From Wikipedia, the free encyclopedia
Zeiss Biotar optical formula

Helios-44 is a Soviet copy of the Carl Zeiss Biotar 58mm ƒ/2 lens produced under the Helios lens brand. [1] The lens was made in the Soviet Union and Russia, primarily for the M42 lens mount.

Specification

Source: [2]

  • Distance scale: 0.5 m to ∞
  • Aperture: f/2 - f/16
  • Focal Length: 58 mm
  • Mount: M39, M42, Pentax-K, Zenit-D, Canon EF
  • Filter thread: M52 x 0.75 for Helios-44X-X, M49 x 0.75 for other
  • Weight: 230 g
  • Resolution: 50/30 lines per millimeter (for Helios-44M-7)

References

  1. ^ ""Гелиос-44", 2/58, КМЗ, ММЗ, Валдайский з-д "Юпитер"". Archived from the original on October 14, 2008.
  2. ^ "ZENITcamera: Объектив Гелиос-44". www.zenitcamera.com. Retrieved 2024-01-02.
From Wikipedia, the free encyclopedia
Zeiss Biotar optical formula

Helios-44 is a Soviet copy of the Carl Zeiss Biotar 58mm ƒ/2 lens produced under the Helios lens brand. [1] The lens was made in the Soviet Union and Russia, primarily for the M42 lens mount.

Specification

Source: [2]

  • Distance scale: 0.5 m to ∞
  • Aperture: f/2 - f/16
  • Focal Length: 58 mm
  • Mount: M39, M42, Pentax-K, Zenit-D, Canon EF
  • Filter thread: M52 x 0.75 for Helios-44X-X, M49 x 0.75 for other
  • Weight: 230 g
  • Resolution: 50/30 lines per millimeter (for Helios-44M-7)

References

  1. ^ ""Гелиос-44", 2/58, КМЗ, ММЗ, Валдайский з-д "Юпитер"". Archived from the original on October 14, 2008.
  2. ^ "ZENITcamera: Объектив Гелиос-44". www.zenitcamera.com. Retrieved 2024-01-02.

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