Nikon only announced the 20mm f/1.8G FX lens today, but we also have lens announcements from Sigma and Tamron to deal with. So it feels a bit like Christmas for Nikon DSLR users.
The new Nikkor 20mm f/1.8G ED lens is a bit of a surprise. First, the US$800 price is remarkably reasonable for a nano-coated, fast-aperture lens. Moreover, despite the 77mm filter rings, the lens is fairly small and compact. The MTF numbers look a bit disappointing, though (remember Nikon’s published MTF curves are theoretical, not actual). Still, Nikon’s f/1.8 lens set is rounding out nicely, now consisting of 20mm, 28mm, 35mm, 50mm, and 85mm modern lenses.
Sigma, meanwhile, announced two lenses, the 18-300mm f/3.5-6.3 for DX cameras, and the more interesting 150-600mm, which comes in two variations.
The new Sigma 18-300mm looks basically like a redesign of the old 18-250mm, with the news being that it grew a bit in size and weight, but dropped in price.
The 150-600mm comes in both Sport and Contemporary designations, with the difference being that the Sport model adds more corrective elements, weatherproofing, and features all metal construction, whereas the Contemporary model checks in at a lower price with slightly smaller length and diameter. The Sport is US$1995 and ships in October.
Meanwhile, Tamron added a 15-30mm f/2.8 FX lens with vibration reduction to the fray, though again with no indications of price or availability.
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