The 70-200mm f/2.8 is the go-to lens for photographers covering events, gathering news, and capturing portraits. Name brand options from Canon and Nikon cost more than $2,000, and there is a demand ...

The SIGMA 70-200mm F2.8 DG DN OS Sports features a unique floating focus system. Two focusing groups, each using an HLA motor, move in opposite directions when focusing. This reduces internal ...

Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 14 years, which has given me a front row seat for the changeover from DSLRs to mirrorless cameras, ...

Ahead of our full review, here are 44 full-size sample images taken with the Sigma 150-600mm F5-6.3 DG OS HSM Contemporary lens mounted on a Canon EOS 5D Mark III body. The Sigma 150-600mm F5-6.3 DG ...

Sigma 18-200mm Build and Handling This lens is surprisingly solid in its construction and is heavier again by half than its non-OS sibling. The difference is not just from the OS system though, with a ...

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 ...

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 ...

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 100-400mm F5-6.3 DG DN OS Contemporary ($949) is a built-for-mirrorless telezoom with full-frame coverage, available for E-mount and L-mount camera systems. It offers a bit more reach than ...

You can't expect the same performance from a superzoom lens like the Sigma 18-300mm F3.5-6.3 DC Macro OS HSM Contemporary ($579) as you can from a prime lens or a shorter high-quality zoom like ...