Modernized variant of the Helios 44 with M42 mount — reduced flare, but the same swirly bokeh characteristic.
Technical Details
The Helios 44M features a maximum aperture of f/2 and a minimum focusing distance of 50cm. The optical construction consists of 6 lenses in 4 groups, based on the modified Planar design. The filter thread has a diameter of 52mm, the lens weighs 230 grams with a length of 45mm. The aperture is manually adjustable from f/2 to f/16 in half-stop increments. Main variants include the 44M-4 (1958-1970), 44M-5, 44M-6, and 44M-7, which differ in coatings and mechanical details. Production primarily took place at the KMZ factory in Krasnogorsk.
History & Development
Development began in 1958 as a Soviet adaptation of the German Carl Zeiss Biotar 58mm f/2 from the 1930s. After World War II, Soviet engineers acquired the optical plans and further developed them. Over 6 million units were produced until the 1980s, mainly for Zenit SLR cameras. The lens became the standard lens for Soviet photography and cinematography. Mass production ended in 1992 with the collapse of the USSR.
Practical Use in Film
The characteristic "Swirly Bokeh" of the Helios 44M – a swirling rendering of out-of-focus areas at the edges – makes it a popular creative tool for filmmakers. This optical characteristic is caused by spherical aberration at wide apertures. Indie productions use it for dreamlike sequences or to emphasize psychological states. Adapters from M42 to modern camera systems (Canon EF, Sony E, MFT) allow its use on digital cinema cameras. At f/2.8 to f/4, the lens shows its best sharpness with a reduced bokeh effect.
Comparison & Alternatives
Compared to modern 50mm lenses, the Helios 44M offers less contrast and sharpness, but a distinctive vintage look. The Canon 50mm f/1.8 STM is sharper but more characterless. Similar Soviet alternatives include the Jupiter-9 85mm f/2 or the Mir-1B 37mm f/2.8. For professional productions, Zeiss CP.2 or Cooke Panchro classics replace the Helios, but cost 50-100 times more. The Helios is primarily suitable for low-budget productions or as a special effects lens for selective shots.