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 ...

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 ...

Sony and Sigma might have some tough competition on their hands with Viltrox's affordable pro lens that doesn't scrimp on the ...

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 ...