Manufacturer’s Description

The Sigma 120-300mm f/2.8 EX DG OS APO HSM AF Lens (For Canon) provides a large constant f/2.8 maximum aperture at all focal lengths. In essence, it transforms a large-aperture 300mm f/2.8 lens into a zoom lens that allows you to determine the picture composition without having to change your vantage point. Optical image stabilization facilitates hand-held photography by allowing you to shoot at shutter speeds 4 stops slower than without the stabilization.

The Specs

Quick Glance

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