How to fix Helios 81H or Helios 81M stuck aperture blades

Posted on January 7, 2015 by ShutterBug

Detailed instructions about how to disassemble, repair and assemble Helios 81M or Helios 81H lens. Very often aperture is stuck wide open and won’t close bec…

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3 Responses to How to fix Helios 81H or Helios 81M stuck aperture blades

  1. Retro Foto House says:
    January 7, 2015 at 12:10 pm

    Hello! Will come as soon as i will get 77m-4 in my hands. Great lens with
    great optical performance

  2. Владимир Батраков says:
    January 7, 2015 at 12:31 pm

    It’s cool !!
    Please review the repair helios 77m-4

  3. Владимир Батраков says:
    January 7, 2015 at 12:32 pm

    repair helios 77m-4,please

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