Sigma's bokeh master is a hefty and pricey bit of glass, but it can shoot some of the dreamiest portraits you'll see ...

Sigma Venturi, a California based manufacturing optimization and software development company, launches their second product this month, a best in its class OEE calculator, for iPhone and iPad. Sigma ...

The transaction adds video and sensor integration expertise, while also marking Sigma’s third CJADC2-related acquisition in the past two years. Sigma Defense Systems has moved to strengthen its hand ...

In February, Sigma announced the Sigma BF. It's a full-frame, interchangeable lens camera with just a shutter release, a dial and three buttons. That minimalism speaks to me, and I felt the BF was ...

By Fabio Teixeira RIO DE JANEIRO, Jan 15 (Reuters) - Brazil's Labor Ministry has shut down three waste piles at Sigma Lithium's flagship mine in the state of Minas Gerais, citing a "grave and imminent ...