Английская Википедия:Canon EF 28-70mm lens

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Шаблон:Short description Шаблон:Use mdy dates Шаблон:Infobox photographic lens The Canon EF 28–70mm Шаблон:F/2.8L USM is an EF mount wide-to-normal zoom lens made by Canon from 1993 to 2002. It was replaced by the [[Canon EF 24–70mm lens|24–70mm Шаблон:F/2.8L USM]].

Among standard zoom lenses, it is known for very good contrast and sharpness and for its extremely low chromatic aberration and barrel distortion.[1] It has a metal body and neutral color rendition.Шаблон:Cn Although discontinued since 2002 it is still a high ranking lens according to DxOMark among Canon zoom lenses and other standard zoom lenses. Like many other zoom lenses, it exhibits some barrel distortion at the wide end of its range.

A unique aspect of the 28–70mm Шаблон:F/2.8L USM (and 24–70mm Шаблон:F/2.8L USM) is that its barrel extends as it zooms toward its shortest focal length. When used with the supplied "petaled" lens hood, which attaches to a non-moving part of the lens, this extension results in a properly matched shade at every angle of view. Most zoom lens hoods are designed for only the widest angle of view, offering progressively inadequate shade at longer focal lengths.

Canon Standard Zoom Series

References

Шаблон:Reflist

Шаблон:Canon EF lenses


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