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 ...

For years, the 135mm focal length has been underserved, which is a downer as it's an excellent choice for portraiture and other shallow depth of field images. Thankfully, the winds of change are ...

Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 14 years, which has given me a front row seat for the changeover from DSLRs to mirrorless cameras, ...

A versatile, professional-grade lens with superior light-gathering capability, though there's a compromise to be made in terms of weight. Chromatic aberration and coma are significantly corrected. Why ...