![]() The Sigma 105mm F2.8 DG DN MACRO Art has a weather-sealed dust and moisture resistant design which makes it well-suited to life in both the field and the studio. The optical elements are made of high-grade glass. It also incorporates a brass bayonet mount that's supposedly more durable. The lens has a plastic shell with a mixture of metallic parts and a compound material, TSC (Thermally Stable Composite) used inside. It's overall size complements a small camera body like the Sony A7 III body that we tested it with, as shown in the product photos.īuild quality is excellent. Weighing in at 715g and measuring 13.4cm in length, the Sigma 105mm F2.8 DG DN MACRO Art is just over 100g heavier and 3mm longer than its main rival, the Sony FE 90mm f/2.8 Macro G OSS. The Sigma 105mm F2.8 DG DN MACRO Art lens is available now priced at £699 / $799 in the UK and the US, respectively. The maximum apertures become F4 and F5.6 respectively. On the L-Mount version of the 105mm F2.8 DG DN MACRO Art lens, Sigma’s TC-1411 (1.4x) and TC-2011 (2x) teleconverters can be used to produce an even larger magnification ratio of 1.4:1 and 2:1 respectively, with the working distance remaining at 14.1cm when using both. It's fully compatible with Sony’s Continuous AF (AF-C) and high-speed autofocus modes, plus the camera's in-body image stabilisation system, if it's available. There's also a customizable AFL button, as per many of Sigma's other lenses. Other new features include a traditional aperture ring that's complemented by both a Lock button and a De-click button. It has a near-circular 9 blade diaphragm which creates an attractive blur to the out-of-focus areas of the image, while an internal focusing mechanism means the lens barrel doesn’t move, and it's also dust and moisture resistant. If offers a minimum focusing distance of 29.5cm, giving a working distance of 14.1cm, with a life-size maximum magnification ratio of 1:1. The Sigma 105mm F2.8 DG DN MACRO Art features 12 elements in 7 groups including one Special Low Dispersion (SLD) element and a Super Multi-Layer Coating to reduce flare and ghosting. It can also be used with APS-C sensor models where it provides a 157.5mm equivalent focal length. ![]() The Sigma 105mm F2.8 DG DN MACRO Art is a mid-telephoto macro prime lens for Sony E-Mount and L-Mount (Sigma, Leica and Panasonic) full-frame mirrorless cameras.
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