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Author archives: Thomas

Sigma 24-70mm f2.8 OS Art review
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The Sigma 24-70mm f2.8 OS Art is a standard zoom for full-frame DSLRs, available in Canon, Nikon and Sigma mounts. It upgrades its decade-old predecessor with ART-level optics and stabilisation. Find out if it’s a worthy addition to the ART series in Thomas’s review!…

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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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Tamron TC-X14 / TC-X20 teleconverter review
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With their second generation telephoto zooms Tamron also offers two new 1.4x and 2x teleconverters (dubbed TC-X14 and TC-X20) which are specifically designed to work with the SP 70-200/2.8 VC G2 and the SP 150-600/5.0-6.3 VC G2. I had the chance to extensively test the Tamron SP 70-200/2.8 VC G2 (model A025) with the TC-X14 and…

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Tamron 70-200mm f2.8 VC G2 review
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Tamron’s SP 70-200mm f2.8 Di VC USD G2 is a 2.9x telephoto full-frame zoom available in Canon and Nikon DSLR mounts. It’s the second generation (A025) model with closer focusing, improved AF and stabilisation, and compatibility with Tamron’s USB “TAP-in” console. In his review-in-progress, Thomas finds out if it’s worth spending the extra.…

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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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