Lens names can be complicated things. Companies often try to fit every detail of the lens into the name, resulting in a string of abbreviations. While Sigma isn't the worst offender, it tends to stack ...

Evaluating a unique, niche lens such as the Sigma 15mm f/1.4 DG DN Art Diagonal Fisheye can be a tricky task, with aspects that might be considered flaws viewed instead as an intentional and desirable ...

The lens is big, and despite being slightly lighter than the DSLR version, is still heavy, weighing in at a hefty 2485g for this Sony FE version and 2495g for the L mount version. This is almost the ...

Traditionally, ultra-bright aperture lenses have entailed significant caveats inherent in the extreme nature of their design, but, at least on paper, that may not be the case for the Sigma 50mm f1.2 ...

At this year's PMA show Sigma Corporation, known primarily for camera lenses, re-introduced its top-end SD15 DSLR as well as five new lenses and two new compact digital cameras. The SD15 features a ...