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, ...

So I purchased one of the new Sigma 18-300mm F3.5-6.3 DC MACRO OS HSM Contemporary lenses for my Canon T1i and the USB dock to make adjustments/updates. There is some definite back focusing at middle ...

Sigma is to provide a free firmware update for Nikon Df owners using Sigma lenses. "We have found that the current firmware of our Nikon fitting interchangeable lenses may not work properly with the ...

The Sigma USB Dock ($59 direct) is an inexpensive accessory that allows you to take full control over the performance of your Sigma lenses. It's compatible with recent glass that's part of the company ...

Software : Focus Adjustment If you've got a focus issue with your lens and body combination you can adjust the lens to correct it. Some higher-end bodies support in-camera focus adjustments, but they ...