The Sigma 300-600mm f/4 DG OS Sports was referred to by the company's CEO, Kazuto Yamaski, as a "dream lens" – and it's easy to see why. When it comes to telephoto reach, you often need a lens that ...

The Sigma 300-600mm F4 DG OS Sports ($5,999.99) is an absolutely massive lens. Its optical formula, which delivers the previously unrealized combination of a super telephoto focal range, a bright F4 ...

Google plans to launch its Chrome Operating System for netbooks later this year. The OS is built around a web browser, and the idea is that you’ll be able to boot your netbook and get online quickly ...