Reviews and Problems with Sigma 10-20mm F3.5 EX DC HSM
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10 February 2010
Conclusion: This Sigma wide-angle comes in at a very reasonable price for what it is and for its features. It's also available for plenty of lens mounts. This lens is considered by some photographers as the benchmark for APS-C wide-angles, though our tests suggest this may not now be the case. But with very little distortion this remains an attractive lens, especially for the price.