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Kamerastore Digital Database

Helios 50mm f2 Helios-81H MC - Lens

Helios 50mm f2 Helios-81H MC - Lens

Manual focus normal lens made for Nikon F-mount SLR cameras in the Soviet Union. Produced as the standard lens for the Kiev-19, this lens has the AI tab but no bunny ears. It will not meter properly on early F and Nikkormat bodies. Descended from the Helios-65, which itself is a shortened version of the famous Helios-44. Metal body available in black.

  • Helios 50mm f2 ГЕЛИОС-81H (6 elements, 4 groups)
  • Minimum focus distance: 0.5m
  • Aperture blades: 6
  • Size: 32 x 61 mm
  • Weight: 214g
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Nikon F

Nikon introduced their first SLR, the Nikon F, in 1959. Alongside it they unveiled a series of lenses and a new lens mount that would carry them to professional success for the next decades. To this day, all Nikon DSLRs use the Nikon F mount.

In the beginning, Nikon lenses communicated aperture information to the body using a metal coupling fork, affectionately known as "bunny ears". Soon after, Nikon began using a similar system that automatically told the camera the maximum aperture of the lens. This Automatic Indexing (AI) system stuck around for decades in lenses and is still found on Nikon's high-end professional DSLRs even though new lenses communicate this information electronically.

With only minor compatibility issues (don't use a pre-AI lens on AI bodies or modern digital cameras), Nikon F lenses and bodies are pretty much interchangeable.

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Helios 50mm f2 Helios-81H MC - Lens Availability & Price History
Date Sold SKU Quality Control Price Image
02 Apr 2023 T39929 € 75.00 Helios 50mm f2 Helios-81H MC - Lens Image
25 Mar 2023 T39415 € 69.00 Helios 50mm f2 Helios-81H MC - Lens Image
25 Nov 2022 T31259 € 69.00 Helios 50mm f2 Helios-81H MC - Lens Image
15 Aug 2022 T21195 € 25.00 Helios 50mm f2 Helios-81H MC - Lens Image