24-70mm F2.8 DG OS HSM | Art Mount:Canon EF-Mount 6 effective megapixels and a

6 effective megapixels and a full-time electronic shutter

Zoom lock switch that fixes the zoom ring at the widest end

and releasing the shutter from a distance

The Sigma EF-630 Flash system is the latest in DSLR flashes from Sigma

24-70mm F2.8 DG OS HSM | Art Mount:Canon EF-Mount 6 effective megapixels and aA highly usable zoom range w a rugged metal barrel and optical stabilization for in hand shooting. The Sigma 24 70mm F2. 8 DG HSM OS Art is a premium workhorse zoom lens designed for the latest high megapixel DSLRs. A constant aperture of 2. 8 through the zoom range makes this a highly versatile tool and a brand new Optical Stabilization (OS) system helps compensate for camera shake. Though a common focal length, the Sigma 24 70mm Art brings a new