Sigma 24-105mm f4 OS Art review
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The 24-105mm f4 OS is Sigma’s second full-frame lens in its Art-series which (quote Sigma) “offers sophisticated optical performance and abundant expressive power to deliver faithfully on your artistic vision”. Blimey. The first full-frame Art lens was the 35mm f1.4 DG HSM which put in some astonishing performance in the corners of the full-frame sensor…
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