answers: 5

  1. i is glorious
    11.03.2023

    Extremely pleasant bokeh, especially considering that the lens was not designed for 36x24 at all.

    Reply

    • after all
      12.03.2023

      for use in film projectors with a frame from narrow 16 mm film to widescreen 70 mm film.

      Reply

      • Rodion
        12.03.2023

        Definitely not for 70mm film. None of the lenses of the OKP series with a 6/6 scheme for wide film was intended.
        For 70 mm film, there were D.S. Volosov lenses. of the “Era” type (OKP8-90-1 90/2, for example) and its ten-lens lenses of the Ernostar type + Wide-angle attachment (OKP2-xx-1 series) + their compact “inseparable” versions 70KP.

        Reply

  2. Tube
    22.07.2023

    OKP5-90-1 90 mm f/ 1.8 for an EF DSLR does it make sense to adapt? If there is only a lathe, there is no experience, and the projector itself (not in Russia) is sold for $ 10?

    Reply

    • Rodion
      22.07.2023

      Try first without aperture. Case take Samyang 500 6.3 Mirror. There is a sense, the glass is excellent, but the mass is large.

      Reply

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