Tair-41 50/2 (LZOS). Review of the filming lens from the reader Radozhiva

View of the TAIR-41 2/50 lens (LZOS), examples of photos from it, and the review itself specifically for Radozhiva, prepared Rodion Eshmakov.

Tair-41M on Sony NEX-3C *

Tair-41M on Sony NEX-3C *

Thanks to the ability to temporarily use this camera, this review appeared.

Characteristics Tair-41

Optical design: 4 elements in 3 groups (Tair, see); * The error is obvious in the diagram - the rear segment of the lens is never 50 mm, but about 25 at all.
Field of view angle (16 mm film): 15 degrees;
Diaphragm design: multi-petal, blackened, non-preset, without ratchet;
Mounting to the camera: M32 * 0.5, working length 31 mm;
MDF: 0.7 m.
Native format: 16 mm film, covers the frame up to APS-C.

Design and adaptation features

Tair-41 50/2 - this is not an ordinary fifty dollars! This is not even the equivalent of an 85mm lens, like the Zenitar 50 / 1.2 for APS-C. This is a real TV set, only for 16 mm movie cameras, with an angle of 15 degrees. All the other features of the lens follow from this.

Tair-41, like most movie lenses, can not be installed on SLR cameras - there will not be enough rear segment. Therefore, it was decided to adapt it to the M39 thread for mirrorless cameras.

Tair-41 already has everything you need to use: a focuser, a lens unit with a beautiful aperture:

Aperture Tair-41

Aperture Tair-41

This lens only needs to replace the shank with a more common one.
To do this, everything that is behind is cut out at the lens, only parts of the helicoid can be spared. It is necessary to remove the rear lens aperture of the lens. The hood in the front can, as it turned out, not be removed.
Further to the remnants of the helicoid, a part with an M39 thread from I-26M / I-61 is simply attached - ready!

Converted Tair-41

Converted Tair-41

As a result of alteration, the stroke of the helicoid is increased (stoppers removed), providing an MDF of about 40 cm.
The construct of Tair-41 is convenient enough for adaptation, of the additional parts you only need the right shank.

Optical properties Tair-41

When I ordered this infrequent lens, I, of course, assumed that it would behave unpredictably, but so ...

Only MFT covers the lens more or less qualitatively, APS-C covers with a vignette and, most importantly, with invincible distortions at the edges of the frame. In fact, on the APS-C, only the central part is more or less sharp.

The lens has low sharpness at F / 2 due to software, at F / 2.8 the lens becomes noticeably sharper and more pleasant, at F / 4 you can see quite decent sharpness in the center. On F / 8-F / 11, the lens is very sharp ~ within the MFT frame.

On SLR cameras it works only in macro mode, as a macro lens is quite interesting for its design. Aperture required:

F / 2

F / 2

F / 2.8

F / 2.8

F / 5.6

F / 5.6

They are even interested in shooting in the F / 2.8-F / 8 aperture range even on the CZC - the lens has its own character:

On mirrorless cameras Tair-41 can be used fully. This reveals more features of the lens.
For example, it turned out that Tair-41 significantly distorts (pillow) on the APS-C. In fact, in the scheme there are no parameters correcting distortion (according to Volosov).

Distortion Tair-41

Distortion Tair-41

As already mentioned, Tair-41 has very bad edges even with closed diaphragms:

F / 8

F / 8

It’s just better not to talk about the edges openly - they are not on the APS-C.

In general, the diaphragm saves if you need sharpness at least in the center. Aperture to F / 2.8, you can get a more or less acceptable sharpness / picture ratio.

Here are some series of photos showing the effect of aperture:

F / 2

F / 2

F / 2.8

F / 2.8

F / 4

F / 4

F / 2

F / 2

F / 2.8

F / 2.8

F / 4

F / 4

F / 2

F / 2

F / 2.8

F / 2.8

Due to the work "at the limit of possibilities" on the APS-C, artifacts such as tailed lemons in the bokeh and just tails appear. It does not look aesthetically pleasing, therefore it is better to crop the frame to crop 2 (MFT). Although it is possible to pass it off as a feature, as monoclay lovers do.

