Very good to excellent MC Helios-81N 50mm f/2, s/n 9226941


Nikon mount full frame Helios lens – needs no adapters for Nikon DSLR!

Multi coated lens, cover full frame or 35mm film

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Soviet multi coated HELIOS-81H 50mm f/2, Nikon mount full frame lens


This is THE HELIOS lens for NIKON users – allows infinity focus without any adapters!


Very compact standard lens, sharp and contrasty even wide open at f/2.0.

Nikon mount is a way these lenses were made, to fit Kiev-17, 18 and 19 – SLR cameras that have nikon F bayonet.

So for modern Nikon DSLR you need no adapter – just mount it as you would any Nikon manual focus lens with no problems – APS-C or full frame(no limitations).


Based on double-gauss design MC Helios-81N is derivative from Zeiss Biotar, which means in the right condition it will have slight swirls in the background.



MC Helios-81N is one of the best standard 50mm Soviet lenses, which gives an excellent sharpness even at full aperture F2.0. Its interesting bokeh with twisting cyrcles. When using on modern digital-SLR cameras with crop factor, it’s perfectly suitable for shooting portraits. MC Helios-81N without any alterations almost always be able to establish themselves on camera Nikon. And its price is just perfect for the quality of the image.”

Helios-81N fix lens comparing to kit zoom lenses

MC Helios-81N is a vintage soviet fixed focal length(prime) lens, in high demand nowadays for their fast aperture(f/2), which opens up a world of possibilities for photographer – selective focusing, low light photography; for their ability to be mounted on various camera systems via affordable and easily available adapters. It is especially useful for Nikon (D)SLR shooters.

HELIOS-81N comparing to Helios-44 series

If you are Nikon user then the native Nikon mount H-81N has obvious advantage from the start – it’s native mount means that you do not need adapter and (very importantly) you’ll be able to focus and compose with open aperture, maintaining bright image in your viewfinder.
On the contrary, if you use H-44 + adapter  you will have to work in “stop down” mode – this means your viewfinder will turn darker unless you shoot wide open.

Bokeh and sharpness will differ as well, this will depend which version of Helios-44 you compare it to: in general earlier Helioses-44 will have more “vintagy” character, will be less sharp but will have nicer bokeh due to more blades in aperture

Focal length: 50 mmhelios-81 lens
Aperture range: F2-F16
Lens mount: Nikon F
Number of diaphragm blades: 6
Minimum focusing distance: 0.5 m
Weight: 240 g
The optical scheme: 6 elements in 4 groups
Diameter of front filter: 52 mm or 49mm
(depends on the version)

On Nikon (D)SLR this lens will work just like Nikon’s own AI(s) series of lenses – image covers full frame(film) and works well on both full frame(FX) and cropped(APS-C) Nikons – with manual focusin of course.

Adapters will be required to use this lens on other modern cameras:

NEX adapter – for Sony NEX E mount cameras
Fuji X adapter – for FujiFilm X-mount cameras
Micro 4/3 adapter – for Panasonic G, Olympus Pen etc

MC Helios-81N is one of the best soviet standard lenses –

obvious choice for Nikon SLR shooters.

In the right conditions, textured background swirls slightly.

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The lens s/n 9226941 is in very good to excellent condition!

Lens barrel has few visible signs of normal use/age on lens barrel.

Glass is clean and clear – has no fungus, no haze, no scratches.

Quite a few internal dust particles are present, but will not have any effect on photos.

Mechanics are excellent – focus is smooth and uniform.

Aperture blades are free from oil.


Comes with both front and rear lens caps.

Optics:  ★★★★

Mechanics:  ★★★★

Appearance: ★★★

Overall:  ★★★★

Payment options are:
– BDO deposit
– PayPal(credit cards)
– bitcoin


We guarantee that the item in this ad looks and works as advertised and offer money back guarantee on this.