Helois-44mm 2 58mm SR 7909668

Helios-44M 58mm f/2 – M42 Mount (Serial No. 7909668)

The lens with serial number 7909668 is a Helios-44M 58mm f/2, produced in 1979 in the former Soviet Union, most likely by KMZ (Krasnogorsky Zavod). This version is part of the popular Helios-44 series, known for its distinctive swirly bokeh, solid build, and a unique character that has made it a favorite for both film and digital photographers.

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Key Features

• Focal Length: 58mm – slightly longer than standard, excellent for portraits

• Maximum Aperture: f/2, down to f/16

• Lens Mount: M42 screw mount – adaptable to most mirrorless digital systems

• Optical Design: 6 elements in 4 groups, based on the Carl Zeiss Biotar formula

• Aperture Control: Manual with 8-blade diaphragm

• Minimum Focus Distance: Approx. 0.5m (1.6 ft)

• Focus Type: Manual focus with long, smooth throw

• Coating: Early single coating – later models were multi-coated (MC)

• Filter Thread: 52mm

• Build Quality: All-metal construction, durable and mechanically sound

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What’s Included

• Helios-44M 58mm f/2 lens (Serial No. 7909668)

• Front and rear lens caps 
  

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Condition

Used – Good condition: The lens is fully functional, with clear optics, smooth focus, and clean aperture blades. Some minor dust or cosmetic wear may be present, but there is no haze, fungus, or separation that would affect image quality.