Helios-81 50 mm f/ 2 Lens

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Pictures

Optical design

Format: 35mm SLR

Type: Prime lens

Focusing: Manual Focus (MF)

Lens mounts: M42, Nikon F (FX, DX)

Optical design: 6 elements in 4 groups (planar)

User reviews (6)

Photos (12)

Tests (0)

Owners (26)

Views (44870)

Average price: $15

Specifications:

Focal length	Max. aperture	Min. aperture	Blades	Min. Focus (m.)	Filter Ø (mm.)	Weight (gr/oz)	Length (mm/in)
50mm	f/2.0	f/16	6	0.5	52	240/8,5	48/1,9

Additional information:

The Helios-81 50 mm f/ 2 (Russian: "Гелиос") is a Kit lens for a 35mm SLR camera Kiev (Nikon F mount) and with М42 screw mount. Versions with the single and multicoating (MC) existed.

This lens was being manufactured by an "Arsenal" factory in different modifications: Helios-81-avtomat, Helios-81M, Helios-81N (russian letter looks like "H"). Later version was named ARSAT-H 50 mm f/2.

Also there was released sample quantity of Helios-81 52 mm f/2 at KMZ factory with a 12-blade diaphragm and minimum focusing distance 0.4 m.

Personally, i have seen Helios-81H in two modifications. It is interesting that a focal length differs in a short range if you inspect lens labeling for several samples.

This lens has a "swirly bokeh" (background looks like being twisted) but such effect is lighter than with Helios-40 or Helios-44.

According to D.Volosov (russian famous optics specialist) resolution of this lens is (center/10mm/20mm): 52, 37, 27 lp/mm.

Links to online resources:

The review on photohistory.ru

Posted by: DevilDreams Date of publication: 17.01.2011

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Photos taken with this lens Helios-81 50 mm f/ 2:

All photos

Helios-81 50/2
Autor: Harkovsky

8617

MC HELIOS-81H 2/50
Autor: Harkovsky

7729

MC HELIOS-81H 2/50
Autor: Harkovsky

5205

MC HELIOS-81H 2/50
Autor: Harkovsky

4997

Mechanical quality	4.50	18
Optical quality	4.37	17
Usability	3.68	18
Pricing / Value	4.77	17
Bokeh	4.27	18
Overall lens rating	4.32

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Owner reviews: Helios-81 50 mm f/ 2

ProfHankD 06.01.2016 07:41:10

Period of use: 36 months

Strengths:

Good USSR IQ -- it has the USSR glass look. In fact, color match between my old USSR lenses is surprisingly good. Really tiny (in Kiev 10/15 mount).

Weaknesses:

Build is solid, but a little coarse.

Comments:

Mine is in Kiev 10/15 mount, used on Sony E bodies via a 3D printed adapter.

Comments (0)

	Helios-81 2/50mm Automat Russian USSR planar lens fit Kiev-10,15 bayonet Arsenal Price: 35$. (~0.44$) Seller: SharkDD Reputation: 11 (11/~0/0)