Occasionally, chromatism can be seen in the pictures. But coma, astigmatism and spherical aberrations are more affected.

Tair-41 is not very resistant to backlight - contrast is lost, sometimes bright lens flare appears.

In general, the picture on the lens is often quite good and interesting, especially at F / 2.8. But the fact is obvious that on APS-C this lens makes little sense to apply.

Photos without processing, camera JPEG.

Other movie projection and movie shooting reviews:

  1. RO3-3M 2/50
  2. PO 500-1 F9 CM. 1: 2 P (review from the reader)
  3. 2/92
  4. F = 92 1: 2
  5. ОКП-6-70-1 F=70 1:1,8
  6. LOMO RO501-1 F = 100 1: 2 (+ materials from the reader)
  7. LOMO RO500-1 F = 90 1: 2
  8. 16KP-1,4 / 65 (review from the reader)
  9. 35KP-1,8 / 70
  10. 35KP-1,8 / 75 (review from the reader)
  11. 35KP-1,8 / 85
  12. 35KP-1.8 / 120 (review from the reader)
  13. 35KP-1.8 / 100 (review from the reader)
  14. LOMO P-5 F = 100 1: 2 (review from the reader)
  15. ЛОМО ОКС1-40-1 40/2.5 (review from the reader)
  16. LOMO J-53 F = 75 1: 2 (review from the reader)
  17. LOMO OKS1-300-1 F = 300 1: 3.5 (review from the reader)
  18. Tair-41 50/2 (review from the reader)
  19. KO-120 1: 2,1 120mm
  20. KO-90 1: 1,9 F = 9cm (review from the reader)
  21. KO-120M 1: 1.8 F = 120mm (review from the reader)
  22. KO-120M 120 / 1.8 with a diaphragm and helicoid(review from the reader)
  23. LENKINAP RO500-1 F = 9cm 1: 2 P (review from the reader)
  24. Schneider Super Cinelux 70/2 (review from the reader)

The names of the lenses correspond to their exact spelling on the body.

Conclusions

Tair-41 is an unusual lens that has “tasty” characteristics for its design. Unfortunately, the lens is not intended for a frame larger than the frame of the Micro Four Thirds system (but in fact, than 16 mm Super), on APS-C its use is limited by strong distortions at the edge of the frame. The lens can be recommended as a "spectacular" (software, strong torsion, "monoklevo" along the edge - in this he excels) and portrait for mirrorless cameras.
I liked the lens precisely because of its unusualness in all respects, I will leave it to myself until better times.

Thank you for attention! Eshmakov Rodion.

You will find more reviews from readers of Radozhiva here.

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Comments: 40, on the topic: Tair-41 50/2 (LZOS). Review of the filming lens from the reader Radozhiva

  • Sergei

    Very interesting, I myself wanted to cut something off ... thanks for the review ...?

  • Pastor

    The handy Rodion again pleased with an unusual lens :) It's time to introduce a separate section devoted to his alterations. The lens is interesting. It’s a pity the SLR only as macro goes. It would be nice to look at ff for how terrible the vignette would be. Well, immediately Helios 40 is remembered with sharpness only in the center and torsion :)

    • Rodion

      FF definitely will not pull. Absolutely. There will be a circle.

      • Alex

        Covers even 6x9cm, and it turns out a very unusual picture, such a fisheye inside out :)
        I got it without aperture blades and not a single screw.
        I twisted everything from it, the rear lens is not covered by anything. Here is this element, because of which the rear lens seems to be at the bottom of the well, and limits the field within reasonable limits. I inserted it into the body of the camera with a 6x9 cassette, shot it on paper. Covers even at infinity. There is a drop in lighting towards the edges. And of course, there should be nothing “valuable” outside the full frame.
        And as it is, I used it on Nikon 1. super.

    • Rodion

      IMHO, the lens would be great to make friends with Panas with EVI or Sony A7 in crop mode.
      With pleasure I would shoot them again)

  • anonym

    > not intended for shots larger than Micro Four Thirds (actually 16mm Super)

    Then they would have put on Nikon 1 - there is just a frame approximately like on Super-16 film.

