If you've been unsatisfied with Sigma's development in Optical Stabilizer lenses, here's some good news for you. They've drop three new zoom lens at PMA 2008, with OS ability of 4 stops of light ...
Sigma lenses have evolved over the years. Over the past decade or so, the company has rebranded itself and continued to ...
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Sigma 200mm f/2 DG OS Sports review

The Sigma 200mm f/2 DG OS Sports is a bit of a chunker but it’s a terrific telephoto prime with an exhilarating turn of speed ...
The Sigma 24-105mm F4 DG OS HSM ($899) is a standard zoom lens for full-frame cameras. Sigma sells it in Canon, Nikon, Sigma, and Sony mounts, and the lens is eligible for the company's mount ...
Sigma has announced what it says is the world’s first 200mm F2 telephoto prime lens designed for full-frame mirrorless cameras. The Sigma 200mm F2 DG OS | Sports is a large-aperture, telephoto prime ...
The Sigma 100-400mm F5-6.3 DG HSM OS Contemporary telephoto zoom lens boasts and optical image stabiliser, fast AF and a dust- and splash-proof construction. Highly versatile, the 100-400mm F5-6.3 ...
The Sigma 150-600mm f/5-6.3 DG OS HSM Contemporary ($1,089) is a big, heavy lens. But that's no surprise when you consider its maximum reach, full-frame sensor coverage, and sturdy build. A strong ...
Materials play a part in the carry-friendly design, too. The barrel uses a mix of light-but-tough thermally stable composite plastic and magnesium. In testing, I mostly used the lens with the compact ...
At 150mm, central sharpness is very good at f/5, excellent at f/5.6, very good from f/8 to f/16 and still good at f/22. The edges are very good from f/5 right through to f/16, until diffraction takes ...
A new firmware update for the Sigma 24-70mm F2.8 DG OS HSM Art lens improves the stability of the image in the viewfinder, making it easier to confirm composition. This firmware update improves the ...
The Sigma 24-105mm F4 DG OS HSM ($899) is a standard zoom lens for full-frame cameras. Sigma sells it in Canon, Nikon, Sigma, and Sony mounts, and the lens is eligible for the company's mount ...