A Soviet high-aperture telephoto lens Helios 40 1.5 / 85 with a single layer coating for cameras with an M42 connection thread (Zenith type SLR cameras). An early silver version .. Made at the Krasnogorsk Mechanical Plant in 1957 (approximately). № 024937.
As judged by number - one of early. Much rumours goes about "zero" lenses, but is considered that they better usual.
Helios-40 is a modification of the Carl Zeiss Jena Biotar 1.5 / 75 lens. The optical design is the same - 6 lenses in 4 groups. In the lens construction, almost everything is made of metal and glass, excellent build quality. The lens has a very fast aperture for this focal length, which is very suitable for shooting in low light. The main feature of the lens is the unique pattern with "swirling" bokeh. Sharpness and color rendition are great! It turns out very beautiful, artistic pictures. (see photo examples). Masterpieces for such a technique are guaranteed!
The Condition: Much tired (refer to photo). The Optics rather clean unless it be supervised under microscope. There is small double blow On back lens, will hardly influence upon picture (has done the test - can be shown dieresis on bright light spot). The Same test did on f/2.0, f/2.8, f/4.0, f/5.6, f/8.0 - all fine, cutting with f/2.0 already. The Picture exclusive - a sharpness, volume, contrast, colour.
Funkcional:Focusing goes a little tight, but be focused well possible. Preliminary installing the diaphragm works fine, but ring of the closing from open before installed little loafs that absolutely does not disturb him to use. MountM39is replaced on M42, 10 blades iris.
Completeness:Anteroom lid modern, back on M42 (not uniting), homemade connecting ring M66/M72 for filter and hood.
The Photo are made with original.
Otvechu on any questions. Can send the checking picture, made on this lens and camera Canon 5D Mark II.
Picture possible to look at http://lens-club.ru/gallery/lens/c_4290.html - there is picture concretely from this lens (see to drooped Veerd)
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Detailed description of the lens along with owner reviews from allphotolenses.com.
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Translations "Золотая Корона", "Колибри", "Юнистрим", " Western Union", "Блиц" – Kazakhstan, t. Ust-Kamenogorsk, Andreyev Vladimir Ivanovich, PIN 590222301889, tel. +7 777 993 7021