50mm · f/1.8
The Helios-77M-4 50mm f/1.8 MC is a Soviet-era lens known for sharpness wide open and distinctive swirly bokeh, though less pronounced than the Helios 44-2 (Humulus). It flares heavily, requiring a hood (Humulus). Build is all-metal and robust. It suits artistic portrait photographers seeking character, especially on full-frame for stronger swirl.