Sigmas 17-70mm F2.8-4.5 DC Macro is the practical zoom! A large-aperture, standard zoom lens for digital cameras with an open-aperture value of F2.8 (at 17mm) and covers the most frequently used focal lengths. With an aperture fast enough to be used in many light situations, its close focusing for use with very small object and its outstanding optical performance make this is an ideal all-around lens for landscapes, portraits, still life studies, group shots and just about any everyday photo situation. With a faster aperture than the typical camera kit lens it is an excellent choice for the photographer who has higher expectations for their photo equipment.
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Comments about Sigma Sigma 17-70mm f/2.8-4.5 DC Macro Standard Zoom Lens F/Sony:
A great product for general usage as primary lens.