    • Rodion

      Well, give me nikon 1 - I'll test for nikon 1)))

  • Ilyas

    Monocle for BZ?!)

    • Rodion

      Already on the BZK, the monocle can be made up of anything and everything.

  • Artem

    Pretty boy:)

  • lolov1ch

    Thanks Rodion. I enjoyed reading and looking at the photos. It was interesting to look at the photo, with a CPL filter, no matter how much the difference

    • Rodion

      Oh, it would be where to wind it)
      There is some kind of thread there, but it is not clear which one.

      • lolov1ch

        Yes, it is not necessary to screw it, you can just bring it to the lens in your hand :)

  • Alex

    I understand pampered by this on digital cameras, but I can’t imagine how to make a movie with this?
    What crap at the exit turned out especially on open diaphragms.
    Although I assume that it was used in amateur filming, such as on 8 or 16 mm movie cameras.

    • Rodion

      It really wasn’t really a movie to shoot, apparently. But it is worth noting that the frame area of ​​16 mm is much smaller than that of the APS-C, i.e. only the more or less sharp center of the frame works.

  • Michael

    Rodion, thanks for the wonderful review! In the text, you noted that having covered completely covers an area of ​​16mm film strip. Therefore, on a test for the camera BMPCC acquired the entire set of lenses from Kiev 16u. The picture is wonderful, especially Tahir 41. The only problem with my kit is that the lenses are greasy and focusing requires too much effort. I wanted to ask if you know how to lubricate Tair 41 (well, at the same time Vega 7 and World 11)? How dangerous is this for alignment? I would be very grateful for the advice or disassembly scheme!

    • Rodion

      You can disassemble them, however, I do not remember how. It seems to be done from the “tail” of the lens. It has a single lens unit housing with an internal part of the helicoid and diaphragm.
      Therefore, it is necessary to remove the tail, remove the stoppers and completely unscrew the “nut” of the helicoid, which is then cleaned and lubricated. The main thing is to remember the start of the thread, otherwise it is not a fact that you will correctly assemble it the first time.
      This operation will not harm the optics - the lens unit is reliably protected and cannot be disassembled along the way.

  • Baida

    Tair-41 50/2 on f2

    • Dmitriy

      Bokeh not to be confused with other

  • Baida

    Tair-41 50/2 is still on f2

  • Baida

    Tair-41 50/2 and f2 more

  • Baida

    Tair-41 50/2 again f2

  • Baida

    Tair-41 50/2 again on
    f2

  • Baida

    Tair-41 50/2 on f2 NEX-5

  • Baida

    I really liked the lens! I always shot it in the open, sharpness and drawing are good, and I personally liked all of its distortions, and not just me.

    • Rodion

      Photos laid out cropped?

      • Baida

        No, I cut very rarely, only in extreme cases.

  • Dmitriy

    The lens with an incredible pattern and bokeh, and on the covered one, is also perfectly sharp with another interesting pattern. I bought a converted M39 expensive, but I do not regret

  • Dmitriy

    Similar stories generally look inimitable

  • Dmitriy

    But you need to learn to work with him - it is peculiar

  • Dmitriy

    On micra gives light vignette and only in cover

  • Valera

    To whom is it to sell? Fly on, bid !!!

  • Nikita

    Rodion, do you happen to sell it?)

    • Rodion

      I sell for an hour

      • Tarasrebel

        Good time Rodion, Please tell me the Tair 41m and Vega 7-1 lenses will vignette on the PANASONIC GH3 ???

        • Rodion

          Vega will definitely be - you have to shoot in 1: 1 aspect ratio. Tair will not give a strong vignette.

        • Dmitriy

          I don't recommend bothering with Vega-7 - a disgustingly unsuccessful lens. One cannot even compare with Tair-41. Tair-41 is generally unique and cannot be confused with anything in character. On the micro, I shoot almost only with them. There is a slight vignette on the mic, but not at all critical. The only thing is to install a good hood - it helps a lot in protection against counter.

    • Glory

      I sell the lens very cheaply ..

  • Glory

    No one needs a Tair-41 2/50 lens? Sell ​​cheap !!!

    • Andrei

      It’s clear that it’s cheap. Who needs it expensively?

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