Sigma's 17-40mm F1.8 DC | Art is a super-fast standard zoom for APS-C mirrorless cameras. It's a slightly wider, slightly longer, appreciably lighter update on the company's breakthrough 18-35mm F1.8 ...

Much of the premise of the new app is based on computational photography, which can refer to multiple processes. But, in the ...

Sigma has announced the 17-40mm F1.8 DC Art, a super-fast standard zoom for APS-C. It will be available in L, E, X and RF ...