh.