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Helionar-1 85 mm f/ 1.4 MC Lens

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Helionar-1 85 mm f/ 1.4 MC lens

Helionar-1 85 mm f/ 1.4 MC lens

Optical design

Helionar-1 85 mm f/ 1.4 MC optical design

Format: 35mm SLR

Type: Prime lens

Focusing: Manual Focus (MF)

Lens mounts: Pentax K

Optical design: 7 elements in 6 groups

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Specifications:

Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)
85mmf/1.4f/2290.972520/18,363/2,5

Additional information:

 

Helionar-1 85 mm f/ 1.4 MC (Russian: "Гелионар")

  • focal length 84.8 ± 1.7 mm
  • diagonal angle of view - 28°
  • diameter - 75 mm
  • resolution - 50/30 lpmm
  • coefficient of transparency - min 0.85
  • color contribution index (CCI): – 11-0-0
  • plain attachments - Ø75 mm

The MC Helionar-1 85mm f/1.4  is an ultra-fast portrait prime lens for 35 mm Pentax K SLR cameras. The lens features an achromatic multi-coating.

Later on, as a result of plant trademarks unification the lens was renamed MC Zenitar-1K 1.4/85.

At present the MC Helionar-1 85mm f/1.4 lens is very rare and expensive.


Posted by: dobrun   Date of publication: 07.07.2011


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