![]() Practically all kits can make use of a lens covering this range.Ī 24-70mm lens is an essential part of many landscape and cityscape photography kits.Īt the 24mm end, this lens provides a very wide angle of view, able to simply take in a vast scene (27mm is featured above at Emerald Lake, Rocky Mountain National Park) and/or to show a strong perspective, creating a sense of presence in an image (27mm also used below at Alluvial Fan Falls, Rocky Mountain NP). The good news about the 24-70mm focal length range, considered "normal" and covering angles of view ranging from wide angle through short telephoto, is the great general purpose usefulness it has. Of utmost importance in lens selection is acquiring the right focal length or, in the case of a zoom lens, the right range of focal lengths that cover your needs.įocal length is especially important in that it drives focus distance choices, which in turn determine perspective for the desired composition. There is a reason that the focal length or focal length range is included in the product name of every DSLR lens produced today. ![]() The Sigma 24-70mm f/2.8 DG OS HSM Art Lens brings the "Global Vision" treatment to Sigma's version of this highly popular lens model. Sigma's "It’s Here to Steal the Spotlight" statement didn't hurt either. It is always exciting to bring in a new Sigma Art lens and covering the normal, most-commonly-used focal length range with an f/2.8 aperture combined with optical stabilization definitely raised the anticipation level for this one.
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