answers: 273

  1. Hleb
    12.12.2021

    It seemed strange to me that with the same data (layout, aperture ratio, optical characteristics), the Yu-21M is heavier and larger than the Yu-21A .. disassembled, removed all unnecessary, it turned out MUCH more compact and, a little easier .. it became much more convenient to hold in your hand. . went further, removed the ENTIRE aperture mechanism, it turned out 3,5 (compared with Vivitar 3,5 / 200 .. with very good sharpness (H.A. does not count), I do not need aperture ..

    Reply

  2. Julia
    24.01.2022

    Hello. Tell me, is the adapter for Nikon d850 that you offer in the article (with a chip and a lens) suitable?

    Reply

    • B. R. P.
      24.01.2022

      Will do.

      Reply

    • Arkady Shapoval
      24.01.2022

      Yes, it will do, but on the d850 some better lens is better, look for your native Nikon ai 200/4 (this) is inexpensive.

      Reply

    • MARAT
      23.05.2022

      Not suitable, because Nikon D850 is a full-frame device, the adapter will catch the mirror, the owner of the Nikon D610 and the mirror will catch it (exactly the one with the lens). In the same price category there is Telear-N.

      Reply

      • B. R. P.
        24.05.2022

        If the adapter is normal, it will fit.

        Reply

  3. Amir
    30.01.2022

    tell me what can be done?
    canon60d bought a programmable adapter but it only works in live view mode, it gives an error through the peephole, is this an unsuccessful adapter model?
    the second does not focus at infinity, everything blurs, and in the middle it also focuses poorly, it only catches well within 20 meters, is this normal? crop factor 1.6.

    Maybe the lens is just misaligned? Can you tell me what can be tweaked?

    Reply

    • B. R. P.
      30.01.2022

      Perhaps the curve adapter, the lens could be disassembled and reassembled incorrectly. What to twist look on YouTube.

      Reply

  4. Stas
    16.05.2022

    On the Internet, there is an opinion that the corrective lenses of KP / AN adapters do not introduce distortion. Your comments on this matter!

    Reply

    • Andrei
      16.05.2022

      Where are the lenses in this adapter? Have you ever held it in your hands before asking a question? I am sure that the “open spaces of the Internet” are somewhere in Russia, where they like to ask questions without delving into their meaning.

      Reply

    • Arkady Shapoval
      16.05.2022

      kp a / n goes without a lens, the image does not spoil

      Reply

  5. George
    24.06.2022

    Hello, I am impressed with your review and results from using this lens. I would like to ask you if this lens can be used in my Fuji HX -1 x mount camera effectively?
    If yes, is it possible to focus to infinity?
    Do you think that this adapter:K&F Concept M42-FX Adapter for M42 Screw Mount Lens to Fujifilm Fuji X Cameras is the proper adapter for this lens?
    Thank you very much.
    George.

    Reply

    • B. R. P.
      24.06.2022

      Yes, everything will fit. How effective the use of the lens will be more up to you. Of course, more modern lenses are more efficient.

      Reply

  6. Paul
    09.11.2022

    Good afternoon, whoever, far away, will tell me which adapter with a lens is needed for infinity on Jupiter 21m 4.200, on nikon d3100. There is an adapter with a lens, but it does not fit, I would like to know exactly which one is needed.

    Reply

    • B. R. P.
      09.11.2022

      Already suggested. Quote from the review: “NIKON: For Nikon DX / FX cameras, as well as for Fujifilm and Kodak cameras with Nikon F mount, you need an M42-Nikon F adapter, you can buy such an adapter without a lens and a chip here, with a lens without a chip here, with a chip without lens here, with lens and chip here. Why a lens? Why a chip?
      What adapter do you have and what exactly does not fit?

      Reply

      • Paul
        09.11.2022

        I figured out the adapter, it didn’t spin with me due to the fact that another adapter from the Vega 11 u (m 39) lens was screwed into it. I put it on jupiter21m but still there is no infinity

        Reply

      • B. R. P.
        09.11.2022

        There is no infinity because it is without a lens.

        Reply

  7. Paul
    10.11.2022

    no lens there is it just not visible in the photo

    Reply

    • B. R. P.
      10.11.2022

      Who knows what adapter you have.

      Reply

  8. Jasont Louis
    29.11.2022

    Hello. Tell me what adapter will be on the Nikon D3200? I am a beginner, I have a Nikon D3200 with 18-55 and I wanted to try Soviet lenses. Helios 81N, Jupiter 37A and 21M which I liked more. Thanks in advance :-D

    Reply

    • Arkady Shapoval
      29.11.2022

      In the review, after all, there is a block on adapters.
      NIKON: For Nikon DX / FX cameras, as well as Fujifilm and Kodak cameras with Nikon F mount, you need an M42-Nikon F adapter (there are also links)

      Reply

  9. George
    18.03.2023

    Hi there.
    I have a Jupiter 21M lens on a Fuji hx1 camera. I really like this lens and I use it effectively in shorter distances, but I can,t focus in infinitive. May be it needs some “intervention” on it.
    Would you like to help me do this.
    Thank you very much.
    George

    Reply

    • B. R. P.
      18.03.2023

      Try to choose the right adapter, taking into account the difference in working lengths.

      Reply

  10. George
    20.03.2023

    Hi there,
    Thank you very much for the quick response.
    I use an k-f adapter m42 fx. Do you know if there is another more specific adapter for the Fuji hx 1?
    Thank you very much
    George

    Reply

  11. Alexey
    25.11.2023

    good afternoon
    Is it possible to use a Jupiter 21M lens and a Panasonic DMC-FZ20 camera?

    Reply

    • Arkady Shapoval
      25.11.2023

      Impossible

      Reply

  12. gtt
    23.05.2024

    Welcome all!
    Canon 450d + Jupiter-21M (same as in the review).
    Adapter without chip.
    I focus through the viewfinder on a specific object, take a photo and...
    the object in the photo is out of focus, the focus is shifted forward.
    Absolutely the same on 1000d.
    When focusing through the screen, history repeats itself.
    I can't imagine what the problem could be.
    -
    On the nex-c3, the same lens behaves correctly; in focus is exactly what it was focused on.

    Reply

    • Rodion
      23.05.2024

      Yes, it cannot be that “through the screen” history is repeating itself at 450d.
      Through JVI - easily. Do “focus bracketing.”

      Reply

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