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Helios lens

Lens MC Telear-5B review

Telear-5 is a telephoto lens for medium format cameras such as Kiev-6S, Kiev-60, Salut and Kiev-88.
Telear-5 was produced with two types of mounts - for bayonet B (for cameras Kiev-6C and -60) and B (for cameras Salut and Kiev-88).

Today Telear-5 is relatively rare. Moreover, according to my subjective observations, the version with the B mount comes across less often.


I know of only two Soviet lenses based on the Telear optical scheme. The first one is Telear-N 3.5 / 200 for Kiev devices with an H mount, the second is the hero of the Telear-5B 5.6 / 250 review for Kiev medium format cameras.

The history of the scheme, as well as why only Arsenal used it, is unknown to me.

To the user of the medium format, Telear-5 gave a picture equivalent to 135 mm in a full frame. If it is not very clear what I mean, see the article on crops.

In the review, the lens with the B mount, produced at the Kiev plant Arsenal in 1992 with the number 921109.

Optical design:


  • Focal length: 250mm
  • Field of view: 18 °
  • Frame size: 60 × 60 mm
  • Number of lenses / groups: 5/5
  • Working distance - 74.1 mm


  • Aperture ratio: 1: 5.6
  • Aperture scale limits: 1: 5.6-1: 32
  • Aperture blades - 6
  • Aperture adjustment - "Blinking"
  • Near focusing limit - 2.5 m
  • Resolution (center / edge) - 55/40 lines / mm.

Connections:
  • lens with camera - Bayonet B
  • Filter Mount Location: Front

  • Weight - 734 grams

Telear-5B is a very long and weighty lens.


The shape is cylindrical.

The lens has a multi-layer greenish-violet coating.

The name is written in Latin, but the letter "B" denoting the type of bayonet is written, as always in Soviet practice, in Cyrillic.

Therefore, the whole name looks like MS TELEAR-5B. This kind of confusion is sometimes found on other lenses as well. This particular lens is often referred to as TELEAR-56. Focusing only on the inscription, it really reads exactly as "56".

The focusing ring is very wide with a comfortable groove made of rubber-like material.

The full stroke of the helicoid is slightly less than 180 degrees. The ring moves smoothly.

The diaphragm control ring is closest to the device.

The diaphragms switch with clear clicks and with stops in the main and intermediate positions.


There are 6 aperture blades, they are gray and rather shiny.

Telear-5B has a blinking diaphragm and it can be automatically closed, of course, only on the appropriate camera - Kiev-60, for example.

However, the design of the diaphragm drive is successful in that to close it to the operating value, the pusher does not need to be pressed, but, on the contrary, released.

On the Kiev-60, during framing, the pusher is pressed all the time, and the diaphragm is open at the same time. When the release button is pressed, the pusher is released and the diaphragm is closed to the operating value.

Thanks to this feature, the lens, being put on through an adapter on modern devices, without any problems allows you to control the aperture in manual mode. The pusher is never pressed and therefore the diaphragm is always closed to the working value, which can be changed by turning the ring.
I will note the aperture limit f32.

Should I look for Telear-5B on a modern DSLR?

No, I think not worth it.

AF of 250mm is a very specific focal length. The lens is sharpened for shooting distant objects.

And why do you need it with a manual lens?

Even if you suddenly really need to shoot with zoom, then 250 mm is not that much. Tair-3 will offer inexpensive 300 mm, and MTO series - from 500.



For a portrait shot, 250mm is a bit too much for my taste. Yes, the background is blurred a lot. But you need to go very far from the model, this is not always possible.

For creative shooting, MDF is not always suitable as much as 2.5 meters. Not every little thing can be taken large.

The lens is dark - open at f5.6. At the same time, this instance is a little soft. I don't know if this can be attributed to the whole model.

My 28-300 3.5-5.6 at 250 mm puts exactly the same f5.6. There is no advantage in aperture on the part of Telear-5B.

Moreover, if someone thinks that at f5.6 one can comfortably shoot distant objects, then this is not so.

Long-focus lenses have a very narrow DOF. F5.6, which in normal lenses is considered already "covered", and with a focus, for example, at 20 meters, - provides the far border of depth of field in the region of infinity. Under the same conditions, Telear-5B will have a distant border at about 30 meters.

This is according to the Soviet jackals GRIP. Still stricter on digital.

And here is the calculation with a modern DOF calculator. HFR at F32 (that's why it is needed) is obtained with a focus of 65 meters.

In general, everything is not easy. Although, this is not a particular lens problem, but all telephoto lenses.

In all fairness, the following should be noted.

FR of 200-300 mm not all standard zooms offer, and if you really need to shoot with close-up, then the version of the Soviet long-focus lens is a normal option. Much cheaper than buying something modern.

Telear-5B (not -5V) - will fit on many digital cameras without any problems. In particular, Nikon DSLRs.


There is, however, a more affordable option - Tair-3A 4.5 / 300. It is both faster and closer. There is also a medium format lens - Jupiter-36B 3.5 / 250. Even more luminous with a similar phased array.

And one more advantage behind these lenses is that they are good as a weapon of self-defense.

It's hard to shoot with them. But Telear-5B - it is no larger than my 28-300 in the position of 250.

As for the low aperture, f5.6 is, in principle, enough for focusing. And for the picture, it will still most likely need to be pressed down to f8 or even more.

Examples of photos:








Source fotoussr.ru
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