Sigma’s 20-60mm F2.8-4 is a pocket-sized zoom with a proper 20mm wide end

Announced alongside the headline-grabbing 85mm F1.2, Sigma’s 20-60mm F2.8-4 DG Contemporary is the quieter and, for a lot of photographers, the more genuinely useful of the pair. It is a compact standard zoom that starts at a proper ultra-wide 20mm — and it is tiny. Details are on Sigma’s site. The 20mm wide end is the point Most standard zooms start at 24mm or 28mm, which is fine until you are indoors, in a tight landscape spot, or trying to fit a building in, at which point those few millimetres matter enormously. Starting at 20mm gives you a genuinely wide field of view in the same lens you use for everything else, which for travel and everyday shooting removes the need to carry — or switch to — a separate ultra-wide. The trade-off is at the long end: it stops at 60mm rather than the more common 70mm, and the...