The smooth movement of the aperture ring is useful when shooting video. Unlike the preset ring, the aperture setting ring rotates smoothly and can be used to set any intermediate value. It allows you to select one of the fixed values: F / 2, 2.8, 4, 5.6, 8, 11, 16. MS Helios 44-3 2/58 has a ring presets diaphragm. Focusing occurs by moving the entire lens block. During focusing, the front retractable body does not rotate. The focus ring is metal, not rubberized, rotates approximately 270 degrees, the stroke of the ring is smooth.
the focus ring is too close to the mount, it is not always convenient to work, especially when used on some modern cameras, for example, equipped with a battery grip.Some Western users may complain about this. For Soviet lenses, a characteristic feature is the presence of a focus distance scale only in meters (metric system).at F / 4-F / 16 values, the aperture blades form an insufficiently round hole.This trouble will be described in detail below and it relates more to adapters / adapters than to lens flaws focus ring design poorly compatible with adapters.Although, for that time, I do not know any similar lens with a bayonet type hood the lens hood is screwed into the thread of the front light filter, and is not installed in the bayonet grooves, as in modern lenses.micro-play of the aperture setting ring, but this does not affect the performance or usability of the lens.aperture blades are not blackened, which adversely affects image contrast on covered apertures.the chamfers of the lenses are not blacked out, which adversely affects the contrast of the image.MC Helios 44-3 2/58 is well built, but from the obvious shortcomings I can note the following: USSR, made at the Vologda Optical and Mechanical Plant Screwed into the front filter, marking of the original hood not found.
The aperture can be adjusted smoothly, without clicks.
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