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 ...

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 have announced 4 new lenses, 2 new teleconverters and a new USB dock. Firstly, Sigma have released 3 new prime DC DN lenses for L-mount, the lens mount used by Leica, Panasonic and Sigma.

The Canon and Nikon versions of the Sigma EF-630 flashgun are scheduled to start shipping later this month. First announced in 2016 (and already available for Sigma cameras), the EF-630 is a ...

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 ...