Digital cameras have come a long way, published since the first models of consumers were once again in 1994. They were once believed that the reserve of specialist craftsmen, such as photojournalists, but now they can find in the hands of people around the world.

Many photographers will agree with me that Canon is the most comprehensive digital camera system in their offer EOS SLR range. This includes the digital camera is one-units themselves, and a wide selection of lenses and otherAccessories. The Canon EOS SLR cameras have been proven in the field and are favored by professional photographers and everyday life alike.

Canon has undoubtedly the largest selection of compatible lenses, with both a large selection of official Canon lenses and the many compatible 3rd-party offerings such as the lens of Sigma Imaging. One of the new comers to this extensive lens range is the Sigma EX telephoto zoom lens for Canon DSLRCameras, which has a maximum zoom 1:8.6 using a state-of-the-art optical design developed specifically for the EOS cameras.

The Sigma EX telephoto zoom lens for Canon has a focal length of 120-300mm, and Sigma has packed it in a solid casing, does not change the shape during focusing or zooming. This makes the lens easy to use and offers a maximum aperture of F2.8 at all focal lengths. The lens is designed with a built-in tripod mount that fits your balanceSetup and create an ergonomically complete package, a joy to work.

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