Reviews and Problems with Sigma 12-24mm F4.5-5.6 II DG HSM
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29 February 2012
Excerpt: The Sigma 12-24mm HSM II sits at the widest end of Sigma's DG lens range and is designed for full-frame cameras, though it will fit APS-C D-SLRs, too (with a 1.5x or 1.6x crop factor taken into account it's equivalent to a 18-36mm or 19.2-38.4mm lens). Despite its super-wide 12mm focal length this isn't a fisheye but a rectilinear lens (real to life reproduction, as free from distortion as possible) that gives a whopping 1220 angle of view, making it a great lens when...