Introduction Features and specificationsCanon’s EF 28mm f2.8 IS USM is a prime lens with 9 elements in 7 groups. It is compact and lightweight, just 51.5mm long and weighing 260g. The image stabilization is rated at 4 stops (by Canon) so the maximum aperture of f2.8 is not likely to be too much of a problem. Autofocus is carried out by one of Canon’s excellent USM motors. 28mm is a good focal length for landscape, architectural, reportage and various other genres of photography. Designed to cover the full frame 35mm format the lens has an equivalent
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