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Sigma 100-400mm f5-6.3 OS review
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The Sigma 100-400mm f5-6.3 OS is one of the smallest, lightest and most affordable long telephoto zooms around. Corrected for full-frame bodies, it’s available in Canon, Nikon and Sigma DSLR mounts and works on Sony mirrorless with the MC-11 adapter. In his in-depth review, Thomas finds out how it compares against rivals that are generally more expensive.…

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Sigma 135mm f1.8 Art review
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The Sigma 135mm f1.8 ART is a mid-length telephoto lens with a bright aperture, available in Canon, Nikon or Sigma mounts. It’s corrected for full-frame DSLRs and works on Sony’s mirrorless bodies with an adapter. Find out why Thomas reckons it’s Sigma’s best ART lens to date in his in-depth review – one of the first published!…

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Sigma 12-24mm f4 Art review
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The new Sigma Art AF 12-24/4.0 DG HSM is a worthy successor to Sigma’s AF 12-24mm 4.5-5.6 II DG HSM model from 2011. Optical performance is very good and other aspects of the lens are also improved: The focal ratio is now a constant f4.0, AF is faster, and you get compatibility with Sigma’s USB dock to fine tune…

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Sigma 85mm f1.4 Art review
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The Sigma 85mm f1.5 Art is a short telephoto prime lens designed for full-frame bodies and available in Canon EF, Nikon and Sigma mounts. It’s a highly anticipated update to the previous 85mm f1.4 from Sigma and anyone following the Art series won’t be disappointed as Thomas declares it the best 85mm f1.4 with autofocus he’s tested!…

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Sigma 20mm f1.4 Art review
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The Sigma 20mm f1.4 DG HSM Art is a one-of-a-kind lens: It simply is the widest full-frame f1.4 lens around and it also delivers very good image quality. As such the new Sigma is a very compelling addition to the catalogue of large aperture wide-angle lenses. Add Sigma’s build-quality of the “Art” series and the…

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Sigma 24mm f1.4 Art review
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The Sigma 24mm f1.4 DG HSM Art is a very compelling addition to large aperture wide-angle lenses: it combines very good performance overall with Sigma’s build-quality of the “Art” series. In optical performance this lens has only two flaws: It has some field curvature and a dip in resolution at the DX-corner but that does…

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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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