@garystark You've got more long-term Sigma experience than me. Please write a review for your Sigma 30mm: http://www.photographyreview.com/writeareviewcrx.aspx …
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@garystark You've got more long-term Sigma experience than me. Please write a review for your Sigma 30mm: http://www.photographyreview.com/writeareviewcrx.aspx …