Sigma lenses5/16/2023 ![]() ![]() It weighs 1.4 pounds, which is heavy for a wide-angle prime lens. The rest of the lens is narrower and especially narrow near the lens mount. It’s worth noting that the max diameter is localized to the very front of the lens so that it can accept 82mm filters without a noticeable vignette. It is a relatively large lens at 4.4 inches long with a maximum diameter of 3.5 inches. In terms of materials, it’s a high-quality lens. The lens is built using Sigma’s Thermally Stable Composite (TSC), a type of polycarbonate that behaves thermally like aluminum. In the case of the shinier surfaces, they do a good job repelling fingerprints, which is nice. The Sigma 20mm F1.4 DG DN Art, like many of Sigma’s other Art series lenses, is an attractive lens with its varying black materials, including some flat surfaces and some with a bit more gloss. Read my hands-on review of the Sigma 20mm F1.4 DG DN Art lens below. One of the most surprising things about this unique lens is that it retails for just $899. There are 20mm F1.8 lenses but no 20mm F1.4 lenses. Nobody else makes a lens like this, including Canon, Nikon and Sony. Except for the Sigma 20mm F1.4 DG HSM Art for DSLR cameras, the Sigma 20mm F1.4 DG DN Art for mirrorless is the only 20mm F1.4 lens available for full-frame cameras. The 20mm prime is particularly noteworthy since it’s a somewhat unusual lens. Sigma last year launched two wide-angle prime lenses for Sony E-mount and Leica/Panasonic/Sigma L-Mount full-frame mirrorless cameras, the Sigma 20mm F1.4 DG DN Art and the Sigma 24mm F1.4 DG DN Art. ![]()
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