Canon EF 28-70mm f/2.8L lens

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The Canon EF 28-70mm f/2.8L was an EF mount wide-to-normal zoom lens made by Canon from 1993 to 2002.

Among zoom lenses, it is known for excellent contrast, color rendition and sharpness, and it is widely considered to be one of the finest wide-to-normal zoom lenses ever produced. Like other zoom lenses, it exhibits some barrel distortion at the wide end of its range.

A unique aspect of the 28-70mm f/2.8L (and 24-70mm f/2.8L) is that its barrel extends as it zooms toward its shortest focal length. When used with the supplied 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.

The 28-70mm f/2.8L was discontinued in 2002 and replaced by the 24-70mm f/2.8L.