We flew to Aizu, Japanm to find out how some of the world’s best and most popular lenses are made at Sigma's one and only factory ...

C is from an extensive range of compact and lightweight ‘I-series’ prime lenses in Sigma’s Contemporary line-up ...

Rumors suggest that Sigma is working on a world-first 200mm f/1.8 telephoto prime for Sony and Leica full-frame mirrorless ...

Sigma CEO Kazuto Yamaki talks about the state of the camera industry and shares an update on the company's full-frame Foveon ...

Sigma, a 63-year-old company based in Kanagawa, Japan, just outside Tokyo, is known principally for its line of camera lenses, prized by professional photographers and beloved by devotees.

They’ve often got a whole bunch of electronics built in as well. [Dan K] had just such a lens from Sigma, but wanted to get it working fully with a camera using the Canon EF lens fitting.

Ben Keough/NYT Wirecutter Sigma’s i-series lenses are excellent across the board. The 50mm f/2 lens used here captured the fine detail of the building’s stucco faithfully. Ben Keough/NYT ...

This lens is one of two virtually identical offerings from Sigma in the extremely popular 70-300 category in which almost all manufacturers have at least one contender. Although still in the ...

Here, we take a look at Sigma’s answer to the problem with the UK’s exclusive first look at the all new 10-20mm f/4-5.6mm zoom, a true ultra wide zoom for dSLRs. This lens is designated to ...